diff --git a/.flake8 b/.flake8
index d1c63f4..3dbe748 100644
--- a/.flake8
+++ b/.flake8
@@ -1,3 +1,4 @@
 [flake8]
 max-line-length = 120
-ignore = D,E800,F401,F403,F405,I,N818,Q000,RST210,RST213,RST304,WPS,W503
+ignore = C812,C813,C815,C816,D,E800,F401,F403,F405,I,N818,Q000,RST210,RST213,RST304,WPS,W503
+classmethod-decorators=classmethod,validator
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 81c0426..121cfe5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,6 +33,30 @@ jobs:
       - name: Check code formatting with black
         run: black -l 120 . --diff --check
 
+  mypy:
+    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.3.4
+        with:
+          submodules: recursive
+
+      - name: Set up Python ${{ env.PYTHON_VERSION }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Install mypy
+        run: |
+          pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install mypy types-python-dateutil types-requests
+
+      - name: Check typing with mypy
+        run: mypy PyCrypCli
+
   linter:
     runs-on: ubuntu-latest
 
@@ -219,7 +243,7 @@ jobs:
 
   pypi:
     runs-on: ubuntu-latest
-    needs: [ codestyle, linter, build, docker_build ]
+    needs: [ codestyle, mypy, linter, build, docker_build ]
     if: ${{ startsWith(github.ref, 'refs/tags/v') }}
     environment: pypi
 
@@ -240,7 +264,7 @@ jobs:
 
   docker_push_ghcr:
     if: ${{ github.event_name != 'pull_request' && github.actor != 'dependabot[bot]' }}
-    needs: [ codestyle, linter, build, docker_build ]
+    needs: [ codestyle, mypy, linter, build, docker_build ]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/Dockerfile b/Dockerfile
index 6acb7a8..9c968f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,6 @@ COPY requirements.txt /app/
 
 RUN pip install -r requirements.txt
 
-COPY pycrypcli.py /app/
 COPY PyCrypCli /app/PyCrypCli
 
-CMD ["python", "pycrypcli.py"]
+CMD ["python", "-m", "PyCrypCli"]
diff --git a/PyCrypCli/__main__.py b/PyCrypCli/__main__.py
new file mode 100755
index 0000000..c318317
--- /dev/null
+++ b/PyCrypCli/__main__.py
@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+
+from .pycrypcli import main
+
+main()
diff --git a/PyCrypCli/client.py b/PyCrypCli/client.py
index 0c0e6ec..f3cc6fc 100644
--- a/PyCrypCli/client.py
+++ b/PyCrypCli/client.py
@@ -2,25 +2,31 @@
 import re
 import ssl
 import time
-from typing import List, Optional, Type
+from os import getenv
+from typing import Type, Any, cast
 from uuid import uuid4
 
 import sentry_sdk
+from pydantic import ValidationError
 from websocket import WebSocket, create_connection
 
-from PyCrypCli.exceptions import (
-    UnknownMicroserviceException,
-    InvalidServerResponseException,
+from .exceptions import (
+    UnknownMicroserviceError,
+    InvalidServerResponseError,
     MicroserviceException,
-    WeakPasswordException,
-    UsernameAlreadyExistsException,
-    InvalidLoginException,
-    InvalidSessionTokenException,
-    PermissionsDeniedException,
-    LoggedInException,
-    LoggedOutException,
+    WeakPasswordError,
+    UsernameAlreadyExistsError,
+    InvalidLoginError,
+    InvalidSessionTokenError,
+    PermissionDeniedError,
+    LoggedInError,
+    LoggedOutError,
+    ClientNotReadyError,
 )
-from PyCrypCli.timer import Timer
+from .models import HardwareConfig, StatusResponse, InfoResponse, TokenResponse
+from .timer import Timer
+
+LOG_WS = bool(getenv("LOG_WS"))
 
 
 def uuid() -> str:
@@ -30,184 +36,220 @@ def uuid() -> str:
 class Client:
     def __init__(self, server: str):
         self.server: str = server
-        self.websocket: Optional[WebSocket] = None
-        self.timer: Optional[Timer] = None
+        self.websocket: WebSocket | None = None
+        self.timer: Timer | None = None
         self.waiting_for_response: bool = False
-        self.notifications: List[dict] = []
+        self.notifications: list[dict[str, Any]] = []
         self.logged_in: bool = False
 
-    def init(self):
+    def init(self) -> None:
         try:
-            self.websocket: WebSocket = create_connection(self.server)
+            self.websocket = create_connection(self.server)
         except ssl.SSLCertVerificationError:
-            self.websocket: WebSocket = create_connection(self.server, sslopt={"cert_reqs": ssl.CERT_NONE})
-        self.timer: Timer = Timer(10, self.info)
+            self.websocket = create_connection(self.server, sslopt={"cert_reqs": ssl.CERT_NONE})
+        self.timer = Timer(10, self.info)
 
-    def close(self):
-        if self.timer is not None:
+    def close(self) -> None:
+        if self.timer:
             self.timer.stop()
             self.timer = None
 
-        self.websocket.close()
-        self.websocket = None
-        self.logged_in: bool = False
+        if self.websocket:
+            self.websocket.close()
+            self.websocket = None
+
+        self.logged_in = False
+
+    def _send(self, obj: dict[str, Any]) -> None:
+        if not self.websocket:
+            raise ClientNotReadyError
+
+        data = json.dumps(obj)
+        if LOG_WS:
+            print("send:", data)
+        sentry_sdk.add_breadcrumb(category="ws", message=f"send: {data}", level="debug")
+        self.websocket.send(data)
+
+    def _recv(self) -> dict[str, Any]:
+        if not self.websocket:
+            raise ClientNotReadyError
 
-    def request(self, data: dict, no_response: bool = False) -> dict:
+        data = self.websocket.recv()
+        if LOG_WS:
+            print("recv:", data)
+        sentry_sdk.add_breadcrumb(category="ws", message=f"recv: {data}", level="debug")
+        return cast(dict[str, Any], json.loads(data))
+
+    def request(self, data: dict[str, Any], no_response: bool = False) -> dict[str, Any]:
         if self.websocket is None:
             raise ConnectionError
 
         while self.waiting_for_response:
             time.sleep(0.01)
-        self.waiting_for_response: bool = True
-        data = json.dumps(data)
-        sentry_sdk.add_breadcrumb(category="ws", message=f"send: {data}", level="debug")
-        self.websocket.send(data)
+        self.waiting_for_response = True
+
+        self._send(data)
+
         if no_response:
-            self.waiting_for_response: bool = False
+            self.waiting_for_response = False
             return {}
+
         while True:
-            data = self.websocket.recv()
-            sentry_sdk.add_breadcrumb(category="ws", message=f"recv: {data}", level="debug")
-            response: dict = json.loads(data)
+            response = self._recv()
             if "notify-id" in response:
                 self.notifications.append(response)
             else:
                 break
-        self.waiting_for_response: bool = False
+
+        self.waiting_for_response = False
         return response
 
-    def ms(self, ms: str, endpoint: List[str], **data) -> dict:
+    def ms(self, ms: str, endpoint: list[str], *, retry: int = 0, **data: Any) -> dict[str, Any]:
         if not self.logged_in:
-            raise LoggedOutException
+            raise LoggedOutError
 
-        response: dict = self.request({"ms": ms, "endpoint": endpoint, "data": data, "tag": uuid()})
+        response: dict[str, Any] = self.request({"ms": ms, "endpoint": endpoint, "data": data, "tag": uuid()})
 
         if "error" in response:
             error: str = response["error"]
             if error == "unknown microservice":
-                raise UnknownMicroserviceException(ms)
-            raise InvalidServerResponseException(response)
+                raise UnknownMicroserviceError(ms)
+            raise InvalidServerResponseError(response)
 
         if "data" not in response:
-            raise InvalidServerResponseException(response)
-
-        data: dict = response["data"]
-        if "error" in data:
-            error: str = data["error"]
-            for exception in MicroserviceException.__subclasses__():  # type: Type[MicroserviceException]
-                match = re.fullmatch(exception.error, error)
-                if match:
+            raise InvalidServerResponseError(response)
+
+        response_data: dict[str, Any] = response["data"]
+        if "error" in response_data:
+            error = response_data["error"]
+            exception: Type[MicroserviceException]
+            for exception in MicroserviceException.__subclasses__():
+                if exception.error and (match := re.fullmatch(exception.error, error)):
                     raise exception(error, list(match.groups()))
-            raise InvalidServerResponseException(response)
-        return data
+            raise InvalidServerResponseError(response)
+
+        if not response_data and retry:
+            return self.ms(ms, endpoint, retry=retry - 1, **data)
 
-    def register(self, username: str, password: str) -> str:
+        return response_data
+
+    def register(self, username: str, password: str) -> TokenResponse:
         if self.logged_in:
-            raise LoggedInException
+            raise LoggedInError
 
         self.init()
-        response: dict = self.request({"action": "register", "name": username, "password": password})
+        response: dict[str, Any] = self.request({"action": "register", "name": username, "password": password})
         if "error" in response:
             self.close()
             error: str = response["error"]
             if error == "invalid password":
-                raise WeakPasswordException()
+                raise WeakPasswordError()
             if error == "username already exists":
-                raise UsernameAlreadyExistsException()
-            raise InvalidServerResponseException(response)
-        if "token" not in response:
+                raise UsernameAlreadyExistsError()
+            raise InvalidServerResponseError(response)
+
+        try:
+            token_response = TokenResponse.parse(self, response)
+        except ValidationError:
             self.close()
-            raise InvalidServerResponseException(response)
-        self.logged_in: bool = True
-        self.timer.start()
-        return response["token"]
+            raise
+
+        self.logged_in = True
+        cast(Timer, self.timer).start()
+        return token_response
 
-    def login(self, username: str, password: str) -> str:
+    def login(self, username: str, password: str) -> TokenResponse:
         if self.logged_in:
-            raise LoggedInException
+            raise LoggedInError
 
         self.init()
-        response: dict = self.request({"action": "login", "name": username, "password": password})
+        response: dict[str, Any] = self.request({"action": "login", "name": username, "password": password})
         if "error" in response:
             self.close()
             error: str = response["error"]
             if error == "permissions denied":
-                raise InvalidLoginException()
-            raise InvalidServerResponseException(response)
-        if "token" not in response:
+                raise InvalidLoginError()
+            raise InvalidServerResponseError(response)
+
+        try:
+            token_response = TokenResponse.parse(self, response)
+        except ValidationError:
             self.close()
-            raise InvalidServerResponseException(response)
-        self.logged_in: bool = True
-        self.timer.start()
-        return response["token"]
+            raise
 
-    def session(self, token: str):
+        self.logged_in = True
+        cast(Timer, self.timer).start()
+        return token_response
+
+    def session(self, token: str) -> TokenResponse:
         if self.logged_in:
-            raise LoggedInException
+            raise LoggedInError
 
         self.init()
-        response: dict = self.request({"action": "session", "token": token})
+        response: dict[str, Any] = self.request({"action": "session", "token": token})
         if "error" in response:
             self.close()
             error: str = response["error"]
             if error == "invalid token":
-                raise InvalidSessionTokenException()
-            raise InvalidServerResponseException(response)
-        if "token" not in response:
+                raise InvalidSessionTokenError()
+            raise InvalidServerResponseError(response)
+
+        try:
+            token_response = TokenResponse.parse(self, response)
+        except ValidationError:
             self.close()
-            raise InvalidServerResponseException(response)
-        self.logged_in: bool = True
-        self.timer.start()
+            raise
+
+        self.logged_in = True
+        cast(Timer, self.timer).start()
+        return token_response
 
-    def change_password(self, old_password: str, new_password: str) -> str:
+    def change_password(self, old_password: str, new_password: str) -> TokenResponse:
         if not self.logged_in:
-            raise LoggedOutException
+            raise LoggedOutError
 
-        response: dict = self.request(
-            {"action": "password", "password": old_password, "new": new_password},
-        )
+        response: dict[str, Any] = self.request({"action": "password", "password": old_password, "new": new_password})
         if "error" in response:
             error: str = response["error"]
             if error == "permissions denied":
-                raise PermissionsDeniedException()
-            raise InvalidServerResponseException(response)
-        if "token" not in response:
-            raise InvalidServerResponseException(response)
-        return response["token"]
+                raise PermissionDeniedError()
+            raise InvalidServerResponseError(response)
 
-    def logout(self):
+        return TokenResponse.parse(self, response)
+
+    def logout(self) -> None:
         if not self.logged_in:
-            raise LoggedOutException
+            raise LoggedOutError
 
         self.request({"action": "logout"})
         self.close()
 
-    def status(self) -> dict:
+    def status(self) -> StatusResponse:
         if self.logged_in:
-            raise LoggedInException
+            raise LoggedInError
 
         self.init()
-        response: dict = self.request({"action": "status"})
+        response: dict[str, Any] = self.request({"action": "status"})
         self.close()
         if "error" in response:
-            raise InvalidServerResponseException(response)
-        return response
+            raise InvalidServerResponseError(response)
+        return StatusResponse.parse(self, response)
 
-    def info(self) -> dict:
+    def info(self) -> InfoResponse:
         if not self.logged_in:
-            raise LoggedOutException
+            raise LoggedOutError
 
-        response: dict = self.request({"action": "info"})
+        response: dict[str, Any] = self.request({"action": "info"})
         if "error" in response:
-            raise InvalidServerResponseException(response)
-        return response
+            raise InvalidServerResponseError(response)
+        return InfoResponse.parse(self, response)
 
-    def delete_user(self):
+    def delete_user(self) -> None:
         if not self.logged_in:
-            raise LoggedOutException
+            raise LoggedOutError
 
         self.request({"action": "delete"}, no_response=True)
         self.close()
 
-    def get_hardware_config(self) -> dict:
-        return self.ms("device", ["hardware", "list"])
+    def get_hardware_config(self) -> HardwareConfig:
+        return HardwareConfig.parse(self, self.ms("device", ["hardware", "list"]))
diff --git a/PyCrypCli/commands/__init__.py b/PyCrypCli/commands/__init__.py
index 6b05ca9..25a5bea 100644
--- a/PyCrypCli/commands/__init__.py
+++ b/PyCrypCli/commands/__init__.py
@@ -1,3 +1,4 @@
-from PyCrypCli.commands.command import command, make_commands, commands, Command, CommandError
+from .command import command, make_commands, commands, Command, CommandError
+
 
 __all__ = ["command", "make_commands", "commands", "Command", "CommandError"]
diff --git a/PyCrypCli/commands/account.py b/PyCrypCli/commands/account.py
index 8af531f..68cd547 100644
--- a/PyCrypCli/commands/account.py
+++ b/PyCrypCli/commands/account.py
@@ -1,18 +1,14 @@
 import getpass
 import sys
+from typing import Any
 
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.context import LoginContext, MainContext, DeviceContext
-from PyCrypCli.exceptions import (
-    WeakPasswordException,
-    UsernameAlreadyExistsException,
-    InvalidLoginException,
-    PermissionsDeniedException,
-)
+from .command import command, CommandError
+from ..context import LoginContext, MainContext, DeviceContext
+from ..exceptions import WeakPasswordError, UsernameAlreadyExistsError, InvalidLoginError, PermissionDeniedError
 
 
 @command("register", [LoginContext], aliases=["signup"])
-def register(context: LoginContext, *_):
+def register(context: LoginContext, _: Any) -> None:
     """
     Create a new account
     """
@@ -27,16 +23,16 @@ def register(context: LoginContext, *_):
     if password != confirm_password:
         raise CommandError("Passwords don't match.")
     try:
-        session_token: str = context.client.register(username, password)
+        session_token: str = context.client.register(username, password).token
         context.open(MainContext(context.root_context, session_token))
-    except WeakPasswordException:
+    except WeakPasswordError:
         raise CommandError("Password is too weak.")
-    except UsernameAlreadyExistsException:
+    except UsernameAlreadyExistsError:
         raise CommandError("Username already exists.")
 
 
 @command("login", [LoginContext])
-def login(context: LoginContext, *_):
+def login(context: LoginContext, _: Any) -> None:
     """
     Login with an existing account
     """
@@ -48,14 +44,14 @@ def login(context: LoginContext, *_):
         raise CommandError("\nAborted.")
 
     try:
-        session_token: str = context.client.login(username, password)
+        session_token: str = context.client.login(username, password).token
         context.open(MainContext(context.root_context, session_token))
-    except InvalidLoginException:
+    except InvalidLoginError:
         raise CommandError("Invalid Login Credentials.")
 
 
 @command("exit", [LoginContext], aliases=["quit"])
-def handle_login_exit(*_):
+def handle_login_exit(*_: Any) -> None:
     """
     Exit PyCrypCli
     """
@@ -64,7 +60,7 @@ def handle_login_exit(*_):
 
 
 @command("exit", [MainContext], aliases=["quit"])
-def handle_main_exit(context: MainContext, *_):
+def handle_main_exit(context: MainContext, _: Any) -> None:
     """
     Exit PyCrypCli (session will be saved)
     """
@@ -74,7 +70,7 @@ def handle_main_exit(context: MainContext, *_):
 
 
 @command("exit", [DeviceContext], aliases=["quit", "logout"])
-def handle_device_exit(context: DeviceContext, *_):
+def handle_device_exit(context: DeviceContext, _: Any) -> None:
     """
     Disconnect from this device
     """
@@ -83,7 +79,7 @@ def handle_device_exit(context: DeviceContext, *_):
 
 
 @command("logout", [MainContext])
-def handle_main_logout(context: MainContext, *_):
+def handle_main_logout(context: MainContext, _: Any) -> None:
     """
     Delete the current session and exit PyCrypCli
     """
@@ -92,7 +88,7 @@ def handle_main_logout(context: MainContext, *_):
 
 
 @command("passwd", [MainContext])
-def handle_passwd(context: MainContext, *_):
+def handle_passwd(context: MainContext, _: Any) -> None:
     """
     Change your password
     """
@@ -105,15 +101,15 @@ def handle_passwd(context: MainContext, *_):
         raise CommandError("Passwords don't match.")
 
     try:
-        context.session_token = context.client.change_password(old_password, new_password)
+        context.session_token = context.client.change_password(old_password, new_password).token
         context.save_session()
         print("Password updated successfully.")
-    except PermissionsDeniedException:
+    except PermissionDeniedError:
         raise CommandError("Incorrect password or the new password does not meet the requirements.")
 
 
 @command("_delete_user", [MainContext])
-def handle_delete_user(context: MainContext, *_):
+def handle_delete_user(context: MainContext, _: Any) -> None:
     """
     Delete this account
     """
diff --git a/PyCrypCli/commands/command.py b/PyCrypCli/commands/command.py
index e6c2edc..43bb4ba 100644
--- a/PyCrypCli/commands/command.py
+++ b/PyCrypCli/commands/command.py
@@ -1,8 +1,10 @@
+from __future__ import annotations
+
 from importlib import import_module
-from typing import Callable, List, Dict, Type, Optional, Tuple
+from typing import Callable, Type
 
-from PyCrypCli.context import Context, COMMAND_FUNCTION, COMPLETER_FUNCTION
-from PyCrypCli.exceptions import CommandRegistrationException, NoDocStringException
+from ..context import Context, COMMAND_FUNCTION, COMPLETER_FUNCTION, ContextType
+from ..exceptions import CommandRegistrationError, NoDocStringError
 
 
 class CommandError(Exception):
@@ -15,40 +17,40 @@ class Command:
     def __init__(
         self,
         name: str,
-        func: COMMAND_FUNCTION,
+        func: COMMAND_FUNCTION[ContextType],
         description: str,
-        contexts: List[Type[Context]],
-        aliases: List[str],
+        contexts: list[Type[Context]],
+        aliases: list[str],
     ):
         self.name: str = name
-        self.func: COMMAND_FUNCTION = func
+        self.func: COMMAND_FUNCTION[ContextType] = func
         self.description: str = description
-        self.contexts: List[Type[Context]] = contexts
-        self.aliases: List[str] = aliases
-        self.completer_func: Optional[COMPLETER_FUNCTION] = None
-        self.subcommands: List[Command] = []
-        self.prepared_subcommands: Dict[Type[Context], Dict[str, Command]] = {}
+        self.contexts: list[Type[Context]] = contexts
+        self.aliases: list[str] = aliases
+        self.completer_func: COMPLETER_FUNCTION[ContextType] | None = None
+        self.subcommands: list[Command] = []
+        self.prepared_subcommands: dict[Type[Context], dict[str, Command]] = {}
 
-    def __call__(self, *args, **kwargs):
-        return self.func(*args, **kwargs)
+    def __call__(self, context: ContextType, args: list[str]) -> None:
+        self.func(context, args)
 
-    def parse_command(self, context: Context, args: List[str]) -> Tuple["Command", List[str]]:
+    def parse_command(self, context: Context, args: list[str]) -> tuple[Command, list[str]]:
         prepared_subcommands = self.prepared_subcommands.get(type(context), {})
         if args:
-            cmd: Optional[Command] = prepared_subcommands.get(args[0])
+            cmd: Command | None = prepared_subcommands.get(args[0])
             if cmd is not None:
                 return cmd.parse_command(context, args[1:])
 
         return self, args
 
-    def handle(self, context: Context, args: List[str]):
+    def handle(self, context: ContextType, args: list[str]) -> None:
         cmd, args = self.parse_command(context, args)
         try:
             cmd.func(context, args)
         except CommandError as error:
             print(error.msg)
 
-    def handle_completer(self, context: Context, args: List[str]) -> List[str]:
+    def handle_completer(self, context: ContextType, args: list[str]) -> list[str]:
         cmd, args = self.parse_command(context, args)
 
         out = list(cmd.prepared_subcommands.get(type(context), {}))
@@ -57,55 +59,46 @@ def handle_completer(self, context: Context, args: List[str]) -> List[str]:
 
         return out
 
-    def completer(self):
-        def decorator(func: COMPLETER_FUNCTION) -> COMPLETER_FUNCTION:
+    def completer(self) -> Callable[[COMPLETER_FUNCTION[ContextType]], COMPLETER_FUNCTION[ContextType]]:
+        def decorator(func: COMPLETER_FUNCTION[ContextType]) -> COMPLETER_FUNCTION[ContextType]:
             self.completer_func = func
             return func
 
         return decorator
 
     def subcommand(
-        self,
-        name: str,
-        *,
-        contexts: List[Type[Context]] = None,
-        aliases: List[str] = None,
-    ) -> Callable[[COMMAND_FUNCTION], "Command"]:
-        if contexts is None:
-            contexts = self.contexts
-
-        def decorator(func: COMMAND_FUNCTION) -> Command:
+        self, name: str, *, contexts: list[Type[Context]] | None = None, aliases: list[str] | None = None
+    ) -> Callable[[COMMAND_FUNCTION[ContextType]], "Command"]:
+        def decorator(func: COMMAND_FUNCTION[ContextType]) -> Command:
             if func.__doc__ is None:
-                raise NoDocStringException(name, subcommand=True)
+                raise NoDocStringError(name, subcommand=True)
             desc: str = func.__doc__
             desc = "\n".join(map(str.strip, desc.splitlines())).strip()
-            cmd = Command(name, func, desc, contexts, aliases or [])
+            cmd = Command(name, func, desc, contexts or self.contexts, aliases or [])
             self.subcommands.append(cmd)
             return cmd
 
         return decorator
 
-    def make_subcommands(self):
+    def make_subcommands(self) -> None:
         for cmd in self.subcommands:
             for context in cmd.contexts:
                 for name in [cmd.name] + cmd.aliases:
                     if name in self.prepared_subcommands.setdefault(context, {}):
-                        raise CommandRegistrationException(name, subcommand=True)
+                        raise CommandRegistrationError(name, subcommand=True)
                     self.prepared_subcommands[context][name] = cmd
             cmd.make_subcommands()
 
 
-commands: List[Command] = []
+commands: list[Command] = []
 
 
 def command(
-    name: str,
-    contexts: List[Type[Context]],
-    aliases: List[str] = None,
-) -> Callable[[COMMAND_FUNCTION], Command]:
-    def decorator(func: COMMAND_FUNCTION) -> Command:
+    name: str, contexts: list[Type[Context]], aliases: list[str] | None = None
+) -> Callable[[COMMAND_FUNCTION[ContextType]], Command]:
+    def decorator(func: COMMAND_FUNCTION[ContextType]) -> Command:
         if func.__doc__ is None:
-            raise NoDocStringException(name)
+            raise NoDocStringError(name)
         desc: str = func.__doc__
         desc = "\n".join(map(str.strip, desc.splitlines())).strip()
         cmd = Command(name, func, desc, contexts, aliases or [])
@@ -115,7 +108,7 @@ def decorator(func: COMMAND_FUNCTION) -> Command:
     return decorator
 
 
-def make_commands() -> Dict[Type[Context], Dict[str, Command]]:
+def make_commands() -> dict[Type[Context], dict[str, Command]]:
     for module in [
         "account",
         "help",
@@ -132,12 +125,12 @@ def make_commands() -> Dict[Type[Context], Dict[str, Command]]:
     ]:
         import_module(f"PyCrypCli.commands.{module}")
 
-    result: Dict[Type[Context], Dict[str, Command]] = {}
+    result: dict[Type[Context], dict[str, Command]] = {}
     for cmd in commands:
         for context in cmd.contexts:
             for name in [cmd.name] + cmd.aliases:
                 if name in result.setdefault(context, {}):
-                    raise CommandRegistrationException(name)
+                    raise CommandRegistrationError(name)
                 result[context][name] = cmd
         cmd.make_subcommands()
     return result
diff --git a/PyCrypCli/commands/device.py b/PyCrypCli/commands/device.py
index 245d034..ae3891f 100644
--- a/PyCrypCli/commands/device.py
+++ b/PyCrypCli/commands/device.py
@@ -1,28 +1,29 @@
-from typing import List, Dict, Optional
-
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.context import MainContext, DeviceContext
-from PyCrypCli.exceptions import (
-    AlreadyOwnADeviceException,
-    DeviceNotFoundException,
-    IncompatibleCPUSocket,
-    NotEnoughRAMSlots,
-    IncompatibleRAMTypes,
-    IncompatibleDriverInterface,
+from typing import Any, cast
+
+from .command import command, CommandError
+from .help import print_help
+from ..context import MainContext, DeviceContext
+from ..exceptions import (
+    AlreadyOwnADeviceError,
+    DeviceNotFoundError,
+    IncompatibleCPUSocketError,
+    NotEnoughRAMSlotsError,
+    IncompatibleRAMTypesError,
+    IncompatibleDriverInterfaceError,
+    DeviceIsStarterDeviceError,
 )
-from PyCrypCli.game_objects import Device, ResourceUsage, DeviceHardware, InventoryElement
-from PyCrypCli.util import is_uuid
+from ..models import Device, ResourceUsage, DeviceHardware, InventoryElement, HardwareConfig
+from ..util import is_uuid
 
 
-def get_device(context: MainContext, name_or_uuid: str, devices: Optional[List[Device]] = None) -> Device:
+def get_device(context: MainContext, name_or_uuid: str, devices: list[Device] | None = None) -> Device:
     if is_uuid(name_or_uuid):
         try:
             return Device.get_device(context.client, name_or_uuid)
-        except DeviceNotFoundException:
+        except DeviceNotFoundError:
             raise CommandError(f"There is no device with the uuid '{name_or_uuid}'.")
     else:
-        found_devices: List[Device] = []
+        found_devices: list[Device] = []
         for device in devices or Device.list_devices(context.client):
             if device.name == name_or_uuid:
                 found_devices.append(device)
@@ -30,13 +31,13 @@ def get_device(context: MainContext, name_or_uuid: str, devices: Optional[List[D
             raise CommandError(f"There is no device with the name '{name_or_uuid}'.")
         if len(found_devices) > 1:
             raise CommandError(
-                f"There is more than one device with the name '{name_or_uuid}'. You need to specify its UUID.",
+                f"There is more than one device with the name '{name_or_uuid}'. You need to specify its UUID."
             )
         return found_devices[0]
 
 
 @command("device", [MainContext, DeviceContext])
-def handle_device(context: MainContext, args: List[str]):
+def handle_device(context: MainContext, args: list[str]) -> None:
     """
     Manage your devices
     """
@@ -47,7 +48,7 @@ def handle_device(context: MainContext, args: List[str]):
 
 
 @handle_device.subcommand("list")
-def handle_device_list(context: MainContext, args: List[str]):
+def handle_device_list(context: MainContext, args: list[str]) -> None:
     """
     List your devices
     """
@@ -55,7 +56,7 @@ def handle_device_list(context: MainContext, args: List[str]):
     if len(args) != 0:
         raise CommandError("usage: device list")
 
-    devices: List[Device] = Device.list_devices(context.client)
+    devices: list[Device] = Device.list_devices(context.client)
     if not devices:
         print("You don't have any devices.")
     else:
@@ -65,7 +66,7 @@ def handle_device_list(context: MainContext, args: List[str]):
 
 
 @handle_device.subcommand("create")
-def handle_device_create(context: MainContext, args: List[str]):
+def handle_device_create(context: MainContext, args: list[str]) -> None:
     """
     Create your starter device
     """
@@ -75,7 +76,7 @@ def handle_device_create(context: MainContext, args: List[str]):
 
     try:
         device: Device = Device.starter_device(context.client)
-    except AlreadyOwnADeviceException:
+    except AlreadyOwnADeviceError:
         raise CommandError("You already own a device.")
 
     print("Your device has been created!")
@@ -83,7 +84,7 @@ def handle_device_create(context: MainContext, args: List[str]):
 
 
 @handle_device.subcommand("build")
-def handle_device_build(context: MainContext, args: List[str]):
+def handle_device_build(context: MainContext, args: list[str]) -> None:
     """
     Build a new device
     """
@@ -91,42 +92,42 @@ def handle_device_build(context: MainContext, args: List[str]):
     if len(args) < 5:
         raise CommandError("usage: device build <mainboard> <cpu> <gpu> <ram> [<ram>...] <disk> [<disk>...]")
 
-    hardware: dict = context.client.get_hardware_config()
+    hardware: HardwareConfig = context.client.get_hardware_config()
     mainboard, cpu, gpu, *ram_and_disk = args
-    ram: List[str] = []
-    disk: List[str] = []
+    ram: list[str] = []
+    disk: list[str] = []
 
-    for e in hardware["mainboards"]:
+    for e in hardware.mainboard:
         if e.replace(" ", "") == mainboard:
-            mainboard: str = e
+            mainboard = e
             break
     else:
         print(f"'{mainboard}' is no mainboard.")
         return
 
-    for e in hardware["cpu"]:
+    for e in hardware.cpu:
         if e.replace(" ", "") == cpu:
-            cpu: str = e
+            cpu = e
             break
     else:
         print(f"'{cpu}' is no cpu.")
         return
 
-    for e in hardware["gpu"]:
+    for e in hardware.gpu:
         if e.replace(" ", "") == gpu:
-            gpu: str = e
+            gpu = e
             break
     else:
         print(f"'{gpu}' is no gpu.")
         return
 
     for element in ram_and_disk:
-        for e in hardware["ram"]:
+        for e in hardware.ram:
             if e.replace(" ", "") == element:
                 ram.append(e)
                 break
         else:
-            for e in hardware["disk"]:
+            for e in hardware.disk:
                 if e.replace(" ", "") == element:
                     disk.append(e)
                     break
@@ -139,26 +140,26 @@ def handle_device_build(context: MainContext, args: List[str]):
     if not disk:
         raise CommandError("You have to chose at least one hard drive.")
 
-    inventory: List[str] = [e.name for e in InventoryElement.list_inventory(context.client)]
-    inventory_complete: bool = True
+    inventory: list[str] = [e.name for e in InventoryElement.list_inventory(context.client)]
+    inventory_complete = True
     for element in [mainboard, cpu, gpu] + ram + disk:
         if element in inventory:
             inventory.remove(element)
         else:
             print(f"'{element}' could not be found in your inventory.")
-            inventory_complete: bool = False
+            inventory_complete = False
     if not inventory_complete:
         return
 
     try:
         device: Device = Device.build(context.client, mainboard, cpu, gpu, ram, disk)
-    except IncompatibleCPUSocket:
+    except IncompatibleCPUSocketError:
         raise CommandError("The mainboard socket is not compatible with the cpu.")
-    except NotEnoughRAMSlots:
+    except NotEnoughRAMSlotsError:
         raise CommandError("The mainboard has not enough ram slots.")
-    except IncompatibleRAMTypes:
+    except IncompatibleRAMTypesError:
         raise CommandError("A ram type is incompatible with the mainboard.")
-    except IncompatibleDriverInterface:
+    except IncompatibleDriverInterfaceError:
         raise CommandError("The drive interface is not compatible with the mainboard.")
     else:
         print("Your device has been created!")
@@ -166,7 +167,7 @@ def handle_device_build(context: MainContext, args: List[str]):
 
 
 @handle_device.subcommand("boot", aliases=["start"])
-def handle_device_boot(context: MainContext, args: List[str]):
+def handle_device_boot(context: MainContext, args: list[str]) -> None:
     """
     Boot a device
     """
@@ -182,7 +183,7 @@ def handle_device_boot(context: MainContext, args: List[str]):
 
 
 @handle_device.subcommand("shutdown", aliases=["poweroff", "halt"])
-def handle_device_shutdown(context: MainContext, args: List[str]):
+def handle_device_shutdown(context: MainContext, args: list[str]) -> None:
     """
     Shut down a device
     """
@@ -200,7 +201,7 @@ def handle_device_shutdown(context: MainContext, args: List[str]):
 
 
 @command("shutdown", [DeviceContext], ["poweroff", "halt"])
-def handle_shutdown(context: DeviceContext, _):
+def handle_shutdown(context: DeviceContext, _: Any) -> None:
     """Shutdown this device"""
 
     device: Device = context.host
@@ -212,7 +213,7 @@ def handle_shutdown(context: DeviceContext, _):
 
 
 @handle_device.subcommand("connect")
-def handle_device_connect(context: MainContext, args: List[str]):
+def handle_device_connect(context: MainContext, args: list[str]) -> None:
     """
     Connect to one of your devices
     """
@@ -226,11 +227,11 @@ def handle_device_connect(context: MainContext, args: List[str]):
             return
         device.power()
 
-    context.open(DeviceContext(context.root_context, context.session_token, device))
+    context.open(DeviceContext(context.root_context, cast(str, context.session_token), device))
 
 
 @handle_device.subcommand("delete")
-def handle_device_delete(context: MainContext, args: List[str]):
+def handle_device_delete(context: MainContext, args: list[str]) -> None:
     """
     Delete a device
     """
@@ -239,8 +240,14 @@ def handle_device_delete(context: MainContext, args: List[str]):
         raise CommandError("usage: device delete <name|uuid>")
 
     device: Device = get_device(context, args[0])
+    if not context.confirm(f"Are you sure you want to delete the device '{device.name}' including all its files?"):
+        return
+
+    try:
+        device.delete()
+    except DeviceIsStarterDeviceError:
+        raise CommandError("You cannot delete your starter device.")
 
-    device.delete()
     print("Device has been deleted.")
 
 
@@ -248,31 +255,31 @@ def handle_device_delete(context: MainContext, args: List[str]):
 @handle_device_shutdown.completer()
 @handle_device_connect.completer()
 @handle_device_delete.completer()
-def complete_device(context: MainContext, args: List[str]) -> List[str]:
+def complete_device(context: MainContext, args: list[str]) -> list[str]:
     if len(args) == 1:
-        device_names: List[str] = [device.name for device in Device.list_devices(context.client)]
+        device_names: list[str] = [device.name for device in Device.list_devices(context.client)]
         return [name for name in device_names if device_names.count(name) == 1]
     return []
 
 
 @handle_device_build.completer()
-def complete_build(context: MainContext, args: List[str]) -> List[str]:
+def complete_build(context: MainContext, args: list[str]) -> list[str]:
     if len(args) == 1:
-        return [name.replace(" ", "") for name in list(context.client.get_hardware_config()["mainboards"])]
+        return [name.replace(" ", "") for name in list(context.client.get_hardware_config().mainboard)]
     if len(args) == 2:
-        return [name.replace(" ", "") for name in list(context.client.get_hardware_config()["cpu"])]
+        return [name.replace(" ", "") for name in list(context.client.get_hardware_config().cpu)]
     if len(args) == 3:
-        return [name.replace(" ", "") for name in list(context.client.get_hardware_config()["gpu"])]
+        return [name.replace(" ", "") for name in list(context.client.get_hardware_config().gpu)]
     if len(args) == 4:
-        return [name.replace(" ", "") for name in list(context.client.get_hardware_config()["ram"])]
+        return [name.replace(" ", "") for name in list(context.client.get_hardware_config().ram)]
     if len(args) >= 5:
-        hardware: dict = context.client.get_hardware_config()
-        return [name.replace(" ", "") for name in list(hardware["ram"]) + list(hardware["disk"])]
+        hardware: HardwareConfig = context.client.get_hardware_config()
+        return [name.replace(" ", "") for name in list(hardware.ram) + list(hardware.disk)]
     return []
 
 
 @command("hostname", [DeviceContext])
-def handle_hostname(context: DeviceContext, args: List[str]):
+def handle_hostname(context: DeviceContext, args: list[str]) -> None:
     """
     Show or modify the name of the device
     """
@@ -289,7 +296,7 @@ def handle_hostname(context: DeviceContext, args: List[str]):
 
 
 @command("top", [DeviceContext])
-def handle_top(context: DeviceContext, *_):
+def handle_top(context: DeviceContext, _: Any) -> None:
     """
     Display the current resource usage of this device
     """
@@ -297,7 +304,7 @@ def handle_top(context: DeviceContext, *_):
     print(f"Resource usage of '{context.host.name}':")
     print()
     resource_usage: ResourceUsage = context.host.get_resource_usage()
-    hardware: Dict[str, DeviceHardware] = {dh.hardware_type: dh for dh in context.host.get_hardware()}
+    hardware: dict[str, DeviceHardware] = {dh.hardware_type: dh for dh in context.host.get_hardware()}
 
     print(f"  Mainboard: {hardware['mainboard'].hardware_element}")
     print()
diff --git a/PyCrypCli/commands/files.py b/PyCrypCli/commands/files.py
index 5c5bb75..b3c8738 100644
--- a/PyCrypCli/commands/files.py
+++ b/PyCrypCli/commands/files.py
@@ -1,43 +1,39 @@
-from typing import List, Optional, Tuple
-
-from PyCrypCli.exceptions import (
-    FileAlreadyExistsException,
-    InvalidWalletFile,
-    UnknownSourceOrDestinationException,
-    PermissionDeniedException,
-    FileNotChangeableException,
+from typing import Any, cast
+
+from .command import command, CommandError
+from ..context import DeviceContext
+from ..exceptions import (
+    FileAlreadyExistsError,
+    InvalidWalletFileError,
+    UnknownSourceOrDestinationError,
+    PermissionDeniedError,
+    FileNotChangeableError,
 )
-
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.context import DeviceContext
-from PyCrypCli.game_objects import File, Wallet
+from ..models import File, Wallet
 
 
 @command("ls", [DeviceContext], aliases=["l", "dir"])
-def handle_ls(context: DeviceContext, args: List[str]):
+def handle_ls(context: DeviceContext, args: list[str]) -> None:
     """
     List all files
     """
 
-    if not args:
-        directory: File = context.pwd
-    else:
-        directory: File = context.path_to_file(args[0])
-        if directory is None:
-            raise CommandError("No such file or directory.")
+    directory = context.pwd if not args else context.path_to_file(args[0])
+    if directory is None:
+        raise CommandError("No such file or directory.")
 
     if directory.is_directory:
-        files: List[File] = context.get_files(directory.uuid)
-        files.sort(key=lambda f: [1 - f.is_directory, f.filename])
+        files: list[File] = context.get_files(directory.uuid)
+        files.sort(key=lambda f: [1 - f.is_directory, f.name])
     else:
-        files: List[File] = [directory]
+        files = [directory]
 
     for file in files:
-        print(["[FILE] ", "[DIR]  "][file.is_directory] + file.filename)
+        print(["[FILE] ", "[DIR]  "][file.is_directory] + file.name)
 
 
 @command("pwd", [DeviceContext])
-def handle_pwd(context: DeviceContext, *_):
+def handle_pwd(context: DeviceContext, _: Any) -> None:
     """
     Print the current working directory
     """
@@ -46,7 +42,7 @@ def handle_pwd(context: DeviceContext, *_):
 
 
 @command("mkdir", [DeviceContext])
-def handle_mkdir(context: DeviceContext, args: List[str]):
+def handle_mkdir(context: DeviceContext, args: list[str]) -> None:
     """
     Create a new directory
     """
@@ -55,7 +51,7 @@ def handle_mkdir(context: DeviceContext, args: List[str]):
         raise CommandError("usage: mkdir <dirname>")
 
     *path, dirname = args[0].split("/")
-    parent: Optional[File] = context.path_to_file("/".join(path))
+    parent: File | None = context.path_to_file("/".join(path))
     if parent is None:
         raise CommandError("No such file or directory.")
     if not parent.is_directory:
@@ -63,12 +59,12 @@ def handle_mkdir(context: DeviceContext, args: List[str]):
 
     try:
         context.host.create_file(dirname, "", True, parent.uuid)
-    except FileAlreadyExistsException:
+    except FileAlreadyExistsError:
         raise CommandError("There already exists a file with this name.")
 
 
 @command("cd", [DeviceContext])
-def handle_cd(context: DeviceContext, args: List[str]):
+def handle_cd(context: DeviceContext, args: list[str]) -> None:
     """
     Change the current working directory
     """
@@ -76,7 +72,7 @@ def handle_cd(context: DeviceContext, args: List[str]):
     if not args:
         context.pwd = context.get_root_dir()
     else:
-        directory: Optional[File] = context.path_to_file(args[0])
+        directory: File | None = context.path_to_file(args[0])
         if directory is None:
             raise CommandError("The specified directory does not exist")
         if not directory.is_directory:
@@ -86,7 +82,7 @@ def handle_cd(context: DeviceContext, args: List[str]):
 
 
 @command("..", [DeviceContext])
-def handle_dot_dot(context: DeviceContext, _):
+def handle_dot_dot(context: DeviceContext, _: Any) -> None:
     """
     Go to parent directory
     """
@@ -94,16 +90,18 @@ def handle_dot_dot(context: DeviceContext, _):
     handle_cd(context, [".."])
 
 
-def create_file(context: DeviceContext, filepath: str, content: str):
+def create_file(context: DeviceContext, filepath: str, content: str) -> None:
     *path, filename = filepath.split("/")
-    parent: Optional[File] = context.path_to_file("/".join(path))
+    parent: File | None = context.path_to_file("/".join(path))
+    if not parent:
+        raise CommandError("Parent directory does not exist.")
 
     if not filename:
         raise CommandError("Filename cannot be empty.")
     if len(filename) > 64:
         raise CommandError("Filename cannot be longer than 64 characters.")
 
-    file: File = context.get_file(filename, parent.uuid)
+    file: File | None = context.get_file(filename, parent.uuid)
     if file is not None:
         if file.is_directory:
             raise CommandError("A directory with this name already exists.")
@@ -113,7 +111,7 @@ def create_file(context: DeviceContext, filepath: str, content: str):
 
 
 @command("touch", [DeviceContext])
-def handle_touch(context: DeviceContext, args: List[str]):
+def handle_touch(context: DeviceContext, args: list[str]) -> None:
     """
     Create a new file with given content
     """
@@ -126,7 +124,7 @@ def handle_touch(context: DeviceContext, args: List[str]):
 
 
 @command("cat", [DeviceContext])
-def handle_cat(context: DeviceContext, args: List[str]):
+def handle_cat(context: DeviceContext, args: list[str]) -> None:
     """
     Print the content of a file
     """
@@ -135,7 +133,7 @@ def handle_cat(context: DeviceContext, args: List[str]):
         raise CommandError("usage: cat <filepath>")
 
     path: str = args[0]
-    file: File = context.path_to_file(path)
+    file: File | None = context.path_to_file(path)
     if file is None:
         raise CommandError("File does not exist.")
     if file.is_directory:
@@ -145,7 +143,7 @@ def handle_cat(context: DeviceContext, args: List[str]):
 
 
 @command("rm", [DeviceContext])
-def handle_rm(context: DeviceContext, args: List[str]):
+def handle_rm(context: DeviceContext, args: list[str]) -> None:
     """
     Remove a file
     """
@@ -154,7 +152,7 @@ def handle_rm(context: DeviceContext, args: List[str]):
         raise CommandError("usage: rm <filepath>")
 
     filepath: str = args[0]
-    file: File = context.path_to_file(filepath)
+    file: File | None = context.path_to_file(filepath)
     if file is None:
         raise CommandError("File does not exist.")
 
@@ -167,9 +165,9 @@ def handle_rm(context: DeviceContext, args: List[str]):
                 break
             pwd = context.get_parent_dir(pwd)
 
-        question: str = f"Are you sure you want to delete the directory `{filepath}` including all contained files?"
+        question: str = f"Are you sure you want to delete the directory '{filepath}' including all contained files?"
     else:
-        question: str = f"Are you sure you want to delete this file `{filepath}`?"
+        question = f"Are you sure you want to delete the file '{filepath}'?"
     if context.ask(question + " [yes|no] ", ["yes", "no"]) == "no":
         raise CommandError("File has not been deleted.")
 
@@ -187,29 +185,27 @@ def handle_rm(context: DeviceContext, args: List[str]):
         else:
             print("The following key might now be the only way to access your wallet.")
             print(content)
-    except (InvalidWalletFile, UnknownSourceOrDestinationException, PermissionDeniedException):
+    except (InvalidWalletFileError, UnknownSourceOrDestinationError, PermissionDeniedError):
         pass
 
     try:
         file.delete()
-    except FileNotChangeableException:
+    except FileNotChangeableError:
         raise CommandError("Some files could not be deleted.")
 
 
 def check_file_movable(
-    context: DeviceContext,
-    source: str,
-    destination: str,
-    move: bool,
-) -> Optional[Tuple[File, str, str]]:
-    file: Optional[File] = context.path_to_file(source)
+    context: DeviceContext, source: str, destination: str, move: bool
+) -> tuple[File, str, str | None] | None:
+    file: File | None = context.path_to_file(source)
     if file is None:
         raise CommandError("File does not exist.")
 
-    dest_file: Optional[File] = context.path_to_file(destination)
+    dest_file: File | None = context.path_to_file(destination)
     absolute = destination[0] == "/"
     dest_parent_path, _, dest_name = destination[absolute:].rpartition("/")
-    dest_parent: Optional[File] = context.path_to_file("/" * absolute + dest_parent_path)
+    dest_parent: File | None = context.path_to_file("/" * absolute + dest_parent_path)
+    dest_dir: str | None
 
     if file.is_directory:
         if dest_file is None:
@@ -217,9 +213,9 @@ def check_file_movable(
                 raise CommandError("No such file or directory.")
             if not dest_parent.is_directory:
                 raise CommandError("Not a directory.")
-            dest_dir: str = dest_parent.uuid
+            dest_dir = dest_parent.uuid
         elif dest_file.is_directory:
-            sub_file: Optional[File] = context.get_file(dest_name, dest_file.uuid)
+            sub_file: File | None = context.get_file(dest_name, dest_file.uuid)
             if sub_file is not None:
                 if sub_file.is_directory:
                     if context.get_files(sub_file.uuid):
@@ -227,8 +223,8 @@ def check_file_movable(
                     sub_file.delete()
                 else:
                     raise CommandError("Directory cannot replace a file.")
-            dest_name: str = file.filename
-            dest_dir: str = dest_file.uuid
+            dest_name = file.name
+            dest_dir = dest_file.uuid
         else:
             raise CommandError("Directory cannot replace a file.")
     else:
@@ -237,29 +233,29 @@ def check_file_movable(
                 raise CommandError("No such file or directory.")
             if not dest_parent.is_directory:
                 raise CommandError("Not a directory.")
-            dest_dir: str = dest_parent.uuid
+            dest_dir = dest_parent.uuid
         elif dest_file.is_directory:
-            sub_file: Optional[File] = context.get_file(dest_name, dest_file.uuid)
+            sub_file = context.get_file(dest_name, dest_file.uuid)
             if sub_file is not None:
                 if sub_file.is_directory:
                     raise CommandError("File cannot replace a directory.")
                 sub_file.delete()
-            dest_name: str = file.filename
-            dest_dir: str = dest_file.uuid
+            dest_name = file.name
+            dest_dir = dest_file.uuid
         else:
             dest_file.delete()
-            dest_dir: str = dest_parent.uuid
+            dest_dir = cast(File, dest_parent).uuid
 
-    if dest_dir == file.parent_dir_uuid and dest_name == file.filename:
+    if dest_dir == file.parent_dir_uuid and dest_name == file.name:
         return None
 
     if dest_dir is not None:
-        dir_to_check: File = File.get_file(context.client, file.device, dest_dir)
+        dir_to_check: File | None = File.get_file(context.client, file.device_uuid, dest_dir)
         while True:
+            if not dir_to_check:
+                break
             if dir_to_check.uuid == file.uuid:
                 raise CommandError(f"You cannot {['copy', 'move'][move]} a directory into itself.")
-            if dir_to_check.uuid is None:
-                break
             dir_to_check = context.get_parent_dir(dir_to_check)
 
     if not dest_name:
@@ -271,7 +267,7 @@ def check_file_movable(
 
 
 @command("cp", [DeviceContext])
-def handle_cp(context: DeviceContext, args: List[str]):
+def handle_cp(context: DeviceContext, args: list[str]) -> None:
     """
     Create a copy of a file
     """
@@ -279,22 +275,22 @@ def handle_cp(context: DeviceContext, args: List[str]):
     if len(args) != 2:
         raise CommandError("usage: cp <source> <destination>")
 
-    result: Optional[Tuple[File, str, str]] = check_file_movable(context, args[0], args[1], move=False)
+    result: tuple[File, str, str | None] | None = check_file_movable(context, args[0], args[1], move=False)
     if result is None:
         return
 
     file, dest_name, dest_dir = result
-    queue: List[Tuple[File, str, str]] = [(file, dest_name, dest_dir)]
+    queue: list[tuple[File, str, str | None]] = [(file, dest_name, dest_dir)]
     while queue:
         file, dest_name, dest_dir = queue.pop(0)
         new_file: File = context.host.create_file(dest_name, file.content, file.is_directory, dest_dir)
         if file.is_directory:
             for child in context.get_files(file.uuid):
-                queue.append((child, child.filename, new_file.uuid))
+                queue.append((child, child.name, cast(str, new_file.uuid)))
 
 
 @command("mv", [DeviceContext])
-def handle_mv(context: DeviceContext, args: List[str]):
+def handle_mv(context: DeviceContext, args: list[str]) -> None:
     """
     Rename a file
     """
@@ -302,7 +298,7 @@ def handle_mv(context: DeviceContext, args: List[str]):
     if len(args) != 2:
         raise CommandError("usage: mv <source> <destination>")
 
-    result: Optional[Tuple[File, str, str]] = check_file_movable(context, args[0], args[1], move=True)
+    result: tuple[File, str, str | None] | None = check_file_movable(context, args[0], args[1], move=True)
     if result is None:
         return
 
@@ -314,7 +310,7 @@ def handle_mv(context: DeviceContext, args: List[str]):
 @handle_cat.completer()
 @handle_touch.completer()
 @handle_rm.completer()
-def simple_file_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def simple_file_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return context.file_path_completer(args[0])
     return []
@@ -322,7 +318,7 @@ def simple_file_completer(context: DeviceContext, args: List[str]) -> List[str]:
 
 @handle_cd.completer()
 @handle_mkdir.completer()
-def simple_directory_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def simple_directory_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return context.file_path_completer(args[0], dirs_only=True)
     return []
@@ -330,7 +326,7 @@ def simple_directory_completer(context: DeviceContext, args: List[str]) -> List[
 
 @handle_mv.completer()
 @handle_cp.completer()
-def copy_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def copy_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if 1 <= len(args) <= 2:
         return context.file_path_completer(args[-1])
     return []
diff --git a/PyCrypCli/commands/help.py b/PyCrypCli/commands/help.py
index 41f9cec..4a901a4 100644
--- a/PyCrypCli/commands/help.py
+++ b/PyCrypCli/commands/help.py
@@ -1,16 +1,14 @@
-from typing import List, Optional, Dict, Tuple
+from .command import command, Command, CommandError
+from ..context import LoginContext, MainContext, DeviceContext, Context
 
-from PyCrypCli.commands import command, Command, CommandError
-from PyCrypCli.context import LoginContext, MainContext, DeviceContext, Context
 
-
-def print_help(context: Context, cmd: Optional[Command]):
+def print_help(context: Context, cmd: Command | None) -> None:
     if cmd is None:
-        cmds: Dict[str, Command] = {c.name: c for c in context.get_commands().values()}
+        cmds: dict[str, Command] = {c.name: c for c in context.get_commands().values()}
     else:
         print(cmd.description)
-        cmds: Dict[str, Command] = {c.name: c for c in cmd.prepared_subcommands.get(type(context), {}).values()}
-    command_list: List[Tuple[str, str]] = [
+        cmds = {c.name: c for c in cmd.prepared_subcommands.get(type(context), {}).values()}
+    command_list: list[tuple[str, str]] = [
         ("|".join([name] + cmd.aliases), cmd.description) for name, cmd in cmds.items()
     ]
     if not command_list:
@@ -23,12 +21,12 @@ def print_help(context: Context, cmd: Optional[Command]):
     print(f"Available {'sub' * (cmd is not None)}commands:")
     max_length: int = max([len(cmd[0]) for cmd in command_list])
     for com, desc in command_list:
-        com: str = com.ljust(max_length)
+        com = com.ljust(max_length)
         print(f" - {com}    {desc}")
 
 
 @command("help", [LoginContext, MainContext, DeviceContext])
-def handle_main_help(context: Context, args: List[str]):
+def handle_main_help(context: Context, args: list[str]) -> None:
     """
     Show a list of available commands
     """
@@ -46,7 +44,7 @@ def handle_main_help(context: Context, args: List[str]):
 
 
 @handle_main_help.completer()
-def complete_help(context: Context, args: List[str]) -> List[str]:
+def complete_help(context: Context, args: list[str]) -> list[str]:
     if len(args) == 1:
         return list(context.get_commands())
 
@@ -54,3 +52,5 @@ def complete_help(context: Context, args: List[str]) -> List[str]:
         cmd, args = context.get_commands()[args[0]].parse_command(context, args[1:-1])
         if not args:
             return list(cmd.prepared_subcommands.get(type(context), {}))
+
+    return []
diff --git a/PyCrypCli/commands/inventory.py b/PyCrypCli/commands/inventory.py
index 65a75e5..f2bc333 100644
--- a/PyCrypCli/commands/inventory.py
+++ b/PyCrypCli/commands/inventory.py
@@ -1,16 +1,16 @@
 from collections import Counter
-from typing import List, Dict
+from typing import List, Dict, Any
 
-from PyCrypCli.commands import CommandError, command
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.context import MainContext, DeviceContext
-from PyCrypCli.exceptions import CannotTradeWithYourselfException, UserUUIDDoesNotExistException
-from PyCrypCli.game_objects import InventoryElement, ShopCategory
-from PyCrypCli.util import print_tree
+from .command import CommandError, command
+from .help import print_help
+from ..context import MainContext, DeviceContext
+from ..exceptions import CannotTradeWithYourselfError, UserUUIDDoesNotExistError
+from ..models import InventoryElement, ShopCategory
+from ..util import print_tree
 
 
 @command("inventory", [MainContext, DeviceContext])
-def handle_inventory(context: MainContext, args: List[str]):
+def handle_inventory(context: MainContext, args: List[str]) -> None:
     """
     Manage your inventory and trade with other players
     """
@@ -21,7 +21,7 @@ def handle_inventory(context: MainContext, args: List[str]):
 
 
 @handle_inventory.subcommand("list")
-def handle_inventory_list(context: MainContext, _):
+def handle_inventory_list(context: MainContext, _: Any) -> None:
     """
     List your inventory
     """
@@ -35,7 +35,7 @@ def handle_inventory_list(context: MainContext, _):
     for category in categories:
         category_tree = []
         for subcategory in category.subcategories:
-            subcategory_tree = [
+            subcategory_tree: list[tuple[str, list[Any]]] = [
                 (f"{inventory[item.name]}x {item.name}", []) for item in subcategory.items if inventory[item.name]
             ]
             if subcategory_tree:
@@ -53,7 +53,7 @@ def handle_inventory_list(context: MainContext, _):
 
 
 @handle_inventory.subcommand("trade")
-def handle_inventory_trade(context: MainContext, args: List[str]):
+def handle_inventory_trade(context: MainContext, args: List[str]) -> None:
     """
     Trade with other players
     """
@@ -71,9 +71,9 @@ def handle_inventory_trade(context: MainContext, args: List[str]):
 
     try:
         item.trade(target_user)
-    except CannotTradeWithYourselfException:
+    except CannotTradeWithYourselfError:
         raise CommandError("You cannot trade with yourself.")
-    except UserUUIDDoesNotExistException:
+    except UserUUIDDoesNotExistError:
         raise CommandError("This user does not exist.")
 
 
diff --git a/PyCrypCli/commands/miner.py b/PyCrypCli/commands/miner.py
index e981d4a..33d348c 100644
--- a/PyCrypCli/commands/miner.py
+++ b/PyCrypCli/commands/miner.py
@@ -1,23 +1,22 @@
-from typing import List
+from typing import Any
 
-from PyCrypCli.exceptions import ServiceNotFoundException, WalletNotFoundException
-
-from PyCrypCli.commands import CommandError, command
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.context import DeviceContext
-from PyCrypCli.game_objects import Miner
-from PyCrypCli.util import is_uuid
+from .command import CommandError, command
+from .help import print_help
+from ..context import DeviceContext
+from ..exceptions import ServiceNotFoundError, WalletNotFoundError
+from ..models import Miner
+from ..util import is_uuid
 
 
 def get_miner(context: DeviceContext) -> Miner:
     try:
         return context.host.get_miner()
-    except ServiceNotFoundException:
+    except ServiceNotFoundError:
         raise CommandError("You have to create the miner service before you can use it.")
 
 
 @command("miner", [DeviceContext])
-def handle_miner(context: DeviceContext, args: List[str]):
+def handle_miner(context: DeviceContext, args: list[str]) -> None:
     """
     Manager your Morphcoin miners
     """
@@ -28,13 +27,13 @@ def handle_miner(context: DeviceContext, args: List[str]):
 
 
 @handle_miner.subcommand("look")
-def handle_miner_look(context: DeviceContext, _):
+def handle_miner_look(context: DeviceContext, _: Any) -> None:
     """
     View miner configuration
     """
 
     miner: Miner = get_miner(context)
-    print("Destination wallet: " + miner.wallet)
+    print("Destination wallet: " + miner.wallet_uuid)
     print("Running: " + ["no", "yes"][miner.running])
     print(f"Power: {miner.power * 100}%")
     if miner.running:
@@ -42,7 +41,7 @@ def handle_miner_look(context: DeviceContext, _):
 
 
 @handle_miner.subcommand("power")
-def handle_miner_power(context: DeviceContext, args: List[str]):
+def handle_miner_power(context: DeviceContext, args: list[str]) -> None:
     """
     Change miner power
     """
@@ -61,12 +60,12 @@ def handle_miner_power(context: DeviceContext, args: List[str]):
 
     try:
         miner.set_power(power)
-    except WalletNotFoundException:
+    except WalletNotFoundError:
         raise CommandError("Wallet does not exist.")
 
 
 @handle_miner.subcommand("wallet")
-def handle_miner_wallet(context: DeviceContext, args: List[str]):
+def handle_miner_wallet(context: DeviceContext, args: list[str]) -> None:
     """
     Connect the miner to a different wallet
     """
@@ -81,5 +80,5 @@ def handle_miner_wallet(context: DeviceContext, args: List[str]):
 
     try:
         miner.set_wallet(args[0])
-    except WalletNotFoundException:
+    except WalletNotFoundError:
         raise CommandError("Wallet does not exist.")
diff --git a/PyCrypCli/commands/morphcoin.py b/PyCrypCli/commands/morphcoin.py
index f09da9b..4d5ddbd 100644
--- a/PyCrypCli/commands/morphcoin.py
+++ b/PyCrypCli/commands/morphcoin.py
@@ -1,42 +1,42 @@
 import re
 import time
-from typing import List
-
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.commands.files import create_file
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.context import DeviceContext
-from PyCrypCli.exceptions import (
-    FileNotFoundException,
-    InvalidWalletFile,
-    UnknownSourceOrDestinationException,
-    PermissionDeniedException,
-    AlreadyOwnAWalletException,
+from typing import Any
+
+from .command import command, CommandError
+from .files import create_file
+from .help import print_help
+from ..context import DeviceContext
+from ..exceptions import (
+    FileNotFoundError,
+    InvalidWalletFileError,
+    UnknownSourceOrDestinationError,
+    PermissionDeniedError,
+    AlreadyOwnAWalletError,
 )
-from PyCrypCli.game_objects import Wallet, Transaction, PublicWallet
-from PyCrypCli.util import is_uuid, extract_wallet, strip_float
+from ..models import Wallet, Transaction, PublicWallet
+from ..util import is_uuid, extract_wallet, strip_float
 
 
 def get_wallet_from_file(context: DeviceContext, path: str) -> Wallet:
     try:
         return get_wallet(context, *context.get_wallet_credentials_from_file(path))
-    except FileNotFoundException:
+    except FileNotFoundError:
         raise CommandError("File does not exist.")
-    except InvalidWalletFile:
+    except InvalidWalletFileError:
         raise CommandError("File is no wallet file.")
 
 
 def get_wallet(context: DeviceContext, uuid: str, key: str) -> Wallet:
     try:
         return Wallet.get_wallet(context.client, uuid, key)
-    except UnknownSourceOrDestinationException:
+    except UnknownSourceOrDestinationError:
         raise CommandError("Invalid wallet file. Wallet does not exist.")
-    except PermissionDeniedException:
+    except PermissionDeniedError:
         raise CommandError("Invalid wallet file. Key is incorrect.")
 
 
 @command("morphcoin", [DeviceContext])
-def handle_morphcoin(context: DeviceContext, args: List[str]):
+def handle_morphcoin(context: DeviceContext, args: list[str]) -> None:
     """
     Manage your Morphcoin wallet
     """
@@ -47,7 +47,7 @@ def handle_morphcoin(context: DeviceContext, args: List[str]):
 
 
 @handle_morphcoin.subcommand("create")
-def handle_morphcoin_create(context: DeviceContext, args: List[str]):
+def handle_morphcoin_create(context: DeviceContext, args: list[str]) -> None:
     """
     Create a new MorphCoin wallet
     """
@@ -66,17 +66,17 @@ def handle_morphcoin_create(context: DeviceContext, args: List[str]):
         except CommandError:
             wallet.delete()
             raise
-    except AlreadyOwnAWalletException:
+    except AlreadyOwnAWalletError:
         raise CommandError("You already own a wallet")
 
 
 @handle_morphcoin.subcommand("list")
-def handle_morphcoin_list(context: DeviceContext, _):
+def handle_morphcoin_list(context: DeviceContext, _: Any) -> None:
     """
     List your MorphCoin wallets
     """
 
-    wallets: List[PublicWallet] = PublicWallet.list_wallets(context.client)
+    wallets: list[PublicWallet] = PublicWallet.list_wallets(context.client)
     if not wallets:
         print("You don't own any wallet.")
     else:
@@ -86,7 +86,7 @@ def handle_morphcoin_list(context: DeviceContext, _):
 
 
 @handle_morphcoin.subcommand("look")
-def handle_morphcoin_look(context: DeviceContext, args: List[str]):
+def handle_morphcoin_look(context: DeviceContext, args: list[str]) -> None:
     """
     View the balance of your wallet
     """
@@ -105,7 +105,7 @@ def handle_morphcoin_look(context: DeviceContext, args: List[str]):
 
 
 @handle_morphcoin.subcommand("transactions")
-def handle_morphcoin_transactions(context: DeviceContext, args: List[str]):
+def handle_morphcoin_transactions(context: DeviceContext, args: list[str]) -> None:
     """
     View the transaction history of your wallet
     """
@@ -115,19 +115,19 @@ def handle_morphcoin_transactions(context: DeviceContext, args: List[str]):
 
     wallet: Wallet = get_wallet_from_file(context, args[0])
 
-    if not wallet.transactions:
+    if not wallet.transaction_count:
         print("No transactions found for this wallet.")
         return
 
-    transactions: List[Transaction] = wallet.get_transactions(wallet.transactions, 0)
+    transactions: list[Transaction] = wallet.get_transactions(wallet.transaction_count, 0)
     print("Transactions for this wallet:")
     for transaction in transactions:
         source: str = transaction.source_uuid
         if source == wallet.uuid:
-            source: str = "self"
+            source = "self"
         destination: str = transaction.destination_uuid
         if destination == wallet.uuid:
-            destination: str = "self"
+            destination = "self"
         amount: int = transaction.amount
         usage: str = transaction.usage
         text = f"{transaction.timestamp.ctime()}| {strip_float(amount / 1000, 3)} MC: {source} -> {destination}"
@@ -137,7 +137,7 @@ def handle_morphcoin_transactions(context: DeviceContext, args: List[str]):
 
 
 @handle_morphcoin.subcommand("reset")
-def handle_morphcoin_reset(context: DeviceContext, args: List[str]):
+def handle_morphcoin_reset(context: DeviceContext, args: list[str]) -> None:
     """
     Reset your wallet in case you lost the secret key
     """
@@ -151,14 +151,14 @@ def handle_morphcoin_reset(context: DeviceContext, args: List[str]):
 
     try:
         PublicWallet.get_public_wallet(context.client, wallet_uuid).reset_wallet()
-    except UnknownSourceOrDestinationException:
+    except UnknownSourceOrDestinationError:
         raise CommandError("Wallet does not exist.")
-    except PermissionDeniedException:
+    except PermissionDeniedError:
         raise CommandError("Permission denied.")
 
 
 @handle_morphcoin.subcommand("watch")
-def handle_morphcoin_watch(context: DeviceContext, args: List[str]):
+def handle_morphcoin_watch(context: DeviceContext, args: list[str]) -> None:
     """
     Live view of the wallet balance
     """
@@ -176,9 +176,9 @@ def handle_morphcoin_watch(context: DeviceContext, args: List[str]):
             now = time.time()
 
             if now - last_update > 20:
-                wallet: Wallet = get_wallet(context, wallet.uuid, wallet.key)
-                current_mining_rate: float = wallet.get_mining_rate()
-                last_update: float = now
+                wallet = get_wallet(context, wallet.uuid, wallet.key)
+                current_mining_rate = wallet.get_mining_rate()
+                last_update = now
 
             current_balance: int = wallet.amount + int(current_mining_rate * 1000 * (now - last_update))
             print(
@@ -193,35 +193,35 @@ def handle_morphcoin_watch(context: DeviceContext, args: List[str]):
 @handle_morphcoin_look.completer()
 @handle_morphcoin_transactions.completer()
 @handle_morphcoin_watch.completer()
-def morphcoin_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def morphcoin_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return context.file_path_completer(args[0])
     return []
 
 
 @handle_morphcoin_create.completer()
-def morphcoin_create_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def morphcoin_create_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return context.file_path_completer(args[0], dirs_only=True)
     return []
 
 
 @command("pay", [DeviceContext])
-def handle_pay(context: DeviceContext, args: List[str]):
+def handle_pay(context: DeviceContext, args: list[str]) -> None:
     """
     Send Morphcoins to another wallet
     """
 
     if len(args) < 3:
         raise CommandError(
-            "usage: pay <filename> <receiver> <amount> [usage]\n" "   or: pay <uuid> <key> <receiver> <amount> [usage]",
+            "usage: pay <filename> <receiver> <amount> [usage]\n" "   or: pay <uuid> <key> <receiver> <amount> [usage]"
         )
 
     if extract_wallet(f"{args[0]} {args[1]}") is not None:
         wallet: Wallet = get_wallet(context, args[0], args[1])
         args.pop(0)
     else:
-        wallet: Wallet = get_wallet_from_file(context, args[0])
+        wallet = get_wallet_from_file(context, args[0])
 
     receiver: str = args[1]
     if not is_uuid(receiver):
@@ -239,12 +239,12 @@ def handle_pay(context: DeviceContext, args: List[str]):
     try:
         wallet.send(PublicWallet.get_public_wallet(context.client, receiver), amount, " ".join(args[3:]))
         print(f"Sent {strip_float(amount / 1000, 3)} morphcoin to {receiver}.")
-    except UnknownSourceOrDestinationException:
+    except UnknownSourceOrDestinationError:
         raise CommandError("Destination wallet does not exist.")
 
 
 @handle_pay.completer()
-def pay_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def pay_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return context.file_path_completer(args[0])
     return []
diff --git a/PyCrypCli/commands/network.py b/PyCrypCli/commands/network.py
index 2b8df48..425b11b 100644
--- a/PyCrypCli/commands/network.py
+++ b/PyCrypCli/commands/network.py
@@ -1,39 +1,39 @@
-from typing import List
-
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.commands.device import get_device
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.context import DeviceContext
-from PyCrypCli.exceptions import (
-    MaximumNetworksReachedException,
-    InvalidNameException,
-    NameAlreadyInUseException,
-    NetworkNotFoundException,
-    AlreadyMemberOfNetworkException,
-    InvitationAlreadyExistsException,
-    NoPermissionsException,
-    CannotLeaveOwnNetworkException,
-    CannotKickOwnerException,
-    DeviceNotFoundException,
+from typing import Any
+
+from .command import command, CommandError
+from .device import get_device
+from .help import print_help
+from ..context import DeviceContext
+from ..exceptions import (
+    MaximumNetworksReachedError,
+    InvalidNameError,
+    NameAlreadyInUseError,
+    NetworkNotFoundError,
+    AlreadyMemberOfNetworkError,
+    InvitationAlreadyExistsError,
+    NoPermissionsError,
+    CannotLeaveOwnNetworkError,
+    CannotKickOwnerError,
+    DeviceNotFoundError,
 )
-from PyCrypCli.game_objects import Network, NetworkMembership, Device, NetworkInvitation
-from PyCrypCli.util import is_uuid
+from ..models import Network, NetworkMembership, Device, NetworkInvitation
+from ..util import is_uuid
 
 
 def get_network(context: DeviceContext, name_or_uuid: str) -> Network:
     if is_uuid(name_or_uuid):
         try:
             return Network.get_by_uuid(context.client, name_or_uuid)
-        except NetworkNotFoundException:
+        except NetworkNotFoundError:
             pass
 
     try:
         return Network.get_network_by_name(context.client, name_or_uuid)
-    except NetworkNotFoundException:
+    except NetworkNotFoundError:
         raise CommandError("This network does not exist.")
 
 
-def handle_membership_request(context: DeviceContext, args: List[str], accept: bool):
+def handle_membership_request(context: DeviceContext, args: list[str], accept: bool) -> None:
     if len(args) not in (1, 2):
         raise CommandError(f"usage: network {['deny', 'accept'][accept]} <network> [<device>]")
 
@@ -41,26 +41,26 @@ def handle_membership_request(context: DeviceContext, args: List[str], accept: b
 
     if len(args) == 1:
         for invitation in context.host.get_network_invitations():
-            if invitation.network == network.uuid:
+            if invitation.network_uuid == network.uuid:
                 break
         else:
             raise CommandError("Invitation not found.")
     else:
-        devices: List[Device] = []
+        devices: list[Device] = []
         for request in network.get_membership_requests():
             try:
-                devices.append(Device.get_device(context.client, request.device))
-            except DeviceNotFoundException:
+                devices.append(Device.get_device(context.client, request.device_uuid))
+            except DeviceNotFoundError:
                 pass
 
         device: Device = get_device(context, args[1], devices)
         try:
             for invitation in network.get_membership_requests():
-                if invitation.network == network.uuid and invitation.device == device.uuid:
+                if invitation.network_uuid == network.uuid and invitation.device_uuid == device.uuid:
                     break
             else:
                 raise CommandError("Join request not found.")
-        except NoPermissionsException:
+        except NoPermissionsError:
             raise CommandError("Permission denied.")
 
     if accept:
@@ -70,7 +70,7 @@ def handle_membership_request(context: DeviceContext, args: List[str], accept: b
 
 
 @command("network", [DeviceContext])
-def handle_network(context: DeviceContext, args: List[str]):
+def handle_network(context: DeviceContext, args: list[str]) -> None:
     """
     Manage your networks
     """
@@ -81,41 +81,41 @@ def handle_network(context: DeviceContext, args: List[str]):
 
 
 @handle_network.subcommand("list")
-def handle_network_list(context: DeviceContext, _):
+def handle_network_list(context: DeviceContext, _: Any) -> None:
     """
     View the networks this device is a member of
     """
 
-    networks: List[Network] = context.host.get_networks()
+    networks: list[Network] = context.host.get_networks()
 
     if not networks:
         print("This device is not a member of any network.")
     else:
         print("Networks this device is a member of:")
     for network in networks:
-        owner: str = " (owner)" * (network.owner == context.host.uuid)
+        owner: str = " (owner)" * (network.owner_uuid == context.host.uuid)
         print(f" - [{['public', 'private'][network.hidden]}] {network.name}{owner} (UUID: {network.uuid})")
 
 
 @handle_network.subcommand("public")
-def handle_network_public(context: DeviceContext, _):
+def handle_network_public(context: DeviceContext, _: Any) -> None:
     """
     View public networks
     """
 
-    networks: List[Network] = Network.get_public_networks(context.client)
+    networks: list[Network] = Network.get_public_networks(context.client)
 
     if not networks:
         print("There is no public network.")
     else:
         print("Public networks:")
     for network in networks:
-        owner: str = " (owner)" * (network.owner == context.host.uuid)
+        owner: str = " (owner)" * (network.owner_uuid == context.host.uuid)
         print(f" - {network.name}{owner} (UUID: {network.uuid})")
 
 
 @handle_network.subcommand("create")
-def handle_network_create(context: DeviceContext, args: List[str]):
+def handle_network_create(context: DeviceContext, args: list[str]) -> None:
     """
     Create a new network
     """
@@ -125,16 +125,16 @@ def handle_network_create(context: DeviceContext, args: List[str]):
 
     try:
         context.host.create_network(args[0], args[1] == "private")
-    except MaximumNetworksReachedException:
+    except MaximumNetworksReachedError:
         raise CommandError("You already own two networks.")
-    except InvalidNameException:
+    except InvalidNameError:
         raise CommandError("Invalid name.")
-    except NameAlreadyInUseException:
+    except NameAlreadyInUseError:
         raise CommandError("This name is already in use.")
 
 
 @handle_network.subcommand("members")
-def handle_network_members(context: DeviceContext, args: List[str]):
+def handle_network_members(context: DeviceContext, args: list[str]) -> None:
     """
     View the members of one of your networks
     """
@@ -145,8 +145,8 @@ def handle_network_members(context: DeviceContext, args: List[str]):
     network: Network = get_network(context, args[0])
 
     try:
-        members: List[NetworkMembership] = network.get_members()
-    except NetworkNotFoundException:
+        members: list[NetworkMembership] = network.get_members()
+    except NetworkNotFoundError:
         raise CommandError("Permission denied.")
 
     if not members:
@@ -154,12 +154,12 @@ def handle_network_members(context: DeviceContext, args: List[str]):
     else:
         print(f"Members of '{network.name}':")
     for member in members:
-        device: Device = Device.get_device(context.client, member.device)
+        device: Device = Device.get_device(context.client, member.device_uuid)
         print(f" - [{['off', 'on'][device.powered_on]}] {device.name} (UUID: {device.uuid})")
 
 
 @handle_network.subcommand("request")
-def handle_network_request(context: DeviceContext, args: List[str]):
+def handle_network_request(context: DeviceContext, args: list[str]) -> None:
     """
     Request membership of a network
     """
@@ -171,14 +171,14 @@ def handle_network_request(context: DeviceContext, args: List[str]):
 
     try:
         network.request_membership(context.host)
-    except AlreadyMemberOfNetworkException:
+    except AlreadyMemberOfNetworkError:
         raise CommandError("This device is already a member of the network.")
-    except InvitationAlreadyExistsException:
+    except InvitationAlreadyExistsError:
         raise CommandError("You already requested to join this network.")
 
 
 @handle_network.subcommand("requests")
-def handle_network_requests(context: DeviceContext, args: List[str]):
+def handle_network_requests(context: DeviceContext, args: list[str]) -> None:
     """
     View open membership requests of one of your networks
     """
@@ -189,8 +189,8 @@ def handle_network_requests(context: DeviceContext, args: List[str]):
     network: Network = get_network(context, args[0])
 
     try:
-        requests: List[NetworkInvitation] = network.get_membership_requests()
-    except NoPermissionsException:
+        requests: list[NetworkInvitation] = network.get_membership_requests()
+    except NoPermissionsError:
         raise CommandError("Permission denied.")
 
     if not requests:
@@ -198,12 +198,12 @@ def handle_network_requests(context: DeviceContext, args: List[str]):
     else:
         print("Pending requests:")
     for request in requests:
-        device: Device = Device.get_device(context.client, request.device)
+        device: Device = Device.get_device(context.client, request.device_uuid)
         print(f" - {device.name} (UUID: {device.uuid})")
 
 
 @handle_network.subcommand("accept")
-def handle_network_accept(context: DeviceContext, args: List[str]):
+def handle_network_accept(context: DeviceContext, args: list[str]) -> None:
     """
     Accept a membership request or an invitation
     """
@@ -212,7 +212,7 @@ def handle_network_accept(context: DeviceContext, args: List[str]):
 
 
 @handle_network.subcommand("deny")
-def handle_network_deny(context: DeviceContext, args: List[str]):
+def handle_network_deny(context: DeviceContext, args: list[str]) -> None:
     """
     Deny a membership request or an invitation
     """
@@ -221,7 +221,7 @@ def handle_network_deny(context: DeviceContext, args: List[str]):
 
 
 @handle_network.subcommand("invite")
-def handle_network_invite(context: DeviceContext, args: List[str]):
+def handle_network_invite(context: DeviceContext, args: list[str]) -> None:
     """
     Invite a device to one of your networks
     """
@@ -234,33 +234,33 @@ def handle_network_invite(context: DeviceContext, args: List[str]):
     device: Device = get_device(context, args[1])
     try:
         network.invite_device(device)
-    except NetworkNotFoundException:
+    except NetworkNotFoundError:
         raise CommandError("Permission denied.")
-    except AlreadyMemberOfNetworkException:
+    except AlreadyMemberOfNetworkError:
         raise CommandError("Device is already a member of this network.")
-    except InvitationAlreadyExistsException:
+    except InvitationAlreadyExistsError:
         raise CommandError("An invitation for this device already exists.")
 
 
 @handle_network.subcommand("invitations")
-def handle_network_invitations(context: DeviceContext, _):
+def handle_network_invitations(context: DeviceContext, _: Any) -> None:
     """
     View invitations for this device to other networks
     """
 
-    invitations: List[NetworkInvitation] = context.host.get_network_invitations()
+    invitations: list[NetworkInvitation] = context.host.get_network_invitations()
     if not invitations:
         print("There are no pending network invitations for this device.")
     else:
         print("Pending network invitations:")
     for invitation in invitations:
-        network: Network = Network.get_by_uuid(context.client, invitation.network)
-        owner: str = " (owner)" * (network.owner == context.host.uuid)
+        network: Network = Network.get_by_uuid(context.client, invitation.network_uuid)
+        owner: str = " (owner)" * (network.owner_uuid == context.host.uuid)
         print(f" - [{['public', 'private'][network.hidden]}] {network.name}{owner} (UUID: {network.uuid})")
 
 
 @handle_network.subcommand("leave")
-def handle_network_leave(context: DeviceContext, args: List[str]):
+def handle_network_leave(context: DeviceContext, args: list[str]) -> None:
     """
     Leave a network
     """
@@ -272,12 +272,12 @@ def handle_network_leave(context: DeviceContext, args: List[str]):
 
     try:
         network.leave(context.host)
-    except CannotLeaveOwnNetworkException:
+    except CannotLeaveOwnNetworkError:
         raise CommandError("You cannot leave your own network.")
 
 
 @handle_network.subcommand("kick")
-def handle_network_kick(context: DeviceContext, args: List[str]):
+def handle_network_kick(context: DeviceContext, args: list[str]) -> None:
     """
     Kick a device from one of your networks
     """
@@ -287,23 +287,23 @@ def handle_network_kick(context: DeviceContext, args: List[str]):
 
     network: Network = get_network(context, args[0])
 
-    devices: List[Device] = []
+    devices: list[Device] = []
     for member in network.get_members():
-        devices.append(Device.get_device(context.client, member.device))
+        devices.append(Device.get_device(context.client, member.device_uuid))
 
     device: Device = get_device(context, args[1], devices)
     try:
         network.kick(device)
-    except NetworkNotFoundException:
+    except NetworkNotFoundError:
         raise CommandError("Permission denied.")
-    except NoPermissionsException:
+    except NoPermissionsError:
         raise CommandError("Permission denied.")
-    except CannotKickOwnerException:
+    except CannotKickOwnerError:
         raise CommandError("You cannot kick the owner of the network.")
 
 
 @handle_network.subcommand("delete")
-def handle_network_delete(context: DeviceContext, args: List[str]):
+def handle_network_delete(context: DeviceContext, args: list[str]) -> None:
     """
     Delete one of your networks
     """
@@ -315,21 +315,21 @@ def handle_network_delete(context: DeviceContext, args: List[str]):
 
     try:
         network.delete()
-    except NetworkNotFoundException:
+    except NetworkNotFoundError:
         raise CommandError("Permission denied.")
 
 
-def device_network_names(context: DeviceContext) -> List[str]:
+def device_network_names(context: DeviceContext) -> list[str]:
     return [network.name for network in context.host.get_networks()]
 
 
-def public_network_names(context: DeviceContext) -> List[str]:
+def public_network_names(context: DeviceContext) -> list[str]:
     return [network.name for network in Network.get_public_networks(context.client)]
 
 
-def invitation_network_names(context: DeviceContext) -> List[str]:
+def invitation_network_names(context: DeviceContext) -> list[str]:
     return [
-        Network.get_by_uuid(context.client, invitation.network).name
+        Network.get_by_uuid(context.client, invitation.network_uuid).name
         for invitation in context.host.get_network_invitations()
     ]
 
@@ -339,14 +339,14 @@ def invitation_network_names(context: DeviceContext) -> List[str]:
 @handle_network_requests.completer()
 @handle_network_leave.completer()
 @handle_network_delete.completer()
-def network_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def network_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return [*{*device_network_names(context), *public_network_names(context), *invitation_network_names(context)}]
     return []
 
 
 @handle_network_create.completer()
-def network_create_completer(_, args: List[str]) -> List[str]:
+def network_create_completer(_: Any, args: list[str]) -> list[str]:
     if len(args) == 2:
         return ["public", "private"]
     return []
@@ -354,7 +354,7 @@ def network_create_completer(_, args: List[str]) -> List[str]:
 
 @handle_network_accept.completer()
 @handle_network_deny.completer()
-def network_accept_deny_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def network_accept_deny_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return [*{*device_network_names(context), *invitation_network_names(context)}]
     if len(args) == 2:
@@ -362,28 +362,28 @@ def network_accept_deny_completer(context: DeviceContext, args: List[str]) -> Li
             network: Network = get_network(context, args[0])
         except CommandError:
             return []
-        device_names: List[str] = []
+        device_names: list[str] = []
         for request in network.get_membership_requests():
             try:
-                device_names.append(Device.get_device(context.client, request.device).name)
-            except DeviceNotFoundException:
+                device_names.append(Device.get_device(context.client, request.device_uuid).name)
+            except DeviceNotFoundError:
                 pass
         return [name for name in device_names if device_names.count(name) == 1]
     return []
 
 
 @handle_network_invite.completer()
-def network_invite_completer(context: DeviceContext, args: List[str]):
+def network_invite_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return [*{*device_network_names(context)}]
     if len(args) == 2:
-        device_names: List[str] = [device.name for device in Device.list_devices(context.client)]
+        device_names: list[str] = [device.name for device in Device.list_devices(context.client)]
         return [name for name in device_names if device_names.count(name) == 1]
     return []
 
 
 @handle_network_kick.completer()
-def network_kick_completer(context: DeviceContext, args: List[str]):
+def network_kick_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return [*{*device_network_names(context)}]
     if len(args) == 2:
@@ -391,8 +391,8 @@ def network_kick_completer(context: DeviceContext, args: List[str]):
             network: Network = get_network(context, args[0])
         except CommandError:
             return []
-        device_names: List[str] = []
+        device_names: list[str] = []
         for member in network.get_members():
-            device_names.append(Device.get_device(context.client, member.device).name)
+            device_names.append(Device.get_device(context.client, member.device_uuid).name)
         return [name for name in device_names if device_names.count(name) == 1]
     return []
diff --git a/PyCrypCli/commands/service.py b/PyCrypCli/commands/service.py
index 215ce4a..8db39a0 100644
--- a/PyCrypCli/commands/service.py
+++ b/PyCrypCli/commands/service.py
@@ -1,36 +1,36 @@
 import os
 import time
-from typing import List, Tuple
-
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.commands.morphcoin import get_wallet_from_file
-from PyCrypCli.context import DeviceContext, MainContext
-from PyCrypCli.exceptions import (
-    ServiceNotFoundException,
-    AttackNotRunningException,
-    AlreadyOwnThisServiceException,
-    WalletNotFoundException,
-    CannotDeleteEnforcedServiceException,
-    CannotToggleDirectlyException,
-    CouldNotStartService,
-    ServiceNotRunningException,
+from typing import Any, cast
+
+from .command import command, CommandError
+from .help import print_help
+from .morphcoin import get_wallet_from_file
+from ..context import DeviceContext, MainContext
+from ..exceptions import (
+    ServiceNotFoundError,
+    AttackNotRunningError,
+    AlreadyOwnThisServiceError,
+    WalletNotFoundError,
+    CannotDeleteEnforcedServiceError,
+    CannotToggleDirectlyError,
+    CouldNotStartServiceError,
+    ServiceNotRunningError,
 )
-from PyCrypCli.game_objects import Device, Service, PortscanService, BruteforceService, PublicService
-from PyCrypCli.util import is_uuid
+from ..models import Device, Service, PortscanService, BruteforceService, PublicService
+from ..util import is_uuid
 
 
 def get_service(context: DeviceContext, name: str) -> Service:
     try:
         return context.host.get_service_by_name(name)
-    except ServiceNotFoundException:
+    except ServiceNotFoundError:
         raise CommandError(f"The service '{name}' could not be found on this device")
 
 
-def stop_bruteforce(context: DeviceContext, service: BruteforceService):
+def stop_bruteforce(context: DeviceContext, service: BruteforceService) -> None:
     try:
         access, _, target_device = service.stop()
-    except AttackNotRunningException:
+    except AttackNotRunningError:
         raise CommandError("Bruteforce attack is not running.")
     if access:
         if context.ask("Access granted. Do you want to connect to the device? [yes|no] ", ["yes", "no"]) == "yes":
@@ -42,7 +42,7 @@ def stop_bruteforce(context: DeviceContext, service: BruteforceService):
 
 
 @command("service", [DeviceContext])
-def handle_service(context: DeviceContext, args: List[str]):
+def handle_service(context: DeviceContext, args: list[str]) -> None:
     """
     Create or use a service
     """
@@ -53,7 +53,7 @@ def handle_service(context: DeviceContext, args: List[str]):
 
 
 @handle_service.subcommand("create")
-def handle_service_create(context: DeviceContext, args: List[str]):
+def handle_service_create(context: DeviceContext, args: list[str]) -> None:
     """
     Create a new service
     """
@@ -61,7 +61,7 @@ def handle_service_create(context: DeviceContext, args: List[str]):
     if len(args) not in (1, 2) or args[0] not in ("bruteforce", "portscan", "telnet", "ssh", "miner"):
         raise CommandError("usage: service create bruteforce|portscan|telnet|ssh|miner")
 
-    extra: dict = {}
+    extra: dict[str, Any] = {}
     if args[0] == "miner":
         if len(args) != 2:
             raise CommandError("usage: service create miner <wallet>")
@@ -70,7 +70,7 @@ def handle_service_create(context: DeviceContext, args: List[str]):
             wallet_uuid: str = get_wallet_from_file(context, args[1]).uuid
         except CommandError:
             if is_uuid(args[1]):
-                wallet_uuid: str = args[1]
+                wallet_uuid = args[1]
             else:
                 raise CommandError("Invalid wallet uuid")
 
@@ -79,19 +79,19 @@ def handle_service_create(context: DeviceContext, args: List[str]):
     try:
         context.host.create_service(args[0], **extra)
         print("Service has been created")
-    except AlreadyOwnThisServiceException:
+    except AlreadyOwnThisServiceError:
         raise CommandError("You already created this service")
-    except WalletNotFoundException:
+    except WalletNotFoundError:
         raise CommandError("Wallet does not exist.")
 
 
 @handle_service.subcommand("list")
-def handle_service_list(context: DeviceContext, _):
+def handle_service_list(context: DeviceContext, _: Any) -> None:
     """
     List all services installed on this device
     """
 
-    services: List[Service] = context.host.get_services()
+    services: list[Service] = context.host.get_services()
     if not services:
         print("There are no services on this device.")
     else:
@@ -104,7 +104,7 @@ def handle_service_list(context: DeviceContext, _):
 
 
 @handle_service.subcommand("delete")
-def handle_service_delete(context: DeviceContext, args: List[str]):
+def handle_service_delete(context: DeviceContext, args: list[str]) -> None:
     """
     Delete a service
     """
@@ -116,12 +116,12 @@ def handle_service_delete(context: DeviceContext, args: List[str]):
 
     try:
         service.delete()
-    except CannotDeleteEnforcedServiceException:
+    except CannotDeleteEnforcedServiceError:
         raise CommandError("The service could not be deleted.")
 
 
 @handle_service.subcommand("start")
-def handle_service_start(context: DeviceContext, args: List[str]):
+def handle_service_start(context: DeviceContext, args: list[str]) -> None:
     """
     Start a service
     """
@@ -135,12 +135,12 @@ def handle_service_start(context: DeviceContext, args: List[str]):
 
     try:
         service.toggle()
-    except (CannotToggleDirectlyException, CouldNotStartService):
+    except (CannotToggleDirectlyError, CouldNotStartServiceError):
         raise CommandError("The service could not be started.")
 
 
 @handle_service.subcommand("stop")
-def handle_service_stop(context: DeviceContext, args: List[str]):
+def handle_service_stop(context: DeviceContext, args: list[str]) -> None:
     """
     Stop a service
     """
@@ -154,12 +154,12 @@ def handle_service_stop(context: DeviceContext, args: List[str]):
 
     try:
         service.toggle()
-    except CannotToggleDirectlyException:
+    except CannotToggleDirectlyError:
         raise CommandError("The service could not be stopped.")
 
 
 @handle_service.subcommand("portscan")
-def handle_portscan(context: DeviceContext, args: List[str]):
+def handle_portscan(context: DeviceContext, args: list[str]) -> None:
     """
     Perform a portscan
     """
@@ -173,30 +173,31 @@ def handle_portscan(context: DeviceContext, args: List[str]):
 
     try:
         service: PortscanService = PortscanService.get_portscan_service(context.client, context.host.uuid)
-    except ServiceNotFoundException:
+    except ServiceNotFoundError:
         raise CommandError("You have to create a portscan service before you can use it.")
 
-    services: List[PublicService] = service.scan(target)
-    context.update_last_portscan((target, services))
+    services: list[PublicService] = service.scan(target)
+    context.last_portscan = target, services
     if not services:
         print("That device doesn't have any running services")
-    for service in services:
-        print(f" - {service.name} on port {service.running_port} (UUID: {service.uuid})")
+    for s in services:
+        print(f" - {s.name} on port {s.running_port} (UUID: {s.uuid})")
 
 
 @handle_service.subcommand("bruteforce")
-def handle_bruteforce(context: DeviceContext, args: List[str]):
+def handle_bruteforce(context: DeviceContext, args: list[str]) -> None:
     """
     Start a bruteforce attack
     """
 
-    duration: str = "100%"
+    duration_arg: str = "100%"
+    duration: int = 0
     chance: float | None = None
     if len(args) in (1, 2) and args[0] in ("ssh", "telnet"):
-        last_portscan: Tuple[str, List[PublicService]] = context.get_last_portscan()
-        if last_portscan is None:
+        if context.last_portscan is None:
             raise CommandError("You have to portscan your target first to find open ports.")
-        target_device, services = last_portscan
+
+        target_device, services = context.last_portscan
         for service in services:
             if service.name == args[0]:
                 target_service: str = service.uuid
@@ -204,64 +205,66 @@ def handle_bruteforce(context: DeviceContext, args: List[str]):
         else:
             raise CommandError(f"Service '{args[0]}' is not running on target device.")
         if len(args) == 2:
-            duration: str = args[1]
+            duration_arg = args[1]
     elif len(args) in (2, 3):
-        target_device: str = args[0]
-        target_service: str = args[1]
+        target_device = args[0]
+        target_service = args[1]
         if not is_uuid(target_device):
             raise CommandError("Invalid target device")
         if not is_uuid(target_service):
             raise CommandError("Invalid target service")
 
         if len(args) == 3:
-            duration: str = args[2]
+            duration_arg = args[2]
     else:
         raise CommandError(
             "usage: service bruteforce <target-device> <target-service> [duration|success_chance]\n"
-            "       service bruteforce ssh|telnet [duration|success_chance]",
+            "       service bruteforce ssh|telnet [duration|success_chance]"
         )
 
-    if duration.endswith("%"):
+    if duration_arg.endswith("%"):
         error = "Success chance has to be a positive number between 0 and 100"
         try:
-            chance = float(duration[:-1]) / 100
+            chance = float(duration_arg[:-1]) / 100
         except ValueError:
             raise CommandError(error)
         if chance < 0 or chance > 1:
             raise CommandError(error)
     else:
-        if not duration.isnumeric():
+        if not duration_arg.isnumeric():
             raise CommandError("Duration has to be a positive integer")
-        duration: int = int(duration)
+        duration = int(duration_arg)
 
     try:
-        service: BruteforceService = BruteforceService.get_bruteforce_service(context.client, context.host.uuid)
-    except ServiceNotFoundException:
+        bruteforce_service: BruteforceService = BruteforceService.get_bruteforce_service(
+            context.client, context.host.uuid
+        )
+    except ServiceNotFoundError:
         raise CommandError("You have to create a bruteforce service before you can use it.")
 
-    if service.running:
+    if bruteforce_service.running:
         print("You are already attacking a device.")
-        print(f"Target device: {service.target_device}")
+        print(f"Target device: {bruteforce_service.target_device_uuid}")
         if context.ask("Do you want to stop this attack? [yes|no] ", ["yes", "no"]) == "yes":
-            stop_bruteforce(context, service)
+            stop_bruteforce(context, bruteforce_service)
         return
 
     try:
-        service.attack(target_device, target_service)
+        bruteforce_service.attack(target_device, target_service)
         if chance is not None:
-            service.update()
-            duration: int = round((chance + 0.1) * 20 / service.speed)
-    except ServiceNotFoundException:
+            bruteforce_service.update()
+            duration = round((chance + 0.1) * 20 / bruteforce_service.speed)
+    except ServiceNotFoundError:
         raise CommandError("The target service does not exist.")
-    except ServiceNotRunningException:
+    except ServiceNotRunningError:
         raise CommandError("The target service is not running and cannot be exploited.")
 
     print("You started a bruteforce attack")
-    width: int = os.get_terminal_size().columns - 31
-    steps: int = 17
-    d: int = duration * steps
-    i: int = 0
-    last_check = 0
+    width = os.get_terminal_size().columns - 31
+    steps = 17
+    d = duration * steps
+    i = 0
+    last_check: float = 0
     try:
         context.update_presence(
             state=f"Logged in: {context.username}@{context.root_context.host}",
@@ -273,27 +276,27 @@ def handle_bruteforce(context: DeviceContext, args: List[str]):
         for i in range(d):
             if time.time() - last_check > 1:
                 last_check = time.time()
-                service.update()
-                if not service.running:
+                bruteforce_service.update()
+                if not bruteforce_service.running:
                     print("\rBruteforce attack has been aborted.")
                     return
 
             progress: int = int(i / d * width)
             j = i // steps
             progress_bar = "[" + "=" * progress + ">" + " " * (width - progress) + "]"
-            text: str = f"\rBruteforcing {j // 60:02d}:{j % 60:02d} {progress_bar} ({i / d * 100:.1f}%) "
+            text = f"\rBruteforcing {j // 60:02d}:{j % 60:02d} {progress_bar} ({i / d * 100:.1f}%) "
             print(end=text, flush=True)
             time.sleep(1 / steps)
-        i: int = (i + 1) // steps
+        i = (i + 1) // steps
         print(f"\rBruteforcing {i // 60:02d}:{i % 60:02d} [" + "=" * width + ">] (100%) ")
     except KeyboardInterrupt:
         print()
     context.main_loop_presence()
-    stop_bruteforce(context, service)
+    stop_bruteforce(context, bruteforce_service)
 
 
 @handle_service_create.completer()
-def service_create_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def service_create_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return ["bruteforce", "portscan", "ssh", "telnet", "miner"]
     if len(args) == 2 and args[0] == "miner":
@@ -302,7 +305,7 @@ def service_create_completer(context: DeviceContext, args: List[str]) -> List[st
 
 
 @handle_service_delete.completer()
-def service_delete_completer(_, args: List[str]) -> List[str]:
+def service_delete_completer(_: Any, args: list[str]) -> list[str]:
     if len(args) == 1:
         return ["bruteforce", "portscan", "telnet", "miner"]
     return []
@@ -311,14 +314,14 @@ def service_delete_completer(_, args: List[str]) -> List[str]:
 @handle_service_start.completer()
 @handle_service_stop.completer()
 @handle_bruteforce.completer()
-def service_completer(_, args: List[str]) -> List[str]:
+def service_completer(_: Any, args: list[str]) -> list[str]:
     if len(args) == 1:
         return ["ssh", "telnet"]
     return []
 
 
 @command("spot", [DeviceContext])
-def handle_spot(context: DeviceContext, _):
+def handle_spot(context: DeviceContext, _: Any) -> None:
     """
     Find a random device in the network
     """
@@ -330,7 +333,7 @@ def handle_spot(context: DeviceContext, _):
 
 
 @command("remote", [MainContext, DeviceContext])
-def handle_remote(context: MainContext, args: List[str]):
+def handle_remote(context: MainContext, args: list[str]) -> None:
     """
     Manage and connect to the devices you hacked before
     """
@@ -341,12 +344,12 @@ def handle_remote(context: MainContext, args: List[str]):
 
 
 @handle_remote.subcommand("list")
-def handle_remote_list(context: MainContext, _):
+def handle_remote_list(context: MainContext, _: Any) -> None:
     """
     List remote devices
     """
 
-    devices: List[Device] = context.get_hacked_devices()
+    devices: list[Device] = context.get_hacked_devices()
 
     if not devices:
         print("You don't have access to any remote device.")
@@ -357,7 +360,7 @@ def handle_remote_list(context: MainContext, _):
 
 
 @handle_remote.subcommand("connect")
-def handle_remote_connect(context: MainContext, args: List[str]):
+def handle_remote_connect(context: MainContext, args: list[str]) -> None:
     """
     Connect to a remote device
     """
@@ -372,7 +375,7 @@ def handle_remote_connect(context: MainContext, args: List[str]):
         if device is None:
             raise CommandError("This device does not exist or you have no permission to access it.")
     else:
-        found_devices: List[Device] = []
+        found_devices: list[Device] = []
         for device in context.get_hacked_devices():
             if device.name == name:
                 found_devices.append(device)
@@ -382,18 +385,18 @@ def handle_remote_connect(context: MainContext, args: List[str]):
         if len(found_devices) > 1:
             raise CommandError(f"There is more than one device with the name '{name}'. You need to specify its UUID.")
 
-        device: Device = found_devices[0]
+        device = found_devices[0]
 
     print(f"Connecting to {device.name} (UUID: {device.uuid})")
     if device.part_owner():
-        context.open(DeviceContext(context.root_context, context.session_token, device))
+        context.open(DeviceContext(context.root_context, cast(str, context.session_token), device))
     else:
         raise CommandError("This device does not exist or you have no permission to access it.")
 
 
 @handle_remote_connect.completer()
-def remote_completer(context: MainContext, args: List[str]) -> List[str]:
+def remote_completer(context: MainContext, args: list[str]) -> list[str]:
     if len(args) == 1:
-        device_names: List[str] = [device.name for device in context.get_hacked_devices()]
+        device_names: list[str] = [device.name for device in context.get_hacked_devices()]
         return [name for name in device_names if device_names.count(name) == 1]
     return []
diff --git a/PyCrypCli/commands/shell.py b/PyCrypCli/commands/shell.py
index bea8577..95ce1f9 100644
--- a/PyCrypCli/commands/shell.py
+++ b/PyCrypCli/commands/shell.py
@@ -1,11 +1,13 @@
+from typing import Any
+
 import sentry_sdk
 
-from PyCrypCli.commands import command
-from PyCrypCli.context import LoginContext, MainContext, DeviceContext, Context
+from .command import command
+from ..context import LoginContext, MainContext, DeviceContext
 
 
 @command("clear", [LoginContext, MainContext, DeviceContext])
-def handle_main_clear(*_):
+def handle_main_clear(*_: Any) -> None:
     """
     Clear the console
     """
@@ -14,7 +16,7 @@ def handle_main_clear(*_):
 
 
 @command("history", [MainContext, DeviceContext])
-def handle_main_history(context: MainContext, *_):
+def handle_main_history(context: MainContext, _: Any) -> None:
     """
     Show the history of commands entered in this session
     """
@@ -24,14 +26,14 @@ def handle_main_history(context: MainContext, *_):
 
 
 @command("feedback", [LoginContext, MainContext, DeviceContext])
-def handle_feedback(context: Context, *_):
+def handle_feedback(context: LoginContext, _: Any) -> None:
     """
     Send feedback to the developer
     """
 
     print("Please type your feedback about PyCrypCli below. When you are done press Ctrl+C")
     feedback = ["User Feedback"]
-    if hasattr(context, "username"):
+    if isinstance(context, MainContext) and context.username:
         feedback[0] += " from " + context.username
     while True:
         try:
diff --git a/PyCrypCli/commands/shop.py b/PyCrypCli/commands/shop.py
index 96252c4..8864589 100644
--- a/PyCrypCli/commands/shop.py
+++ b/PyCrypCli/commands/shop.py
@@ -1,16 +1,16 @@
-from typing import List, Dict
+from typing import Any
 
-from PyCrypCli.client import Client
-from PyCrypCli.commands import command, CommandError
-from PyCrypCli.commands.help import print_help
-from PyCrypCli.commands.morphcoin import get_wallet_from_file
-from PyCrypCli.context import DeviceContext
-from PyCrypCli.exceptions import ItemNotFoundException, NotEnoughCoinsException
-from PyCrypCli.game_objects import Wallet, ShopCategory, ShopProduct
-from PyCrypCli.util import strip_float, print_tree
+from .command import command, CommandError
+from .help import print_help
+from .morphcoin import get_wallet_from_file
+from ..client import Client
+from ..context import DeviceContext
+from ..exceptions import ItemNotFoundError, NotEnoughCoinsError
+from ..models import Wallet, ShopCategory, ShopProduct
+from ..util import strip_float, print_tree
 
 
-def list_shop_products(client: Client) -> Dict[str, ShopProduct]:
+def list_shop_products(client: Client) -> dict[str, ShopProduct]:
     out = {}
     for category in ShopCategory.shop_list(client):
         for subcategory in category.subcategories:
@@ -22,7 +22,7 @@ def list_shop_products(client: Client) -> Dict[str, ShopProduct]:
 
 
 @command("shop", [DeviceContext])
-def handle_shop(context: DeviceContext, args: List[str]):
+def handle_shop(context: DeviceContext, args: list[str]) -> None:
     """
     Buy new hardware and more in the shop
     """
@@ -33,12 +33,12 @@ def handle_shop(context: DeviceContext, args: List[str]):
 
 
 @handle_shop.subcommand("list")
-def handle_shop_list(context: DeviceContext, _):
+def handle_shop_list(context: DeviceContext, _: Any) -> None:
     """
     List shop prodcuts
     """
 
-    categories: List[ShopCategory] = ShopCategory.shop_list(context.client)
+    categories: list[ShopCategory] = ShopCategory.shop_list(context.client)
     maxlength = max(
         *[len(item.name) + 4 for category in categories for item in category.items],
         *[
@@ -52,7 +52,7 @@ def handle_shop_list(context: DeviceContext, _):
     for category in categories:
         category_tree = []
         for subcategory in category.subcategories:
-            subcategory_tree = [
+            subcategory_tree: list[tuple[str, list[Any]]] = [
                 (item.name.ljust(maxlength) + strip_float(item.price / 1000, 3) + " MC", [])
                 for item in subcategory.items
             ]
@@ -68,7 +68,7 @@ def handle_shop_list(context: DeviceContext, _):
 
 
 @handle_shop.subcommand("buy")
-def handle_shop_buy(context: DeviceContext, args: List[str]):
+def handle_shop_buy(context: DeviceContext, args: list[str]) -> None:
     """
     Buy something in the shop
     """
@@ -80,21 +80,21 @@ def handle_shop_buy(context: DeviceContext, args: List[str]):
 
     wallet: Wallet = get_wallet_from_file(context, wallet_filepath)
 
-    shop_products: Dict[str, ShopProduct] = list_shop_products(context.client)
+    shop_products: dict[str, ShopProduct] = list_shop_products(context.client)
     if product_name not in shop_products:
         raise CommandError("This product does not exist in the shop.")
     product: ShopProduct = shop_products[product_name]
 
     try:
         product.buy(wallet)
-    except ItemNotFoundException:
+    except ItemNotFoundError:
         raise CommandError("This product does not exist in the shop.")
-    except NotEnoughCoinsException:
+    except NotEnoughCoinsError:
         raise CommandError("You don't have enough coins on your wallet to buy this product.")
 
 
 @handle_shop_buy.completer()
-def shop_completer(context: DeviceContext, args: List[str]) -> List[str]:
+def shop_completer(context: DeviceContext, args: list[str]) -> list[str]:
     if len(args) == 1:
         return list(list_shop_products(context.client))
     if len(args) == 2:
diff --git a/PyCrypCli/commands/status.py b/PyCrypCli/commands/status.py
index e5aebe8..3a4b3f1 100644
--- a/PyCrypCli/commands/status.py
+++ b/PyCrypCli/commands/status.py
@@ -1,9 +1,11 @@
-from PyCrypCli.commands import command
-from PyCrypCli.context import MainContext, DeviceContext, LoginContext, Context
+from typing import Any
+
+from .command import command
+from ..context import MainContext, DeviceContext, LoginContext, Context
 
 
 @command("whoami", [MainContext, DeviceContext])
-def handle_whoami(context: MainContext, *_):
+def handle_whoami(context: MainContext, _: Any) -> None:
     """
     Print the name of the current user
     """
@@ -12,13 +14,13 @@ def handle_whoami(context: MainContext, *_):
 
 
 @command("status", [LoginContext, MainContext, DeviceContext])
-def handle_status(context: Context, _):
+def handle_status(context: Context, _: Any) -> None:
     """
     Indicate how many players are online
     """
 
     if type(context) is LoginContext:
-        online: int = context.client.status()["online"]
+        online: int = context.client.status().online
     else:
-        online: int = context.client.info()["online"]
+        online = context.client.info().online
     print(f"Online players: {online}")
diff --git a/PyCrypCli/context/__init__.py b/PyCrypCli/context/__init__.py
index 49289b7..72124e5 100644
--- a/PyCrypCli/context/__init__.py
+++ b/PyCrypCli/context/__init__.py
@@ -1,15 +1,16 @@
-from PyCrypCli.context.context import Context, COMMAND_FUNCTION, COMPLETER_FUNCTION
-from PyCrypCli.context.root_context import RootContext
-from PyCrypCli.context.login_context import LoginContext
-from PyCrypCli.context.main_context import MainContext
-from PyCrypCli.context.device_context import DeviceContext
+from .context import Context, COMMAND_FUNCTION, COMPLETER_FUNCTION, ContextType
+from .device_context import DeviceContext
+from .login_context import LoginContext
+from .main_context import MainContext
+from .root_context import RootContext
 
 __all__ = [
     "Context",
     "COMMAND_FUNCTION",
     "COMPLETER_FUNCTION",
-    "RootContext",
+    "ContextType",
+    "DeviceContext",
     "LoginContext",
     "MainContext",
-    "DeviceContext",
+    "RootContext",
 ]
diff --git a/PyCrypCli/context/context.py b/PyCrypCli/context/context.py
index 1caca9c..495d639 100644
--- a/PyCrypCli/context/context.py
+++ b/PyCrypCli/context/context.py
@@ -1,23 +1,25 @@
-from typing import Optional, List, Callable, Dict, TYPE_CHECKING
+from __future__ import annotations
+
+from typing import Callable, TYPE_CHECKING, TypeVar
 
 import readline
 from pypresence import PyPresenceException
 
-from PyCrypCli.client import Client
+from ..client import Client
 
 if TYPE_CHECKING:
-    from PyCrypCli.commands import Command
-    from PyCrypCli.context import RootContext
+    from .root_context import RootContext
+    from ..commands import Command
 
 
 class Context:
-    def __init__(self, root_context: "RootContext"):
-        self.root_context: "RootContext" = root_context
+    def __init__(self, root_context: RootContext):
+        self.root_context: RootContext = root_context
 
-        self.override_completions: Optional[List[str]] = None
-        self.history: List[str] = []
+        self.override_completions: list[str] | None = None
+        self.history: list[str] = []
 
-    def add_to_history(self, command: str):
+    def add_to_history(self, command: str) -> None:
         if self.history[-1:] != [command]:
             self.history.append(command)
 
@@ -29,18 +31,20 @@ def prompt(self) -> str:
     def client(self) -> Client:
         return self.root_context.client
 
-    def get_commands(self) -> Dict[str, "Command"]:
+    def get_commands(self) -> dict[str, Command]:
         return self.root_context.get_commands()
 
-    def ask(self, prompt: str, options: List[str]) -> str:
+    def ask(self, prompt: str, options: list[str]) -> str:
         while True:
             try:
                 choice: str = self.input_no_history(prompt, options).strip()
             except (KeyboardInterrupt, EOFError):
                 print("\nEnter one of the following:", ", ".join(options))
                 continue
+
             if choice in options:
                 return choice
+
             print(f"'{choice}' is not one of the following:", ", ".join(options))
 
     def confirm(self, question: str) -> bool:
@@ -48,63 +52,60 @@ def confirm(self, question: str) -> bool:
 
     def update_presence(
         self,
-        state: str = None,
-        details: str = None,
-        start: int = None,
-        end: int = None,
-        large_image: str = None,
-        large_text: str = None,
-    ):
+        state: str | None = None,
+        details: str | None = None,
+        start: int | None = None,
+        end: int | None = None,
+        large_image: str | None = None,
+        large_text: str | None = None,
+    ) -> None:
         if self.root_context.presence is None:
             return
+
         try:
             self.root_context.presence.update(
-                state=state,
-                details=details,
-                start=start,
-                end=end,
-                large_image=large_image,
-                large_text=large_text,
+                state=state, details=details, start=start, end=end, large_image=large_image, large_text=large_text
             )
         except PyPresenceException:
             pass
 
-    def enter_context(self):
+    def enter_context(self) -> None:
         readline.clear_history()
 
-    def leave_context(self):
+    def leave_context(self) -> None:
         pass
 
-    def reenter_context(self):
+    def reenter_context(self) -> None:
         self.restore_history()
 
-    def input_no_history(self, prompt: str, override_completions: Optional[List[str]] = None) -> Optional[str]:
+    def input_no_history(self, prompt: str, override_completions: list[str] | None = None) -> str:
         readline.clear_history()
-        old_override: List[str] = self.override_completions
-        self.override_completions: List[str] = override_completions or []
+        old_override = self.override_completions
+        self.override_completions = override_completions or []
         try:
             return input(prompt)
         finally:
             self.restore_history()
             self.override_completions = old_override
 
-    def restore_history(self):
+    def restore_history(self) -> None:
         readline.clear_history()
         for command in self.history:
             readline.add_history(command)
 
-    def open(self, context: "Context"):
+    def open(self, context: Context) -> None:
         self.root_context.open(context)
 
-    def close(self):
+    def close(self) -> None:
         self.root_context.close()
 
-    def loop_tick(self):
+    def loop_tick(self) -> None:
         pass
 
     def before_command(self) -> bool:
         return True
 
 
-COMMAND_FUNCTION = Callable[[Context, List[str]], None]
-COMPLETER_FUNCTION = Callable[[Context, List[str]], List[str]]
+ContextType = TypeVar("ContextType", bound=Context)
+COMMAND_FUNCTION = Callable[[ContextType, list[str]], None]
+COMPLETER_FUNCTION = Callable[[ContextType, list[str]], list[str]]
diff --git a/PyCrypCli/context/device_context.py b/PyCrypCli/context/device_context.py
index 6b74954..9fc3839 100644
--- a/PyCrypCli/context/device_context.py
+++ b/PyCrypCli/context/device_context.py
@@ -1,13 +1,11 @@
-from typing import Optional, Tuple, List
-
 import readline
 
-from PyCrypCli.context.context import Context
-from PyCrypCli.context.main_context import MainContext
-from PyCrypCli.context.root_context import RootContext
-from PyCrypCli.exceptions import FileNotFoundException, InvalidWalletFile
-from PyCrypCli.game_objects import Device, File, Service, PublicService
-from PyCrypCli.util import extract_wallet
+from .context import Context
+from .main_context import MainContext
+from .root_context import RootContext
+from ..exceptions import InvalidWalletFileError
+from ..models import Device, File, Service, PublicService
+from ..util import extract_wallet
 
 
 class DeviceContext(MainContext):
@@ -16,37 +14,38 @@ def __init__(self, root_context: RootContext, session_token: str, device: Device
 
         self.host: Device = device
         self.pwd: File = self.get_root_dir()
-        self.last_portscan: Optional[Tuple[str, List[Service]]] = None
+        self.last_portscan: tuple[str, list[PublicService]] | None = None
 
-    def update_pwd(self):
-        if self.pwd.uuid is not None:
+    def update_pwd(self) -> None:
+        if self.pwd.uuid:
             self.pwd = self.host.get_file(self.pwd.uuid)
 
-    def is_localhost(self):
-        return self.user_uuid == self.host.owner
+    def is_localhost(self) -> bool:
+        return self.user_uuid == self.host.owner_uuid
 
     @property
     def prompt(self) -> str:
         self.update_pwd()
         if self.is_localhost():
-            color: str = "\033[38;2;100;221;23m"
+            color = "\033[38;2;100;221;23m"
         else:
-            color: str = "\033[38;2;255;64;23m"
+            color = "\033[38;2;255;64;23m"
         return f"{color}[{self.username}@{self.host.name}:{self.file_to_path(self.pwd)}]$\033[0m "
 
-    def loop_tick(self):
+    def loop_tick(self) -> None:
         super().loop_tick()
 
         self.host.update()
         self.check_device_permission()
 
     def check_device_permission(self) -> bool:
-        if self.host.owner != self.user_uuid and all(
-            service.device != self.host.uuid for service in Service.list_part_owner(self.client)
+        if self.host.owner_uuid != self.user_uuid and all(
+            service.device_uuid != self.host.uuid for service in Service.list_part_owner(self.client)
         ):
             print("You don't have access to this device anymore.")
             self.close()
             return False
+
         return True
 
     def check_powered_on(self) -> bool:
@@ -54,22 +53,23 @@ def check_powered_on(self) -> bool:
             print("This device is not powered on.")
             self.close()
             return False
+
         return True
 
     def before_command(self) -> bool:
         return self.check_device_permission() and self.check_powered_on()
 
-    def enter_context(self):
+    def enter_context(self) -> None:
         Context.enter_context(self)
 
-    def leave_context(self):
+    def leave_context(self) -> None:
         pass
 
-    def reenter_context(self):
+    def reenter_context(self) -> None:
         Context.reenter_context(self)
 
-    def get_files(self, directory: str) -> List[File]:
-        return self.host.get_files(directory)
+    def get_files(self, parent_dir_uuid: str | None) -> list[File]:
+        return self.host.get_files(parent_dir_uuid)
 
     def get_parent_dir(self, file: File) -> File:
         if file.parent_dir_uuid is None:
@@ -77,51 +77,45 @@ def get_parent_dir(self, file: File) -> File:
         return self.host.get_file(file.parent_dir_uuid)
 
     def get_root_dir(self) -> File:
-        return File(self.client, {"device": self.host.uuid, "is_directory": True})
+        return File.get_root_directory(self.client, self.host.uuid)
 
-    def get_file(self, filename: str, directory: str) -> Optional[File]:
-        files: List[File] = self.get_files(directory)
+    def get_file(self, filename: str, directory_uuid: str | None) -> File | None:
+        files: list[File] = self.get_files(directory_uuid)
         for file in files:
-            if file.filename == filename:
+            if file.name == filename:
                 return file
         return None
 
-    def get_filenames(self, directory: str) -> List[str]:
-        return [file.filename for file in self.get_files(directory)]
+    def get_filenames(self, directory: str) -> list[str]:
+        return [file.name for file in self.get_files(directory)]
 
-    def get_wallet_credentials_from_file(self, filepath: str) -> Tuple[str, str]:
-        file: File = self.path_to_file(filepath)
+    def get_wallet_credentials_from_file(self, filepath: str) -> tuple[str, str]:
+        file: File | None = self.path_to_file(filepath)
         if file is None:
-            raise FileNotFoundException
+            raise FileNotFoundError
 
-        wallet: Optional[Tuple[str, str]] = extract_wallet(file.content)
+        wallet: tuple[str, str] | None = extract_wallet(file.content)
         if wallet is None:
-            raise InvalidWalletFile
+            raise InvalidWalletFileError
 
         return wallet
 
-    def get_last_portscan(self) -> Tuple[str, List[PublicService]]:
-        return self.last_portscan
-
-    def update_last_portscan(self, scan: Tuple[str, List[PublicService]]):
-        self.last_portscan: Tuple[str, List[PublicService]] = scan
-
-    def file_path_completer(self, path: str, dirs_only: bool = False) -> List[str]:
+    def file_path_completer(self, path: str, dirs_only: bool = False) -> list[str]:
         base_path: str = "/".join(path.split("/")[:-1])
         if path.startswith("/"):
-            base_path: str = "/" + base_path
-        base_dir: Optional[File] = self.path_to_file(base_path)
+            base_path = "/" + base_path
+        base_dir: File | None = self.path_to_file(base_path)
         if base_dir is None or not base_dir.is_directory:
             return []
         if base_path:
             readline.set_completer_delims("/")
         return [
-            file.filename + "/\0" * file.is_directory
+            file.name + "/\0" * file.is_directory
             for file in self.get_files(base_dir.uuid)
             if file.is_directory or not dirs_only
         ] + ["./\0", "../\0"] * path.split("/")[-1].startswith(".")
 
-    def path_to_file(self, path: str) -> Optional[File]:
+    def path_to_file(self, path: str) -> File | None:
         pwd: File = self.get_root_dir() if path.startswith("/") else self.pwd
         for file_name in path.split("/"):
             if not file_name or file_name == ".":
@@ -129,15 +123,16 @@ def path_to_file(self, path: str) -> Optional[File]:
             if file_name == "..":
                 pwd = self.get_parent_dir(pwd)
             else:
-                pwd: Optional[File] = self.get_file(file_name, pwd.uuid)
-                if pwd is None:
+                if not (file := self.get_file(file_name, pwd.uuid)):
                     return None
+                pwd = file
         return pwd
 
-    def file_to_path(self, file: Optional[File]) -> str:
-        if file.uuid is None:
+    def file_to_path(self, file: File) -> str:
+        if file.is_root_directory:
             return "/"
-        path: List[File] = [file]
+
+        path: list[File] = [file]
         while path[-1].parent_dir_uuid is not None:
             path.append(self.host.get_file(path[-1].parent_dir_uuid))
-        return "/" + "/".join(f.filename for f in path[::-1])
+        return "/" + "/".join(f.name for f in path[::-1])
diff --git a/PyCrypCli/context/login_context.py b/PyCrypCli/context/login_context.py
index 5fb3e65..adfee87 100644
--- a/PyCrypCli/context/login_context.py
+++ b/PyCrypCli/context/login_context.py
@@ -1,8 +1,9 @@
 import time
 
-from PyCrypCli.context.context import Context
-from PyCrypCli.context.root_context import RootContext
-from PyCrypCli.exceptions import InvalidSessionTokenException
+from .context import Context
+from .root_context import RootContext
+from ..exceptions import InvalidSessionTokenError
+from ..models import Config
 
 
 class LoginContext(Context):
@@ -13,37 +14,36 @@ def __init__(self, root_context: RootContext):
     def prompt(self) -> str:
         return "$ "
 
-    def enter_context(self):
+    def enter_context(self) -> None:
         self.login_loop_presence()
 
         try:
             self.load_session()
-        except InvalidSessionTokenException:
+        except InvalidSessionTokenError:
             self.delete_session()
             print("You are not logged in.")
             print("Type `register` to create a new account or `login` if you already have one.")
 
-    def reenter_context(self):
+    def reenter_context(self) -> None:
         super().reenter_context()
         self.login_loop_presence()
 
-    def load_session(self):
-        from PyCrypCli.context.main_context import MainContext
+    def load_session(self) -> None:
+        from .main_context import MainContext
 
-        config: dict = self.root_context.read_config_file()
+        config: Config = self.root_context.read_config_file()
 
-        if "token" in config.setdefault("servers", {}).setdefault(self.root_context.host, {}):
-            session_token: str = config["servers"][self.root_context.host]["token"]
-            self.client.session(session_token)
-            self.open(MainContext(self.root_context, session_token))
+        if (server_config := config.servers.get(self.root_context.host)) and server_config.token:
+            self.client.session(server_config.token)
+            self.open(MainContext(self.root_context, server_config.token))
 
-    def delete_session(self):
-        config: dict = self.root_context.read_config_file()
-        if "token" in config.setdefault("servers", {}).setdefault(self.root_context.host, {}):
-            del config["servers"][self.root_context.host]["token"]
+    def delete_session(self) -> None:
+        config: Config = self.root_context.read_config_file()
+        if server_config := config.servers.get(self.root_context.host):
+            server_config.token = None
         self.root_context.write_config_file(config)
 
-    def login_loop_presence(self):
+    def login_loop_presence(self) -> None:
         self.update_presence(
             state=f"Server: {self.root_context.host}",
             details="Logging in",
diff --git a/PyCrypCli/context/main_context.py b/PyCrypCli/context/main_context.py
index 1f66a3c..e9e1502 100644
--- a/PyCrypCli/context/main_context.py
+++ b/PyCrypCli/context/main_context.py
@@ -1,35 +1,34 @@
 import time
-from typing import Optional, Tuple, List
 
-from PyCrypCli.context.context import Context
-from PyCrypCli.context.login_context import LoginContext
-from PyCrypCli.context.root_context import RootContext
-from PyCrypCli.exceptions import InvalidWalletFile
-from PyCrypCli.game_objects import Wallet, Device, Service
-from PyCrypCli.util import extract_wallet
+from .context import Context
+from .login_context import LoginContext
+from .root_context import RootContext
+from ..exceptions import InvalidWalletFileError, LoggedOutError
+from ..models import Wallet, Device, Service, Config, ServerConfig, InfoResponse
+from ..util import extract_wallet
 
 
 class MainContext(LoginContext):
     def __init__(self, root_context: RootContext, session_token: str):
         super().__init__(root_context)
 
-        self.username: Optional[str] = None
-        self.user_uuid: Optional[str] = None
-        self.session_token: Optional[str] = session_token
+        self.username: str | None = None
+        self.user_uuid: str | None = None
+        self.session_token: str | None = session_token
 
     @property
     def prompt(self) -> str:
         return f"\033[38;2;53;160;171m[{self.username}]$\033[0m "
 
-    def update_user_info(self):
-        info: dict = self.root_context.client.info()
-        self.username: str = info["name"]
-        self.user_uuid: str = info["uuid"]
+    def update_user_info(self) -> None:
+        info: InfoResponse = self.root_context.client.info()
+        self.username = info.name
+        self.user_uuid = info.uuid
 
-    def loop_tick(self):
+    def loop_tick(self) -> None:
         self.update_user_info()
 
-    def enter_context(self):
+    def enter_context(self) -> None:
         Context.enter_context(self)
 
         self.update_user_info()
@@ -39,27 +38,30 @@ def enter_context(self):
 
         print(f"Logged in as {self.username}.")
 
-    def leave_context(self):
+    def leave_context(self) -> None:
         if self.client.logged_in:
             self.client.logout()
         self.delete_session()
         print("Logged out.")
 
-    def reenter_context(self):
+    def reenter_context(self) -> None:
         Context.reenter_context(self)
 
         self.main_loop_presence()
 
-    def save_session(self):
-        config: dict = self.root_context.read_config_file()
-        config.setdefault("servers", {}).setdefault(self.root_context.host, {})["token"] = self.session_token
+    def save_session(self) -> None:
+        if not self.session_token:
+            raise LoggedOutError
+
+        config: Config = self.root_context.read_config_file()
+        config.servers[self.root_context.host] = ServerConfig(token=self.session_token)
         self.root_context.write_config_file(config)
 
-    def delete_session(self):
+    def delete_session(self) -> None:
         super().delete_session()
         self.session_token = None
 
-    def main_loop_presence(self):
+    def main_loop_presence(self) -> None:
         self.update_presence(
             state=f"Logged in: {self.username}@{self.root_context.host}",
             details="in Cryptic Terminal",
@@ -69,12 +71,12 @@ def main_loop_presence(self):
         )
 
     def extract_wallet(self, content: str) -> Wallet:
-        wallet: Optional[Tuple[str, str]] = extract_wallet(content)
+        wallet: tuple[str, str] | None = extract_wallet(content)
         if wallet is None:
-            raise InvalidWalletFile
+            raise InvalidWalletFileError
         return Wallet.get_wallet(self.client, *wallet)
 
-    def get_hacked_devices(self) -> List[Device]:
+    def get_hacked_devices(self) -> list[Device]:
         return list(
-            {Device.get_device(self.client, service.device) for service in Service.list_part_owner(self.client)},
+            {Device.get_device(self.client, service.device_uuid) for service in Service.list_part_owner(self.client)}
         )
diff --git a/PyCrypCli/context/root_context.py b/PyCrypCli/context/root_context.py
index c808b41..1690190 100644
--- a/PyCrypCli/context/root_context.py
+++ b/PyCrypCli/context/root_context.py
@@ -1,32 +1,34 @@
-import json
-import os
+from __future__ import annotations
+
 import re
-from typing import List, Dict, Type, Optional, TYPE_CHECKING
+from pathlib import Path
+from typing import Type, TYPE_CHECKING
 
 from pypresence import Presence, PyPresenceException
 
-from PyCrypCli.client import Client
-from PyCrypCli.context.context import Context
+from .context import Context
+from ..client import Client
+from ..exceptions import InvalidServerURLError
+from ..models import Config
 
 if TYPE_CHECKING:
-    from PyCrypCli.commands import Command
+    from ..commands import Command
 
 
 class RootContext:
-    def __init__(
-        self,
-        server: str,
-        config_file: List[str],
-        commands: Dict[Type[Context], Dict[str, "Command"]],
-    ):
+    def __init__(self, server: str, config_file: Path, commands: dict[Type[Context], dict[str, Command]]):
         self.client: Client = Client(server)
-        self.host: str = re.match(r"^wss?://(.+)$", server).group(1).split("/")[0]
 
-        self.config_file: List[str] = config_file
+        if not (match := re.match(r"^wss?://(.+)$", server)):
+            raise InvalidServerURLError
+
+        self.host: str = match.group(1).split("/")[0]
+
+        self.config_file: Path = config_file
 
-        self.context_stack: List[Context] = []
+        self.context_stack: list[Context] = []
 
-        self.commands: Dict[Type[Context], Dict[str, "Command"]] = commands
+        self.commands: dict[Type[Context], dict[str, Command]] = commands
 
         try:
             self.presence: Presence = Presence(client_id="596676243144048640")
@@ -34,35 +36,29 @@ def __init__(
         except (PyPresenceException, FileNotFoundError, ConnectionRefusedError):
             self.presence = None
 
-    def open(self, context: "Context"):
+    def open(self, context: Context) -> None:
         self.context_stack.append(context)
         context.enter_context()
 
-    def close(self):
+    def close(self) -> None:
         self.context_stack.pop().leave_context()
         self.get_context().reenter_context()
 
     def get_context(self) -> "Context":
         return self.context_stack[-1]
 
-    def get_override_completions(self) -> Optional[List[str]]:
+    def get_override_completions(self) -> list[str] | None:
         return self.get_context().override_completions
 
-    def get_commands(self) -> Dict[str, "Command"]:
+    def get_commands(self) -> dict[str, Command]:
         return self.commands[type(self.get_context())]
 
-    def read_config_file(self) -> dict:
-        for i in range(1, len(self.config_file)):
-            path: str = os.path.join(*self.config_file[:i])
-            if not os.path.exists(path):
-                os.mkdir(path)
-        path: str = os.path.join(*self.config_file)
-        if not os.path.exists(path):
-            self.write_config_file({"servers": {}})
-        return json.load(open(path))
-
-    def write_config_file(self, config: dict):
-        path: str = os.path.join(*self.config_file)
-        with open(path, "w") as file:
-            json.dump(config, file)
-            file.flush()
+    def read_config_file(self) -> Config:
+        if not self.config_file.exists():
+            self.write_config_file(Config.get_default_config())
+
+        return Config.parse_raw(self.config_file.read_text())
+
+    def write_config_file(self, config: Config) -> None:
+        self.config_file.parent.mkdir(parents=True, exist_ok=True)
+        self.config_file.write_text(config.json())
diff --git a/PyCrypCli/exceptions.py b/PyCrypCli/exceptions.py
index 2ae0c24..80e463c 100644
--- a/PyCrypCli/exceptions.py
+++ b/PyCrypCli/exceptions.py
@@ -1,275 +1,278 @@
 import json
-from typing import Optional
+from typing import Any
 
 
-class CommandRegistrationException(Exception):
+class ClientNotReadyError(Exception):
+    pass
+
+
+class InvalidServerURLError(Exception):
+    pass
+
+
+class CommandRegistrationError(Exception):
     def __init__(self, name: str, subcommand: bool = False):
         super().__init__(f"The {'sub' * subcommand}command {name} has already been registered.")
 
 
-class NoDocStringException(Exception):
+class NoDocStringError(Exception):
     def __init__(self, name: str, subcommand: bool = False):
         super().__init__(f"The {'sub' * subcommand}command {name} is missing a docstring.")
 
 
-class LoggedInException(Exception):
-    def __init__(self):
+class LoggedInError(Exception):
+    def __init__(self) -> None:
         super().__init__("Endpoint cannot be used while client is logged in.")
 
 
-class LoggedOutException(Exception):
-    def __init__(self):
+class LoggedOutError(Exception):
+    def __init__(self) -> None:
         super().__init__("Endpoint can only be used while client is logged in.")
 
 
-class InvalidServerResponseException(Exception):
-    def __init__(self, response: dict):
+class InvalidServerResponseError(Exception):
+    def __init__(self, response: dict[Any, Any]):
         super().__init__("Invalid Server Response: " + json.dumps(response))
 
 
-class InvalidSessionTokenException(Exception):
-    def __init__(self):
+class InvalidSessionTokenError(Exception):
+    def __init__(self) -> None:
         super().__init__("Invalid session token")
 
 
-class WeakPasswordException(Exception):
-    def __init__(self):
+class WeakPasswordError(Exception):
+    def __init__(self) -> None:
         super().__init__("Password is too weak")
 
 
-class UsernameAlreadyExistsException(Exception):
-    def __init__(self):
+class UsernameAlreadyExistsError(Exception):
+    def __init__(self) -> None:
         super().__init__("Username already exists")
 
 
-class InvalidLoginException(Exception):
-    def __init__(self):
+class InvalidLoginError(Exception):
+    def __init__(self) -> None:
         super().__init__("Invalid Login Credentials")
 
 
-class PermissionsDeniedException(Exception):
-    def __init__(self):
-        super().__init__("Permissions Denied")
-
-
-class InvalidWalletFile(Exception):
-    def __init__(self):
+class InvalidWalletFileError(Exception):
+    def __init__(self) -> None:
         super().__init__("Invalid wallet file")
 
 
-class UnknownMicroserviceException(Exception):
+class UnknownMicroserviceError(Exception):
     def __init__(self, ms: str):
         super().__init__("Unknown Microservice: " + ms)
 
 
 class MicroserviceException(Exception):
-    error: str = None
+    error: str | None = None
 
-    def __init__(self, error: Optional[str] = None, args: Optional[list] = None):
+    def __init__(self, error: str | None = None, args: list[Any] | None = None):
         super().__init__(error or "")
         self.error = error
         self.params = args
 
 
-class InternalErrorException(MicroserviceException):
+class InternalError(MicroserviceException):
     error: str = "internal error"
 
 
-class NoResponseTimeoutException(MicroserviceException):
+class NoResponseTimeoutError(MicroserviceException):
     error: str = "no response - timeout"
 
 
-class InvalidRequestException(MicroserviceException):
+class InvalidRequestError(MicroserviceException):
     error: str = "invalid_request"
 
 
-class AlreadyOwnADeviceException(MicroserviceException):
+class AlreadyOwnADeviceError(MicroserviceException):
     error: str = "already_own_a_device"
 
 
-class PermissionDeniedException(MicroserviceException):
+class PermissionDeniedError(MicroserviceException):
     error: str = "permission_denied"
 
 
-class DeviceNotFoundException(MicroserviceException):
+class DeviceNotFoundError(MicroserviceException):
     error: str = "device_not_found"
 
 
-class DevicePoweredOffException(MicroserviceException):
+class DevicePoweredOffError(MicroserviceException):
     error: str = "device_powered_off"
 
 
-class DeviceNotOnlineException(MicroserviceException):
+class DeviceNotOnlineError(MicroserviceException):
     error: str = "device_not_online"
 
 
-class DeviceIsStarterDeviceException(MicroserviceException):
+class DeviceIsStarterDeviceError(MicroserviceException):
     error: str = "device_is_starter_device"
 
 
-class MaximumDevicesReachedException(MicroserviceException):
+class MaximumDevicesReachedError(MicroserviceException):
     error: str = "maximum_devices_reached"
 
 
-class ElementPartNotFoundException(MicroserviceException):
+class ElementPartNotFoundError(MicroserviceException):
     error: str = "element_(.+)_not_found"
 
 
-class PartNotInInventoryException(MicroserviceException):
+class PartNotInInventoryError(MicroserviceException):
     error: str = "(.+)_not_in_inventory"
 
 
-class MissingPartException(MicroserviceException):
+class MissingPartError(MicroserviceException):
     error: str = "missing_(.+)"
 
 
-class IncompatibleCPUSocket(MicroserviceException):
+class IncompatibleCPUSocketError(MicroserviceException):
     error: str = "incompatible_cpu_socket"
 
 
-class NotEnoughRAMSlots(MicroserviceException):
+class NotEnoughRAMSlotsError(MicroserviceException):
     error: str = "not_enough_ram_slots"
 
 
-class IncompatibleRAMTypes(MicroserviceException):
+class IncompatibleRAMTypesError(MicroserviceException):
     error: str = "incompatible_ram_types"
 
 
-class IncompatibleDriverInterface(MicroserviceException):
+class IncompatibleDriverInterfaceError(MicroserviceException):
     error: str = "incompatible_drive_interface"
 
 
-class FileNotFoundException(MicroserviceException):
+class FileNotFoundError(MicroserviceException):
     error: str = "file_not_found"
 
 
-class FileNotChangeableException(MicroserviceException):
+class FileNotChangeableError(MicroserviceException):
     error: str = "file_not_changeable"
 
 
-class FileAlreadyExistsException(MicroserviceException):
+class FileAlreadyExistsError(MicroserviceException):
     error: str = "file_already_exists"
 
 
-class ParentDirectoryNotFound(MicroserviceException):
+class ParentDirectoryNotFoundError(MicroserviceException):
     error: str = "parent_directory_not_found"
 
 
-class CanNotMoveDirIntoItselfException(MicroserviceException):
+class CanNotMoveDirIntoItselfError(MicroserviceException):
     error: str = "can_not_move_dir_into_itself"
 
 
-class DirectoriesCanNotBeUpdatedException(MicroserviceException):
+class DirectoriesCanNotBeUpdatedError(MicroserviceException):
     error: str = "directories_can_not_be_updated"
 
 
-class DirectoryCanNotHaveTextContentException(MicroserviceException):
+class DirectoryCanNotHaveTextContentError(MicroserviceException):
     error: str = "directory_can_not_have_textcontent"
 
 
-class AlreadyOwnAWalletException(MicroserviceException):
+class AlreadyOwnAWalletError(MicroserviceException):
     error: str = "already_own_a_wallet"
 
 
-class UnknownSourceOrDestinationException(MicroserviceException):
+class UnknownSourceOrDestinationError(MicroserviceException):
     error: str = "unknown_source_or_destination"
 
 
-class NotEnoughCoinsException(MicroserviceException):
+class NotEnoughCoinsError(MicroserviceException):
     error: str = "not_enough_coins"
 
 
-class AlreadyOwnThisServiceException(MicroserviceException):
+class AlreadyOwnThisServiceError(MicroserviceException):
     error: str = "already_own_this_service"
 
 
-class ServiceNotSupportedException(MicroserviceException):
+class ServiceNotSupportedError(MicroserviceException):
     error: str = "service_not_supported"
 
 
-class ServiceNotRunningException(MicroserviceException):
+class ServiceNotRunningError(MicroserviceException):
     error: str = "service_not_running"
 
 
-class CannotToggleDirectlyException(MicroserviceException):
+class CannotToggleDirectlyError(MicroserviceException):
     error: str = "cannot_toggle_directly"
 
 
-class CouldNotStartService(MicroserviceException):
+class CouldNotStartServiceError(MicroserviceException):
     error: str = "could_not_start_service"
 
 
-class WalletNotFoundException(MicroserviceException):
+class WalletNotFoundError(MicroserviceException):
     error: str = "wallet_not_found"
 
 
-class MinerNotFoundException(MicroserviceException):
+class MinerNotFoundError(MicroserviceException):
     error: str = "miner_not_found"
 
 
-class ServiceNotFoundException(MicroserviceException):
+class ServiceNotFoundError(MicroserviceException):
     error: str = "service_not_found"
 
 
-class UnknownServiceException(MicroserviceException):
+class UnknownServiceError(MicroserviceException):
     error: str = "unknown_service"
 
 
-class ServiceCannotBeUsedException(MicroserviceException):
+class ServiceCannotBeUsedError(MicroserviceException):
     error: str = "service_cannot_be_used"
 
 
-class CannotDeleteEnforcedServiceException(MicroserviceException):
+class CannotDeleteEnforcedServiceError(MicroserviceException):
     error: str = "cannot_delete_enforced_service"
 
 
-class AttackNotRunningException(MicroserviceException):
+class AttackNotRunningError(MicroserviceException):
     error: str = "attack_not_running"
 
 
-class ItemNotFoundException(MicroserviceException):
+class ItemNotFoundError(MicroserviceException):
     error: str = "item_not_found"
 
 
-class CannotTradeWithYourselfException(MicroserviceException):
+class CannotTradeWithYourselfError(MicroserviceException):
     error: str = "cannot_trade_with_yourself"
 
 
-class UserUUIDDoesNotExistException(MicroserviceException):
+class UserUUIDDoesNotExistError(MicroserviceException):
     error: str = "user_uuid_does_not_exist"
 
 
-class NetworkNotFoundException(MicroserviceException):
+class NetworkNotFoundError(MicroserviceException):
     error: str = "network_not_found"
 
 
-class AlreadyMemberOfNetworkException(MicroserviceException):
+class AlreadyMemberOfNetworkError(MicroserviceException):
     error: str = "already_member_of_network"
 
 
-class InvitationAlreadyExistsException(MicroserviceException):
+class InvitationAlreadyExistsError(MicroserviceException):
     error: str = "invitation_already_exists"
 
 
-class CannotLeaveOwnNetworkException(MicroserviceException):
+class CannotLeaveOwnNetworkError(MicroserviceException):
     error: str = "cannot_leave_own_network"
 
 
-class CannotKickOwnerException(MicroserviceException):
+class CannotKickOwnerError(MicroserviceException):
     error: str = "cannot_kick_owner"
 
 
-class MaximumNetworksReachedException(MicroserviceException):
+class MaximumNetworksReachedError(MicroserviceException):
     error: str = "maximum_networks_reached"
 
 
-class InvalidNameException(MicroserviceException):
+class InvalidNameError(MicroserviceException):
     error: str = "invalid_name"
 
 
-class NameAlreadyInUseException(MicroserviceException):
+class NameAlreadyInUseError(MicroserviceException):
     error: str = "name_already_in_use"
 
 
-class NoPermissionsException(MicroserviceException):
+class NoPermissionsError(MicroserviceException):
     error: str = "no_permissions"
diff --git a/PyCrypCli/game_objects/__init__.py b/PyCrypCli/game_objects/__init__.py
deleted file mode 100644
index 0e9bbe7..0000000
--- a/PyCrypCli/game_objects/__init__.py
+++ /dev/null
@@ -1,34 +0,0 @@
-from PyCrypCli.game_objects.device import Device
-from PyCrypCli.game_objects.device_hardware import DeviceHardware
-from PyCrypCli.game_objects.file import File
-from PyCrypCli.game_objects.game_object import GameObject
-from PyCrypCli.game_objects.inventory_element import InventoryElement
-from PyCrypCli.game_objects.network import Network, NetworkInvitation, NetworkMembership
-from PyCrypCli.game_objects.resource_usage import ResourceUsage
-from PyCrypCli.game_objects.service import Service, PublicService, Miner, BruteforceService, PortscanService
-from PyCrypCli.game_objects.shop import ShopProduct, ShopCategory
-from PyCrypCli.game_objects.transaction import Transaction
-from PyCrypCli.game_objects.wallet import Wallet, PublicWallet
-
-
-__all__ = [
-    "Device",
-    "DeviceHardware",
-    "File",
-    "GameObject",
-    "InventoryElement",
-    "Network",
-    "NetworkMembership",
-    "NetworkInvitation",
-    "ResourceUsage",
-    "Service",
-    "PublicService",
-    "Miner",
-    "BruteforceService",
-    "PortscanService",
-    "ShopProduct",
-    "ShopCategory",
-    "Transaction",
-    "Wallet",
-    "PublicWallet",
-]
diff --git a/PyCrypCli/game_objects/device.py b/PyCrypCli/game_objects/device.py
deleted file mode 100644
index c82f949..0000000
--- a/PyCrypCli/game_objects/device.py
+++ /dev/null
@@ -1,129 +0,0 @@
-from typing import List, Optional
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.device_hardware import DeviceHardware
-from PyCrypCli.game_objects.file import File
-from PyCrypCli.game_objects.game_object import GameObject
-from PyCrypCli.game_objects.network import Network, NetworkInvitation
-from PyCrypCli.game_objects.resource_usage import ResourceUsage
-from PyCrypCli.game_objects.service import PublicService, Service, Miner
-
-
-class Device(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def name(self) -> str:
-        return self._data.get("name")
-
-    @property
-    def owner(self) -> str:
-        return self._data.get("owner")
-
-    @property
-    def powered_on(self) -> bool:
-        return self._data.get("powered_on")
-
-    @staticmethod
-    def get_device(client: Client, device_uuid: str) -> "Device":
-        return Device(client, client.ms("device", ["device", "info"], device_uuid=device_uuid))
-
-    @staticmethod
-    def list_devices(client: Client) -> List["Device"]:
-        return [Device(client, device) for device in client.ms("device", ["device", "all"])["devices"]]
-
-    def update(self):
-        self._update(Device.get_device(self._client, self.uuid))
-
-    @staticmethod
-    def build(client: Client, mainboard: str, cpu: str, gpu: str, ram: List[str], disk: List[str]) -> "Device":
-        return Device(
-            client,
-            client.ms("device", ["device", "create"], motherboard=mainboard, cpu=cpu, gpu=gpu, ram=ram, disk=disk),
-        )
-
-    @staticmethod
-    def starter_device(client: Client) -> "Device":
-        return Device(client, client.ms("device", ["device", "starter_device"]))
-
-    @staticmethod
-    def spot(client: Client) -> "Device":
-        return Device(client, client.ms("device", ["device", "spot"]))
-
-    def power(self):
-        self._update(self._ms("device", ["device", "power"], device_uuid=self.uuid))
-
-    def change_name(self, name: str):
-        self._update(self._ms("device", ["device", "change_name"], device_uuid=self.uuid, name=name))
-
-    def delete(self):
-        self._ms("device", ["device", "delete"], device_uuid=self.uuid)
-
-    def get_files(self, parent_dir_uuid: Optional[str]) -> List[File]:
-        return [
-            File(self._client, file)
-            for file in self._ms("device", ["file", "all"], device_uuid=self.uuid, parent_dir_uuid=parent_dir_uuid)[
-                "files"
-            ]
-        ]
-
-    def get_file(self, file_uuid: str) -> File:
-        return File.get_file(self._client, self.uuid, file_uuid)
-
-    def create_file(self, filename: str, content: str, is_directory: bool, parent_dir_uuid: Optional[str]) -> File:
-        return File(
-            self._client,
-            self._ms(
-                "device",
-                ["file", "create"],
-                device_uuid=self.uuid,
-                filename=filename,
-                content=content,
-                is_directory=is_directory,
-                parent_dir_uuid=parent_dir_uuid,
-            ),
-        )
-
-    def get_public_service(self, service_uuid: str) -> PublicService:
-        return PublicService.get_public_service(self._client, self.uuid, service_uuid)
-
-    def get_services(self) -> List[Service]:
-        return Service.get_services(self._client, self.uuid)
-
-    def get_service(self, service_uuid: str) -> Service:
-        return Service.get_service(self._client, self.uuid, service_uuid)
-
-    def get_service_by_name(self, service: str) -> Service:
-        return Service.get_service_by_name(self._client, self.uuid, service)
-
-    def get_miner(self) -> Miner:
-        return Miner.get_miner(self._client, self.uuid)
-
-    def create_service(self, name: str, **extra) -> Service:
-        return Service(self._client, self._ms("service", ["create"], name=name, device_uuid=self.uuid, **extra))
-
-    def part_owner(self) -> bool:
-        return self._ms("service", ["part_owner"], device_uuid=self.uuid)["ok"]
-
-    def get_hardware(self) -> List[DeviceHardware]:
-        return [
-            DeviceHardware(self._client, dh)
-            for dh in self._ms("device", ["device", "info"], device_uuid=self.uuid)["hardware"]
-        ]
-
-    def get_resource_usage(self) -> ResourceUsage:
-        return ResourceUsage(self._client, self._ms("device", ["hardware", "resources"], device_uuid=self.uuid))
-
-    def get_networks(self) -> List[Network]:
-        return [Network(self._client, net) for net in self._ms("network", ["member"], device=self.uuid)["networks"]]
-
-    def create_network(self, name: str, hidden: bool) -> Network:
-        return Network(self._client, self._ms("network", ["create"], device=self.uuid, name=name, hidden=hidden))
-
-    def get_network_invitations(self) -> List[NetworkInvitation]:
-        return [
-            NetworkInvitation(self._client, invitation)
-            for invitation in self._ms("network", ["invitations"], device=self.uuid)["invitations"]
-        ]
diff --git a/PyCrypCli/game_objects/device_hardware.py b/PyCrypCli/game_objects/device_hardware.py
deleted file mode 100644
index 59e8cec..0000000
--- a/PyCrypCli/game_objects/device_hardware.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class DeviceHardware(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def device(self) -> str:
-        return self._data.get("device_uuid")
-
-    @property
-    def hardware_element(self) -> str:
-        return self._data.get("hardware_element")
-
-    @property
-    def hardware_type(self) -> str:
-        return self._data.get("hardware_type")
diff --git a/PyCrypCli/game_objects/file.py b/PyCrypCli/game_objects/file.py
deleted file mode 100644
index a89d405..0000000
--- a/PyCrypCli/game_objects/file.py
+++ /dev/null
@@ -1,61 +0,0 @@
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class File(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def device(self) -> str:
-        return self._data.get("device")
-
-    @property
-    def filename(self) -> str:
-        return self._data.get("filename")
-
-    @property
-    def content(self) -> str:
-        return self._data.get("content")
-
-    @property
-    def is_directory(self) -> bool:
-        return self._data.get("is_directory")
-
-    @property
-    def parent_dir_uuid(self) -> str:
-        return self._data.get("parent_dir_uuid")
-
-    @staticmethod
-    def get_file(client: Client, device_uuid: str, file_uuid: str) -> "File":
-        return File(client, client.ms("device", ["file", "info"], device_uuid=device_uuid, file_uuid=file_uuid))
-
-    def update(self):
-        self._update(File.get_file(self._client, self.device, self.uuid))
-
-    def move(self, new_filename: str, new_parent_dir_uuid: str):
-        self._update(
-            self._ms(
-                "device",
-                ["file", "move"],
-                device_uuid=self.device,
-                file_uuid=self.uuid,
-                new_filename=new_filename,
-                new_parent_dir_uuid=new_parent_dir_uuid,
-            ),
-        )
-
-    def edit(self, new_content: str):
-        self._update(
-            self._ms(
-                "device",
-                ["file", "update"],
-                device_uuid=self.device,
-                file_uuid=self.uuid,
-                content=new_content,
-            ),
-        )
-
-    def delete(self):
-        self._ms("device", ["file", "delete"], device_uuid=self.device, file_uuid=self.uuid)
diff --git a/PyCrypCli/game_objects/game_object.py b/PyCrypCli/game_objects/game_object.py
deleted file mode 100644
index d53c039..0000000
--- a/PyCrypCli/game_objects/game_object.py
+++ /dev/null
@@ -1,36 +0,0 @@
-from typing import List, Union, Type, TypeVar
-
-from PyCrypCli.client import Client
-
-T = TypeVar("T")
-
-
-class GameObject:
-    def __init__(self, client: Client, data: dict):
-        self._client: Client = client
-        self._data: dict = data
-
-    def __repr__(self):
-        out: str = self.__class__.__name__ + "("
-        members = []
-        for key in dir(self):
-            if key.startswith("_"):
-                continue
-            value = getattr(self, key)
-            if not callable(value):
-                members.append(f"{key}={repr(value)}")
-        out += ", ".join(members)
-        out += ")"
-        return out
-
-    def _ms(self, microservice: str, endpoint: List[str], **data) -> dict:
-        return self._client.ms(microservice, endpoint, **data)
-
-    def _update(self, data: Union["GameObject", dict]):
-        self._data.update(data if isinstance(data, dict) else data._data)
-
-    def update(self):
-        pass
-
-    def clone(self, cls: Type[T]) -> T:
-        return cls(self._client, self._data)
diff --git a/PyCrypCli/game_objects/inventory_element.py b/PyCrypCli/game_objects/inventory_element.py
deleted file mode 100644
index 1f2cb01..0000000
--- a/PyCrypCli/game_objects/inventory_element.py
+++ /dev/null
@@ -1,31 +0,0 @@
-from typing import List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class InventoryElement(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("element_uuid")
-
-    @property
-    def name(self) -> str:
-        return self._data.get("element_name")
-
-    @property
-    def related_ms(self) -> str:
-        return self._data.get("related_ms")
-
-    @property
-    def owner(self) -> str:
-        return self._data.get("owner")
-
-    @staticmethod
-    def list_inventory(client: Client) -> List["InventoryElement"]:
-        return [
-            InventoryElement(client, element) for element in client.ms("inventory", ["inventory", "list"])["elements"]
-        ]
-
-    def trade(self, target: str):
-        self._ms("inventory", ["inventory", "trade"], element_uuid=self.uuid, target=target)
diff --git a/PyCrypCli/game_objects/network/__init__.py b/PyCrypCli/game_objects/network/__init__.py
deleted file mode 100644
index 7b12e16..0000000
--- a/PyCrypCli/game_objects/network/__init__.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from PyCrypCli.game_objects.network.network import Network
-from PyCrypCli.game_objects.network.network_invitation import NetworkInvitation
-from PyCrypCli.game_objects.network.network_membership import NetworkMembership
-
-__all__ = ["Network", "NetworkInvitation", "NetworkMembership"]
diff --git a/PyCrypCli/game_objects/network/network.py b/PyCrypCli/game_objects/network/network.py
deleted file mode 100644
index 6d8ff5b..0000000
--- a/PyCrypCli/game_objects/network/network.py
+++ /dev/null
@@ -1,66 +0,0 @@
-from typing import List, TYPE_CHECKING
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-from PyCrypCli.game_objects.network.network_invitation import NetworkInvitation
-from PyCrypCli.game_objects.network.network_membership import NetworkMembership
-
-if TYPE_CHECKING:
-    from PyCrypCli.game_objects.device import Device
-
-
-class Network(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def hidden(self) -> bool:
-        return self._data.get("hidden")
-
-    @property
-    def owner(self) -> str:
-        return self._data.get("owner")
-
-    @property
-    def name(self) -> str:
-        return self._data.get("name")
-
-    @staticmethod
-    def get_public_networks(client: Client) -> List["Network"]:
-        return [Network(client, net) for net in client.ms("network", ["public"])["networks"]]
-
-    @staticmethod
-    def get_by_uuid(client: Client, uuid: str) -> "Network":
-        return Network(client, client.ms("network", ["get"], uuid=uuid))
-
-    @staticmethod
-    def get_network_by_name(client: Client, name: str) -> "Network":
-        return Network(client, client.ms("network", ["name"], name=name))
-
-    def get_members(self) -> List[NetworkMembership]:
-        return [
-            NetworkMembership(self._client, member)
-            for member in self._ms("network", ["members"], uuid=self.uuid)["members"]
-        ]
-
-    def request_membership(self, device: "Device") -> NetworkInvitation:
-        return NetworkInvitation(self._client, self._ms("network", ["request"], uuid=self.uuid, device=device.uuid))
-
-    def get_membership_requests(self) -> List[NetworkInvitation]:
-        return [
-            NetworkInvitation(self._client, invitation)
-            for invitation in self._ms("network", ["requests"], uuid=self.uuid)["requests"]
-        ]
-
-    def invite_device(self, device: "Device") -> NetworkInvitation:
-        return NetworkInvitation(self._client, self._ms("network", ["invite"], uuid=self.uuid, device=device.uuid))
-
-    def leave(self, device: "Device"):
-        self._ms("network", ["leave"], uuid=self.uuid, device=device.uuid)
-
-    def kick(self, device: "Device"):
-        self._ms("network", ["kick"], uuid=self.uuid, device=device.uuid)
-
-    def delete(self):
-        self._ms("network", ["delete"], uuid=self.uuid)
diff --git a/PyCrypCli/game_objects/network/network_invitation.py b/PyCrypCli/game_objects/network/network_invitation.py
deleted file mode 100644
index e845d75..0000000
--- a/PyCrypCli/game_objects/network/network_invitation.py
+++ /dev/null
@@ -1,25 +0,0 @@
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class NetworkInvitation(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def network(self) -> str:
-        return self._data.get("network")
-
-    @property
-    def device(self) -> str:
-        return self._data.get("device")
-
-    @property
-    def request(self) -> bool:
-        return self._data.get("request")
-
-    def accept(self):
-        self._ms("network", ["accept"], uuid=self.uuid)
-
-    def deny(self):
-        self._ms("network", ["deny"], uuid=self.uuid)
diff --git a/PyCrypCli/game_objects/network/network_membership.py b/PyCrypCli/game_objects/network/network_membership.py
deleted file mode 100644
index db24098..0000000
--- a/PyCrypCli/game_objects/network/network_membership.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class NetworkMembership(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def network(self) -> str:
-        return self._data.get("network")
-
-    @property
-    def device(self) -> str:
-        return self._data.get("device")
diff --git a/PyCrypCli/game_objects/resource_usage.py b/PyCrypCli/game_objects/resource_usage.py
deleted file mode 100644
index b00e763..0000000
--- a/PyCrypCli/game_objects/resource_usage.py
+++ /dev/null
@@ -1,23 +0,0 @@
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class ResourceUsage(GameObject):
-    @property
-    def cpu(self) -> float:
-        return min(1, self._data["usage_cpu"] / self._data["performance_cpu"])
-
-    @property
-    def ram(self) -> float:
-        return min(1, self._data["usage_ram"] / self._data["performance_ram"])
-
-    @property
-    def gpu(self) -> float:
-        return min(1, self._data["usage_gpu"] / self._data["performance_gpu"])
-
-    @property
-    def disk(self) -> float:
-        return min(1, self._data["usage_disk"] / self._data["performance_disk"])
-
-    @property
-    def network(self) -> float:
-        return min(1, self._data["usage_network"] / self._data["performance_network"])
diff --git a/PyCrypCli/game_objects/service/__init__.py b/PyCrypCli/game_objects/service/__init__.py
deleted file mode 100644
index b3f9249..0000000
--- a/PyCrypCli/game_objects/service/__init__.py
+++ /dev/null
@@ -1,7 +0,0 @@
-from PyCrypCli.game_objects.service.public_service import PublicService
-from PyCrypCli.game_objects.service.service import Service
-from PyCrypCli.game_objects.service.bruteforce_service import BruteforceService
-from PyCrypCli.game_objects.service.miner import Miner
-from PyCrypCli.game_objects.service.portscan_service import PortscanService
-
-__all__ = ["PublicService", "Service", "BruteforceService", "Miner", "PortscanService"]
diff --git a/PyCrypCli/game_objects/service/bruteforce_service.py b/PyCrypCli/game_objects/service/bruteforce_service.py
deleted file mode 100644
index f4312ab..0000000
--- a/PyCrypCli/game_objects/service/bruteforce_service.py
+++ /dev/null
@@ -1,60 +0,0 @@
-from datetime import datetime
-from typing import Optional, Tuple
-
-from PyCrypCli.client import Client
-from PyCrypCli.exceptions import AttackNotRunningException
-from PyCrypCli.game_objects.service.service import Service
-
-
-class BruteforceService(Service):
-    @property
-    def target_device(self) -> Optional[str]:
-        return self._data.get("target_device")
-
-    @property
-    def target_service(self) -> Optional[str]:
-        return self._data.get("target_service")
-
-    @property
-    def started(self) -> Optional[datetime]:
-        timestamp: Optional[int] = self._data.get("started")
-        if timestamp is None:
-            return None
-
-        return datetime.fromtimestamp(timestamp)
-
-    @property
-    def progress(self) -> Optional[float]:
-        return self._data.get("progress")
-
-    @staticmethod
-    def get_bruteforce_service(client: Client, device_uuid: str) -> "BruteforceService":
-        service: BruteforceService = Service.get_service_by_name(client, device_uuid, "bruteforce").clone(
-            BruteforceService,
-        )
-        service._update(service.get_bruteforce_details())
-        return service
-
-    def get_bruteforce_details(self) -> dict:
-        try:
-            return self._ms("service", ["bruteforce", "status"], device_uuid=self.device, service_uuid=self.uuid)
-        except AttackNotRunningException:
-            return {}
-
-    def update(self):
-        self._update(BruteforceService.get_bruteforce_service(self._client, self.device))
-
-    def attack(self, target_device: str, target_service: str):
-        self._ms(
-            "service",
-            ["bruteforce", "attack"],
-            device_uuid=self.device,
-            service_uuid=self.uuid,
-            target_device=target_device,
-            target_service=target_service,
-        )
-
-    def stop(self) -> Tuple[bool, float, str]:
-        result = self._ms("service", ["bruteforce", "stop"], device_uuid=self.device, service_uuid=self.uuid)
-        self.update()
-        return result["access"], result["progress"], result["target_device"]
diff --git a/PyCrypCli/game_objects/service/miner.py b/PyCrypCli/game_objects/service/miner.py
deleted file mode 100644
index 7c60d38..0000000
--- a/PyCrypCli/game_objects/service/miner.py
+++ /dev/null
@@ -1,50 +0,0 @@
-from datetime import datetime
-from typing import Optional, List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.service.service import Service
-
-
-class Miner(Service):
-    @property
-    def wallet(self) -> Optional[str]:
-        return self._data.get("wallet")
-
-    @property
-    def started(self) -> Optional[datetime]:
-        timestamp: Optional[int] = self._data.get("started")
-        if timestamp is None:
-            return None
-
-        return datetime.fromtimestamp(timestamp / 1000)
-
-    @property
-    def power(self) -> Optional[float]:
-        return self._data.get("power")
-
-    @staticmethod
-    def get_miner(client: Client, device_uuid: str) -> "Miner":
-        miner: Miner = Service.get_service_by_name(client, device_uuid, "miner").clone(Miner)
-        miner._update(miner.get_miner_details())
-        return miner
-
-    @staticmethod
-    def get_miners(client: Client, wallet_uuid: str) -> List["Miner"]:
-        return [
-            Miner(client, {**miner["service"], **miner["miner"]})
-            for miner in client.ms("service", ["miner", "list"], wallet_uuid=wallet_uuid)["miners"]
-        ]
-
-    def get_miner_details(self) -> dict:
-        return self._ms("service", ["miner", "get"], service_uuid=self.uuid)
-
-    def update(self):
-        self._update(Miner.get_miner(self._client, self.device))
-
-    def set_power(self, power: float):
-        self._ms("service", ["miner", "power"], service_uuid=self.uuid, power=power)
-        self.update()
-
-    def set_wallet(self, wallet_uuid: str):
-        self._ms("service", ["miner", "wallet"], service_uuid=self.uuid, wallet_uuid=wallet_uuid)
-        self.update()
diff --git a/PyCrypCli/game_objects/service/portscan_service.py b/PyCrypCli/game_objects/service/portscan_service.py
deleted file mode 100644
index a8c1016..0000000
--- a/PyCrypCli/game_objects/service/portscan_service.py
+++ /dev/null
@@ -1,17 +0,0 @@
-from typing import List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.service.public_service import PublicService
-from PyCrypCli.game_objects.service.service import Service
-
-
-class PortscanService(Service):
-    @staticmethod
-    def get_portscan_service(client: Client, device_uuid: str) -> "PortscanService":
-        return Service.get_service_by_name(client, device_uuid, "portscan").clone(PortscanService)
-
-    def update(self):
-        self._update(PortscanService.get_portscan_service(self._client, self.device))
-
-    def scan(self, target: str) -> List[PublicService]:
-        return [PublicService(self._client, service) for service in self.use(target_device=target)["services"]]
diff --git a/PyCrypCli/game_objects/service/public_service.py b/PyCrypCli/game_objects/service/public_service.py
deleted file mode 100644
index 57595c9..0000000
--- a/PyCrypCli/game_objects/service/public_service.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class PublicService(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("uuid")
-
-    @property
-    def device(self) -> str:
-        return self._data.get("device")
-
-    @property
-    def name(self) -> str:
-        return self._data.get("name")
-
-    @property
-    def running_port(self) -> int:
-        return self._data.get("running_port")
-
-    @staticmethod
-    def get_public_service(client: Client, device_uuid: str, service_uuid: str) -> "PublicService":
-        return PublicService(
-            client,
-            client.ms("service", ["public_info"], device_uuid=device_uuid, service_uuid=service_uuid),
-        )
-
-    def update(self):
-        self._update(PublicService.get_public_service(self._client, self.device, self.uuid))
diff --git a/PyCrypCli/game_objects/service/service.py b/PyCrypCli/game_objects/service/service.py
deleted file mode 100644
index ca17700..0000000
--- a/PyCrypCli/game_objects/service/service.py
+++ /dev/null
@@ -1,60 +0,0 @@
-from typing import List
-
-from PyCrypCli.exceptions import ServiceNotFoundException
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.service.public_service import PublicService
-
-
-class Service(PublicService):
-    @property
-    def owner(self) -> str:
-        return self._data.get("owner")
-
-    @property
-    def running(self) -> bool:
-        return self._data.get("running")
-
-    @property
-    def part_owner(self) -> str:
-        return self._data.get("part_owner")
-
-    @property
-    def speed(self) -> float:
-        return self._data.get("speed")
-
-    @staticmethod
-    def get_services(client: Client, device_uuid: str) -> List["Service"]:
-        return [
-            Service(client, service) for service in client.ms("service", ["list"], device_uuid=device_uuid)["services"]
-        ]
-
-    @staticmethod
-    def get_service(client: Client, device_uuid: str, service_uuid: str) -> "Service":
-        return Service(
-            client,
-            client.ms("service", ["private_info"], device_uuid=device_uuid, service_uuid=service_uuid),
-        )
-
-    @staticmethod
-    def get_service_by_name(client: Client, device_uuid: str, name: str) -> "Service":
-        for service in Service.get_services(client, device_uuid):
-            if service.name == name:
-                return service
-        raise ServiceNotFoundException
-
-    @staticmethod
-    def list_part_owner(client: Client) -> List["Service"]:
-        return [Service(client, service) for service in client.ms("service", ["list_part_owner"])["services"]]
-
-    def update(self):
-        self._update(Service.get_service(self._client, self.device, self.uuid))
-
-    def use(self, **data) -> dict:
-        return self._ms("service", ["use"], device_uuid=self.device, service_uuid=self.uuid, **data)
-
-    def toggle(self):
-        self._update(self._ms("service", ["toggle"], device_uuid=self.device, service_uuid=self.uuid))
-
-    def delete(self):
-        self._ms("service", ["delete"], device_uuid=self.device, service_uuid=self.uuid)
diff --git a/PyCrypCli/game_objects/shop/__init__.py b/PyCrypCli/game_objects/shop/__init__.py
deleted file mode 100644
index 46b7bc0..0000000
--- a/PyCrypCli/game_objects/shop/__init__.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from PyCrypCli.game_objects.shop.shop_category import ShopCategory
-from PyCrypCli.game_objects.shop.shop_product import ShopProduct
-
-
-__all__ = ["ShopProduct", "ShopCategory"]
diff --git a/PyCrypCli/game_objects/shop/shop_category.py b/PyCrypCli/game_objects/shop/shop_category.py
deleted file mode 100644
index a41118d..0000000
--- a/PyCrypCli/game_objects/shop/shop_category.py
+++ /dev/null
@@ -1,34 +0,0 @@
-from typing import List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-from PyCrypCli.game_objects.shop.shop_product import ShopProduct
-
-
-class ShopCategory(GameObject):
-    @property
-    def name(self) -> str:
-        return self._data.get("name")
-
-    @property
-    def index(self) -> int:
-        return self._data.get("index")
-
-    @property
-    def items(self) -> List[ShopProduct]:
-        return [ShopProduct(self._client, {"name": k, **v}) for k, v in self._data.get("items").items()]
-
-    @property
-    def subcategories(self) -> List["ShopCategory"]:
-        out = [ShopCategory(self._client, {"name": k, **v}) for k, v in self._data.get("categories").items()]
-        out.sort(key=lambda c: c.index)
-        return out
-
-    @staticmethod
-    def shop_list(client: Client) -> List["ShopCategory"]:
-        out = [
-            ShopCategory(client, {"name": k, **v})
-            for k, v in client.ms("inventory", ["shop", "list"])["categories"].items()
-        ]
-        out.sort(key=lambda c: c.index)
-        return out
diff --git a/PyCrypCli/game_objects/shop/shop_product.py b/PyCrypCli/game_objects/shop/shop_product.py
deleted file mode 100644
index 4ca5f07..0000000
--- a/PyCrypCli/game_objects/shop/shop_product.py
+++ /dev/null
@@ -1,40 +0,0 @@
-from typing import Dict, List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-from PyCrypCli.game_objects.inventory_element import InventoryElement
-from PyCrypCli.game_objects.wallet import Wallet
-
-
-class ShopProduct(GameObject):
-    @property
-    def name(self) -> str:
-        return self._data.get("name")
-
-    @property
-    def price(self) -> int:
-        return self._data.get("price")
-
-    @property
-    def related_ms(self) -> str:
-        return self._data.get("related_ms")
-
-    @staticmethod
-    def shop_info(client: Client, product: str) -> "ShopProduct":
-        return ShopProduct(client, client.ms("inventory", ["shop", "info"], product=product))
-
-    @staticmethod
-    def bulk_buy(client: Client, products: Dict["ShopProduct", int], wallet: Wallet) -> List[InventoryElement]:
-        return [
-            InventoryElement(client, element)
-            for element in client.ms(
-                "inventory",
-                ["shop", "buy"],
-                products={k.name: v for k, v in products.items()},
-                wallet_uuid=wallet.uuid,
-                key=wallet.key,
-            )["bought_products"]
-        ]
-
-    def buy(self, wallet: Wallet) -> InventoryElement:
-        return ShopProduct.bulk_buy(self._client, {self: 1}, wallet)[0]
diff --git a/PyCrypCli/game_objects/transaction.py b/PyCrypCli/game_objects/transaction.py
deleted file mode 100644
index 31ac81f..0000000
--- a/PyCrypCli/game_objects/transaction.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from datetime import datetime
-
-from PyCrypCli.game_objects.game_object import GameObject
-from PyCrypCli.util import convert_timestamp
-
-
-class Transaction(GameObject):
-    @property
-    def timestamp(self) -> datetime:
-        return convert_timestamp(datetime.fromisoformat(self._data.get("time_stamp")))
-
-    @property
-    def source_uuid(self) -> str:
-        return self._data.get("source_uuid")
-
-    @property
-    def destination_uuid(self) -> str:
-        return self._data.get("destination_uuid")
-
-    @property
-    def amount(self) -> int:
-        return self._data.get("send_amount")
-
-    @property
-    def usage(self) -> str:
-        return self._data.get("usage")
-
-    @property
-    def origin(self) -> int:
-        return self._data.get("origin")
diff --git a/PyCrypCli/game_objects/wallet/__init__.py b/PyCrypCli/game_objects/wallet/__init__.py
deleted file mode 100644
index d182936..0000000
--- a/PyCrypCli/game_objects/wallet/__init__.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from PyCrypCli.game_objects.wallet.public_wallet import PublicWallet
-from PyCrypCli.game_objects.wallet.wallet import Wallet
-
-
-__all__ = ["Wallet", "PublicWallet"]
diff --git a/PyCrypCli/game_objects/wallet/public_wallet.py b/PyCrypCli/game_objects/wallet/public_wallet.py
deleted file mode 100644
index ce33d0d..0000000
--- a/PyCrypCli/game_objects/wallet/public_wallet.py
+++ /dev/null
@@ -1,21 +0,0 @@
-from typing import List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.game_object import GameObject
-
-
-class PublicWallet(GameObject):
-    @property
-    def uuid(self) -> str:
-        return self._data.get("source_uuid")
-
-    @staticmethod
-    def get_public_wallet(client: Client, uuid: str) -> "PublicWallet":
-        return PublicWallet(client, {"source_uuid": uuid})
-
-    @staticmethod
-    def list_wallets(client: Client) -> List["PublicWallet"]:
-        return [PublicWallet.get_public_wallet(client, uuid) for uuid in client.ms("currency", ["list"])["wallets"]]
-
-    def reset_wallet(self):
-        self._ms("currency", ["reset"], source_uuid=self.uuid)
diff --git a/PyCrypCli/game_objects/wallet/wallet.py b/PyCrypCli/game_objects/wallet/wallet.py
deleted file mode 100644
index b409a35..0000000
--- a/PyCrypCli/game_objects/wallet/wallet.py
+++ /dev/null
@@ -1,69 +0,0 @@
-from typing import List
-
-from PyCrypCli.client import Client
-from PyCrypCli.game_objects.transaction import Transaction
-from PyCrypCli.game_objects.wallet.public_wallet import PublicWallet
-from PyCrypCli.game_objects.service import Miner
-
-
-class Wallet(PublicWallet):
-    @property
-    def key(self) -> str:
-        return self._data.get("key")
-
-    @property
-    def user(self) -> str:
-        return self._data.get("user_uuid")
-
-    @property
-    def amount(self) -> int:
-        return self._data.get("amount")
-
-    @property
-    def transactions(self) -> int:
-        return self._data.get("transactions")
-
-    @staticmethod
-    def create_wallet(client: Client) -> "Wallet":
-        return Wallet(client, client.ms("currency", ["create"]))
-
-    @staticmethod
-    def get_wallet(client: Client, uuid: str, key: str) -> "Wallet":
-        return Wallet(client, client.ms("currency", ["get"], source_uuid=uuid, key=key))
-
-    def update(self):
-        self._update(Wallet.get_wallet(self._client, self.uuid, self.key))
-
-    def get_transactions(self, count: int, offset: int) -> List[Transaction]:
-        return [
-            Transaction(self._client, t)
-            for t in self._ms(
-                "currency",
-                ["transactions"],
-                source_uuid=self.uuid,
-                key=self.key,
-                count=count,
-                offset=offset,
-            )["transactions"]
-        ]
-
-    def get_miners(self) -> List[Miner]:
-        return Miner.get_miners(self._client, self.uuid)
-
-    def get_mining_rate(self) -> float:
-        return sum(miner.speed for miner in self.get_miners() if miner.running)
-
-    def send(self, destination: PublicWallet, amount: int, usage: str):
-        self._ms(
-            "currency",
-            ["send"],
-            source_uuid=self.uuid,
-            key=self.key,
-            send_amount=amount,
-            destination_uuid=destination.uuid,
-            usage=usage,
-        )
-        self.update()
-
-    def delete(self):
-        self._ms("currency", ["delete"], source_uuid=self.uuid, key=self.key)
diff --git a/PyCrypCli/models/__init__.py b/PyCrypCli/models/__init__.py
new file mode 100644
index 0000000..2fb4f11
--- /dev/null
+++ b/PyCrypCli/models/__init__.py
@@ -0,0 +1,41 @@
+from .config import Config, ServerConfig
+from .device import Device
+from .device_hardware import DeviceHardware
+from .file import File
+from .hardware_config import HardwareConfig
+from .inventory_element import InventoryElement
+from .model import Model
+from .network import Network, NetworkInvitation, NetworkMembership
+from .resource_usage import ResourceUsage
+from .server_responses import StatusResponse, InfoResponse, TokenResponse
+from .service import Service, PublicService, Miner, BruteforceService, PortscanService
+from .shop import ShopProduct, ShopCategory
+from .wallet import Wallet, PublicWallet, Transaction
+
+__all__ = [
+    "Config",
+    "ServerConfig",
+    "Device",
+    "DeviceHardware",
+    "File",
+    "HardwareConfig",
+    "InventoryElement",
+    "Model",
+    "Network",
+    "NetworkInvitation",
+    "NetworkMembership",
+    "ResourceUsage",
+    "StatusResponse",
+    "InfoResponse",
+    "TokenResponse",
+    "Service",
+    "PublicService",
+    "Miner",
+    "BruteforceService",
+    "PortscanService",
+    "ShopProduct",
+    "ShopCategory",
+    "Wallet",
+    "PublicWallet",
+    "Transaction",
+]
diff --git a/PyCrypCli/models/config.py b/PyCrypCli/models/config.py
new file mode 100644
index 0000000..3ef61ab
--- /dev/null
+++ b/PyCrypCli/models/config.py
@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+from pydantic import BaseModel
+
+
+class ServerConfig(BaseModel):
+    token: str | None
+
+
+class Config(BaseModel):
+    servers: dict[str, ServerConfig]
+
+    @staticmethod
+    def get_default_config() -> Config:
+        return Config(servers={})
diff --git a/PyCrypCli/models/device.py b/PyCrypCli/models/device.py
new file mode 100644
index 0000000..30074ee
--- /dev/null
+++ b/PyCrypCli/models/device.py
@@ -0,0 +1,129 @@
+from __future__ import annotations
+
+from typing import Any, cast, TYPE_CHECKING
+
+from pydantic import Field
+
+from .device_hardware import DeviceHardware
+from .file import File
+from .model import Model
+from .network import Network, NetworkInvitation
+from .resource_usage import ResourceUsage
+from .service import PublicService, Service, Miner
+
+if TYPE_CHECKING:
+    from ..client import Client
+
+
+class Device(Model):
+    uuid: str
+    name: str
+    owner_uuid: str = Field(alias="owner")
+    powered_on: bool
+
+    def __hash__(self) -> int:
+        return hash(self.uuid)
+
+    @staticmethod
+    def get_device(client: Client, device_uuid: str) -> Device:
+        return Device.parse(client, client.ms("device", ["device", "info"], device_uuid=device_uuid))
+
+    @staticmethod
+    def list_devices(client: Client) -> list[Device]:
+        return [Device.parse(client, device) for device in client.ms("device", ["device", "all"])["devices"]]
+
+    def update(self) -> Device:
+        return self._update(Device.get_device(self._client, self.uuid))
+
+    @staticmethod
+    def build(client: Client, mainboard: str, cpu: str, gpu: str, ram: list[str], disk: list[str]) -> Device:
+        return Device.parse(
+            client,
+            client.ms("device", ["device", "create"], motherboard=mainboard, cpu=cpu, gpu=gpu, ram=ram, disk=disk),
+        )
+
+    @staticmethod
+    def starter_device(client: Client) -> Device:
+        return Device.parse(client, client.ms("device", ["device", "starter_device"]))
+
+    @staticmethod
+    def spot(client: Client) -> Device:
+        return Device.parse(client, client.ms("device", ["device", "spot"]))
+
+    def power(self) -> Device:
+        return self._update(self._ms("device", ["device", "power"], device_uuid=self.uuid))
+
+    def change_name(self, name: str) -> Device:
+        return self._update(self._ms("device", ["device", "change_name"], device_uuid=self.uuid, name=name))
+
+    def delete(self) -> None:
+        self._ms("device", ["device", "delete"], device_uuid=self.uuid)
+
+    def get_files(self, parent_dir_uuid: str | None) -> list[File]:
+        return [
+            File.parse(self._client, file)
+            for file in self._ms("device", ["file", "all"], device_uuid=self.uuid, parent_dir_uuid=parent_dir_uuid)[
+                "files"
+            ]
+        ]
+
+    def get_file(self, file_uuid: str) -> File:
+        return File.get_file(self._client, self.uuid, file_uuid)
+
+    def create_file(self, filename: str, content: str, is_directory: bool, parent_dir_uuid: str | None) -> File:
+        return File.parse(
+            self._client,
+            self._ms(
+                "device",
+                ["file", "create"],
+                device_uuid=self.uuid,
+                filename=filename,
+                content=content,
+                is_directory=is_directory,
+                parent_dir_uuid=parent_dir_uuid,
+            ),
+        )
+
+    def get_public_service(self, service_uuid: str) -> PublicService:
+        return PublicService.get_public_service(self._client, self.uuid, service_uuid)
+
+    def get_services(self) -> list[Service]:
+        return Service.get_services(self._client, self.uuid)
+
+    def get_service(self, service_uuid: str) -> Service:
+        return Service.get_service(self._client, self.uuid, service_uuid)
+
+    def get_service_by_name(self, service: str) -> Service:
+        return Service.get_service_by_name(self._client, self.uuid, service)
+
+    def get_miner(self) -> Miner:
+        return Miner.get_miner(self._client, self.uuid)
+
+    def create_service(self, name: str, **extra: Any) -> Service:
+        return Service.parse(self._client, self._ms("service", ["create"], name=name, device_uuid=self.uuid, **extra))
+
+    def part_owner(self) -> bool:
+        return cast(bool, self._ms("service", ["part_owner"], device_uuid=self.uuid)["ok"])
+
+    def get_hardware(self) -> list[DeviceHardware]:
+        return [
+            DeviceHardware.parse(self._client, dh)
+            for dh in self._ms("device", ["device", "info"], device_uuid=self.uuid)["hardware"]
+        ]
+
+    def get_resource_usage(self) -> ResourceUsage:
+        return ResourceUsage.parse(self._client, self._ms("device", ["hardware", "resources"], device_uuid=self.uuid))
+
+    def get_networks(self) -> list[Network]:
+        return [
+            Network.parse(self._client, net) for net in self._ms("network", ["member"], device=self.uuid)["networks"]
+        ]
+
+    def create_network(self, name: str, hidden: bool) -> Network:
+        return Network.parse(self._client, self._ms("network", ["create"], device=self.uuid, name=name, hidden=hidden))
+
+    def get_network_invitations(self) -> list[NetworkInvitation]:
+        return [
+            NetworkInvitation.parse(self._client, invitation)
+            for invitation in self._ms("network", ["invitations"], device=self.uuid)["invitations"]
+        ]
diff --git a/PyCrypCli/models/device_hardware.py b/PyCrypCli/models/device_hardware.py
new file mode 100644
index 0000000..6b2f5a8
--- /dev/null
+++ b/PyCrypCli/models/device_hardware.py
@@ -0,0 +1,8 @@
+from .model import Model
+
+
+class DeviceHardware(Model):
+    uuid: str
+    device_uuid: str
+    hardware_element: str
+    hardware_type: str
diff --git a/PyCrypCli/models/file.py b/PyCrypCli/models/file.py
new file mode 100644
index 0000000..d2720e6
--- /dev/null
+++ b/PyCrypCli/models/file.py
@@ -0,0 +1,69 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from pydantic import Field
+
+from .model import Model
+
+if TYPE_CHECKING:
+    from ..client import Client
+
+
+class File(Model):
+    uuid: str | None
+    device_uuid: str = Field(alias="device")
+    name: str = Field(alias="filename")
+    content: str
+    is_directory: bool
+    parent_dir_uuid: str | None
+
+    @property
+    def is_root_directory(self) -> bool:
+        return self.uuid is None
+
+    @staticmethod
+    def get_root_directory(client: Client, device_uuid: str) -> File:
+        return File.parse(
+            client,
+            {
+                "uuid": None,
+                "device": device_uuid,
+                "filename": "",
+                "content": "",
+                "is_directory": True,
+                "parent_dir_uuid": None,
+            },
+        )
+
+    @staticmethod
+    def get_file(client: Client, device_uuid: str, file_uuid: str) -> File:
+        return File.parse(client, client.ms("device", ["file", "info"], device_uuid=device_uuid, file_uuid=file_uuid))
+
+    def update(self) -> File:
+        if not self.uuid:
+            return self
+
+        return self._update(File.get_file(self._client, self.device_uuid, self.uuid))
+
+    def move(self, new_filename: str, new_parent_dir_uuid: str | None) -> File:
+        return self._update(
+            self._ms(
+                "device",
+                ["file", "move"],
+                device_uuid=self.device_uuid,
+                file_uuid=self.uuid,
+                new_filename=new_filename,
+                new_parent_dir_uuid=new_parent_dir_uuid,
+            )
+        )
+
+    def edit(self, new_content: str) -> File:
+        return self._update(
+            self._ms(
+                "device", ["file", "update"], device_uuid=self.device_uuid, file_uuid=self.uuid, content=new_content
+            )
+        )
+
+    def delete(self) -> None:
+        self._ms("device", ["file", "delete"], device_uuid=self.device_uuid, file_uuid=self.uuid)
diff --git a/PyCrypCli/models/hardware_config/__init__.py b/PyCrypCli/models/hardware_config/__init__.py
new file mode 100644
index 0000000..13988a3
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/__init__.py
@@ -0,0 +1,22 @@
+from .case import Case
+from .cpu import CPU
+from .disk import Disk
+from .gpu import GPU
+from .hardware_config import HardwareConfig, StartPC
+from .mainboard import Mainboard
+from .power_pack import PowerPack
+from .processor_cooler import ProcessorCooler
+from .ram import RAM
+
+__all__ = [
+    "Case",
+    "CPU",
+    "Disk",
+    "GPU",
+    "HardwareConfig",
+    "Mainboard",
+    "PowerPack",
+    "ProcessorCooler",
+    "RAM",
+    "StartPC",
+]
diff --git a/PyCrypCli/models/hardware_config/case.py b/PyCrypCli/models/hardware_config/case.py
new file mode 100644
index 0000000..85e7987
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/case.py
@@ -0,0 +1,8 @@
+from typing import Literal
+
+from ..model import Model
+
+
+class Case(Model):
+    id: int
+    size: Literal["small", "middle", "big"]
diff --git a/PyCrypCli/models/hardware_config/cpu.py b/PyCrypCli/models/hardware_config/cpu.py
new file mode 100644
index 0000000..6d2f538
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/cpu.py
@@ -0,0 +1,17 @@
+from pydantic import Field
+
+from .mainboard import GraphicUnit
+from ..model import Model
+
+
+class CPU(Model):
+    id: int
+    frequency_min: int = Field(alias="frequencyMin")
+    frequency_max: int = Field(alias="frequencyMax")
+    socket: str
+    cores: int
+    turbo_speed: bool = Field(alias="turboSpeed")
+    overclock: bool = Field(alias="overClock")
+    max_temperature: int = Field(alias="maxTemperature")
+    graphic_unit: GraphicUnit | None = Field(alias="graphicUnit")
+    power: int
diff --git a/PyCrypCli/models/hardware_config/disk.py b/PyCrypCli/models/hardware_config/disk.py
new file mode 100644
index 0000000..68c36ad
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/disk.py
@@ -0,0 +1,14 @@
+from pydantic import Field
+
+from .mainboard import Interface
+from ..model import Model
+
+
+class Disk(Model):
+    id: int
+    type: str = Field(alias="diskTyp")
+    capacity: int
+    writing_speed: int = Field(alias="writingSpeed")
+    reading_speed: int = Field(alias="readingSpeed")
+    interface: Interface
+    power: int
diff --git a/PyCrypCli/models/hardware_config/gpu.py b/PyCrypCli/models/hardware_config/gpu.py
new file mode 100644
index 0000000..619ac8a
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/gpu.py
@@ -0,0 +1,13 @@
+from pydantic import Field
+
+from .mainboard import Interface
+from ..model import Model
+
+
+class GPU(Model):
+    id: int
+    ram_size: int = Field(alias="ramSize")
+    ram_type: Interface = Field(alias="ramTyp")
+    frequency: int
+    interface: Interface
+    power: int
diff --git a/PyCrypCli/models/hardware_config/hardware_config.py b/PyCrypCli/models/hardware_config/hardware_config.py
new file mode 100644
index 0000000..4a57e54
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/hardware_config.py
@@ -0,0 +1,34 @@
+from pydantic import Field
+
+from .case import Case
+from .cpu import CPU
+from .disk import Disk
+from .gpu import GPU
+from .mainboard import Mainboard
+from .power_pack import PowerPack
+from .processor_cooler import ProcessorCooler
+from .ram import RAM
+from ..model import Model
+
+
+class StartPC(Model):
+    mainboard: str
+    cpu: list[str]
+    processor_cooler: list[str] = Field(alias="processorCooler")
+    ram: list[str]
+    gpu: list[str]
+    disk: list[str]
+    power_pack: str = Field(alias="powerPack")
+    case: str
+
+
+class HardwareConfig(Model):
+    start_pc: StartPC
+    mainboard: dict[str, Mainboard]
+    cpu: dict[str, CPU]
+    processor_cooler: dict[str, ProcessorCooler] = Field(alias="processorCooler")
+    ram: dict[str, RAM]
+    gpu: dict[str, GPU]
+    disk: dict[str, Disk]
+    power_pack: dict[str, PowerPack] = Field(alias="powerPack")
+    case: dict[str, Case]
diff --git a/PyCrypCli/models/hardware_config/mainboard.py b/PyCrypCli/models/hardware_config/mainboard.py
new file mode 100644
index 0000000..941ac3a
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/mainboard.py
@@ -0,0 +1,50 @@
+from typing import NamedTuple
+
+from pydantic import Field
+
+from ..model import Model
+
+Interface = NamedTuple("Interface", [("name", str), ("version", int)])
+
+
+class RAM(Model):
+    ram_slots: int = Field(alias="ramSlots")
+    max_ram_size: int = Field(alias="maxRamSize")
+    ram_type: list[Interface] = Field(alias="ramTyp")
+    frequency: list[int]
+
+
+class GraphicUnit(Model):
+    name: str
+    ram_size: int = Field(alias="ramSize")
+    frequency: int
+
+
+class ExpansionSlot(Model):
+    interface: Interface
+    interface_slots: int = Field(alias="interfaceSlots")
+
+
+class DiskStorage(Model):
+    disk_slots: int = Field(alias="diskSlots")
+    interface: list[Interface]
+
+
+class NetworkPort(Model):
+    name: str
+    interface: str
+    speed: int
+
+
+class Mainboard(Model):
+    id: int
+    case: str
+    cpu_socket: str = Field(alias="cpuSocket")
+    cpu_slots: int = Field(alias="cpuSlots")
+    core_temperature_control: bool = Field(alias="coreTemperatureControl")
+    usb_ports: int = Field(alias="usbPorts")
+    graphic_unit_on_board: GraphicUnit = Field(alias="graphicUnitOnBoard")
+    expansion_slots: list[ExpansionSlot] = Field(alias="expansionSlots")
+    disk_storage: DiskStorage = Field(alias="diskStorage")
+    network_port: NetworkPort = Field(alias="NetworkPort")
+    power: int
diff --git a/PyCrypCli/models/hardware_config/power_pack.py b/PyCrypCli/models/hardware_config/power_pack.py
new file mode 100644
index 0000000..4b72045
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/power_pack.py
@@ -0,0 +1,8 @@
+from pydantic import Field
+
+from ..model import Model
+
+
+class PowerPack(Model):
+    id: int
+    total_power: int = Field(alias="totalPower")
diff --git a/PyCrypCli/models/hardware_config/processor_cooler.py b/PyCrypCli/models/hardware_config/processor_cooler.py
new file mode 100644
index 0000000..9d4bbdf
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/processor_cooler.py
@@ -0,0 +1,10 @@
+from pydantic import Field
+
+from ..model import Model
+
+
+class ProcessorCooler(Model):
+    id: int
+    speed: int = Field(alias="coolerSpeed")
+    socket: str
+    power: int
diff --git a/PyCrypCli/models/hardware_config/ram.py b/PyCrypCli/models/hardware_config/ram.py
new file mode 100644
index 0000000..092e667
--- /dev/null
+++ b/PyCrypCli/models/hardware_config/ram.py
@@ -0,0 +1,12 @@
+from pydantic import Field
+
+from .mainboard import Interface
+from ..model import Model
+
+
+class RAM(Model):
+    id: int
+    size: int = Field(alias="ramSize")
+    type: Interface = Field(alias="ramTyp")
+    frequency: int
+    power: int
diff --git a/PyCrypCli/models/inventory_element.py b/PyCrypCli/models/inventory_element.py
new file mode 100644
index 0000000..81ecca9
--- /dev/null
+++ b/PyCrypCli/models/inventory_element.py
@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from pydantic import Field
+
+from .model import Model
+
+if TYPE_CHECKING:
+    from ..client import Client
+
+
+class InventoryElement(Model):
+    uuid: str = Field(alias="element_uuid")
+    name: str = Field(alias="element_name")
+    related_ms: str
+    owner_uuid: str = Field(alias="owner")
+
+    @staticmethod
+    def list_inventory(client: Client) -> list[InventoryElement]:
+        return [
+            InventoryElement.parse(client, element)
+            for element in client.ms("inventory", ["inventory", "list"])["elements"]
+        ]
+
+    def trade(self, target: str) -> None:
+        self._ms("inventory", ["inventory", "trade"], element_uuid=self.uuid, target=target)
diff --git a/PyCrypCli/models/model.py b/PyCrypCli/models/model.py
new file mode 100644
index 0000000..2a0572a
--- /dev/null
+++ b/PyCrypCli/models/model.py
@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+from typing import Type, TypeVar, Any, TYPE_CHECKING
+
+from pydantic import BaseModel, PrivateAttr, ValidationError
+
+if TYPE_CHECKING:
+    from ..client import Client
+
+ModelType = TypeVar("ModelType", bound="Model")
+
+
+class Model(BaseModel):
+    _client: Client = PrivateAttr()
+
+    @classmethod
+    def parse(cls: Type[ModelType], client: Client, obj: dict[Any, Any]) -> ModelType:
+        out = cls.parse_obj(obj)
+        out._client = client
+        return out
+
+    def _ms(self, microservice: str, endpoint: list[str], **data: Any) -> dict[Any, Any]:
+        return self._client.ms(microservice, endpoint, **data)
+
+    def _update(self: ModelType, obj: ModelType | dict[Any, Any]) -> ModelType:
+        if isinstance(obj, dict):
+            obj = self.validate(obj)
+        for k, v in obj.dict().items():
+            setattr(self, k, v)
+        return self
diff --git a/PyCrypCli/models/network/__init__.py b/PyCrypCli/models/network/__init__.py
new file mode 100644
index 0000000..880a2e1
--- /dev/null
+++ b/PyCrypCli/models/network/__init__.py
@@ -0,0 +1,5 @@
+from .network import Network
+from .network_invitation import NetworkInvitation
+from .network_membership import NetworkMembership
+
+__all__ = ["Network", "NetworkInvitation", "NetworkMembership"]
diff --git a/PyCrypCli/models/network/network.py b/PyCrypCli/models/network/network.py
new file mode 100644
index 0000000..a1dc040
--- /dev/null
+++ b/PyCrypCli/models/network/network.py
@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from pydantic import Field
+
+from .network_invitation import NetworkInvitation
+from .network_membership import NetworkMembership
+from ..model import Model
+
+if TYPE_CHECKING:
+    from ..device import Device
+    from ...client import Client
+
+
+class Network(Model):
+    uuid: str
+    hidden: bool
+    owner_uuid: str = Field(alias="owner")
+    name: str
+
+    @staticmethod
+    def get_public_networks(client: Client) -> list[Network]:
+        return [Network.parse(client, net) for net in client.ms("network", ["public"])["networks"]]
+
+    @staticmethod
+    def get_by_uuid(client: Client, uuid: str) -> Network:
+        return Network.parse(client, client.ms("network", ["get"], uuid=uuid))
+
+    @staticmethod
+    def get_network_by_name(client: Client, name: str) -> Network:
+        return Network.parse(client, client.ms("network", ["name"], name=name))
+
+    def get_members(self) -> list[NetworkMembership]:
+        return [
+            NetworkMembership.parse(self._client, member)
+            for member in self._ms("network", ["members"], uuid=self.uuid)["members"]
+        ]
+
+    def request_membership(self, device: Device) -> NetworkInvitation:
+        return NetworkInvitation.parse(
+            self._client, self._ms("network", ["request"], uuid=self.uuid, device=device.uuid)
+        )
+
+    def get_membership_requests(self) -> list[NetworkInvitation]:
+        return [
+            NetworkInvitation.parse(self._client, invitation)
+            for invitation in self._ms("network", ["requests"], uuid=self.uuid)["requests"]
+        ]
+
+    def invite_device(self, device: Device) -> NetworkInvitation:
+        return NetworkInvitation.parse(
+            self._client, self._ms("network", ["invite"], uuid=self.uuid, device=device.uuid)
+        )
+
+    def leave(self, device: Device) -> None:
+        self._ms("network", ["leave"], uuid=self.uuid, device=device.uuid)
+
+    def kick(self, device: Device) -> None:
+        self._ms("network", ["kick"], uuid=self.uuid, device=device.uuid)
+
+    def delete(self) -> None:
+        self._ms("network", ["delete"], uuid=self.uuid)
diff --git a/PyCrypCli/models/network/network_invitation.py b/PyCrypCli/models/network/network_invitation.py
new file mode 100644
index 0000000..67fdfb1
--- /dev/null
+++ b/PyCrypCli/models/network/network_invitation.py
@@ -0,0 +1,16 @@
+from pydantic import Field
+
+from ..model import Model
+
+
+class NetworkInvitation(Model):
+    uuid: str
+    network_uuid: str = Field(alias="network")
+    device_uuid: str = Field(alias="device")
+    request: bool
+
+    def accept(self) -> None:
+        self._ms("network", ["accept"], uuid=self.uuid)
+
+    def deny(self) -> None:
+        self._ms("network", ["deny"], uuid=self.uuid)
diff --git a/PyCrypCli/models/network/network_membership.py b/PyCrypCli/models/network/network_membership.py
new file mode 100644
index 0000000..660e446
--- /dev/null
+++ b/PyCrypCli/models/network/network_membership.py
@@ -0,0 +1,9 @@
+from pydantic import Field
+
+from ..model import Model
+
+
+class NetworkMembership(Model):
+    uuid: str
+    network_uuid: str = Field(alias="network")
+    device_uuid: str = Field(alias="device")
diff --git a/PyCrypCli/models/resource_usage.py b/PyCrypCli/models/resource_usage.py
new file mode 100644
index 0000000..1e6582c
--- /dev/null
+++ b/PyCrypCli/models/resource_usage.py
@@ -0,0 +1,34 @@
+from .model import Model
+
+
+class ResourceUsage(Model):
+    usage_cpu: float
+    usage_ram: float
+    usage_gpu: float
+    usage_disk: float
+    usage_network: float
+    performance_cpu: float
+    performance_ram: float
+    performance_gpu: float
+    performance_disk: float
+    performance_network: float
+
+    @property
+    def cpu(self) -> float:
+        return min(self.usage_cpu / self.performance_cpu, 1)
+
+    @property
+    def ram(self) -> float:
+        return min(self.usage_ram / self.performance_ram, 1)
+
+    @property
+    def gpu(self) -> float:
+        return min(self.usage_gpu / self.performance_gpu, 1)
+
+    @property
+    def disk(self) -> float:
+        return min(self.usage_disk / self.performance_disk, 1)
+
+    @property
+    def network(self) -> float:
+        return min(self.usage_network / self.performance_network, 1)
diff --git a/PyCrypCli/models/server_responses.py b/PyCrypCli/models/server_responses.py
new file mode 100644
index 0000000..839cadb
--- /dev/null
+++ b/PyCrypCli/models/server_responses.py
@@ -0,0 +1,21 @@
+from datetime import datetime
+
+from pydantic import Field
+
+from .model import Model
+
+
+class StatusResponse(Model):
+    online: int
+
+
+class InfoResponse(Model):
+    name: str
+    uuid: str
+    created: datetime
+    last_login: datetime = Field(alias="last")
+    online: int
+
+
+class TokenResponse(Model):
+    token: str
diff --git a/PyCrypCli/models/service/__init__.py b/PyCrypCli/models/service/__init__.py
new file mode 100644
index 0000000..cdb6e5e
--- /dev/null
+++ b/PyCrypCli/models/service/__init__.py
@@ -0,0 +1,8 @@
+from .bruteforce_service import BruteforceService
+from .miner import Miner
+from .portscan_service import PortscanService
+from .public_service import PublicService
+from .service import Service
+
+
+__all__ = ["BruteforceService", "Miner", "PortscanService", "PublicService", "Service"]
diff --git a/PyCrypCli/models/service/bruteforce_service.py b/PyCrypCli/models/service/bruteforce_service.py
new file mode 100644
index 0000000..996d65d
--- /dev/null
+++ b/PyCrypCli/models/service/bruteforce_service.py
@@ -0,0 +1,52 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any, TYPE_CHECKING
+
+from pydantic import Field
+
+from .service import Service
+from ...exceptions import AttackNotRunningError
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class BruteforceService(Service):
+    target_device_uuid: str | None = Field(alias="target_device")
+    target_service_uuid: str | None = Field(alias="target_service")
+    started: datetime | None
+    progress: float | None
+
+    @staticmethod
+    def get_bruteforce_service(client: Client, device_uuid: str) -> BruteforceService:
+        service: Service = Service.get_service_by_name(client, device_uuid, "bruteforce")
+        return BruteforceService.parse(
+            client,
+            service.dict(by_alias=True) | BruteforceService.get_bruteforce_details(client, device_uuid, service.uuid),
+        )
+
+    @staticmethod
+    def get_bruteforce_details(client: Client, device_uuid: str, service_uuid: str) -> dict[Any, Any]:
+        try:
+            return client.ms("service", ["bruteforce", "status"], device_uuid=device_uuid, service_uuid=service_uuid)
+        except AttackNotRunningError:
+            return {"target_device_uuid": None, "target_service_uuid": None, "started": None, "progress": None}
+
+    def update(self) -> BruteforceService:
+        return self._update(BruteforceService.get_bruteforce_service(self._client, self.device_uuid))
+
+    def attack(self, target_device: str, target_service: str) -> None:
+        self._ms(
+            "service",
+            ["bruteforce", "attack"],
+            device_uuid=self.device_uuid,
+            service_uuid=self.uuid,
+            target_device=target_device,
+            target_service=target_service,
+        )
+
+    def stop(self) -> tuple[bool, float, str]:
+        result = self._ms("service", ["bruteforce", "stop"], device_uuid=self.device_uuid, service_uuid=self.uuid)
+        self.update()
+        return result["access"], result["progress"], result["target_device"]
diff --git a/PyCrypCli/models/service/miner.py b/PyCrypCli/models/service/miner.py
new file mode 100644
index 0000000..095faf1
--- /dev/null
+++ b/PyCrypCli/models/service/miner.py
@@ -0,0 +1,44 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any, TYPE_CHECKING
+
+from pydantic import Field
+
+from .service import Service
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class Miner(Service):
+    wallet_uuid: str = Field(alias="wallet")
+    started: datetime | None
+    power: float
+
+    @staticmethod
+    def get_miner(client: Client, device_uuid: str) -> Miner:
+        service: Service = Service.get_service_by_name(client, device_uuid, "miner")
+        return Miner.parse(client, service.dict(by_alias=True) | Miner.get_miner_details(client, service.uuid))
+
+    @staticmethod
+    def get_miners(client: Client, wallet_uuid: str) -> list[Miner]:
+        return [
+            Miner.parse(client, {**miner["service"], **miner["miner"]})
+            for miner in client.ms("service", ["miner", "list"], retry=5, wallet_uuid=wallet_uuid)["miners"]
+        ]
+
+    @staticmethod
+    def get_miner_details(client: Client, service_uuid: str) -> dict[Any, Any]:
+        return client.ms("service", ["miner", "get"], service_uuid=service_uuid)
+
+    def update(self) -> Miner:
+        return self._update(Miner.get_miner(self._client, self.device_uuid))
+
+    def set_power(self, power: float) -> Miner:
+        self._ms("service", ["miner", "power"], service_uuid=self.uuid, power=power)
+        return self.update()
+
+    def set_wallet(self, wallet_uuid: str) -> Miner:
+        self._ms("service", ["miner", "wallet"], service_uuid=self.uuid, wallet_uuid=wallet_uuid)
+        return self.update()
diff --git a/PyCrypCli/models/service/portscan_service.py b/PyCrypCli/models/service/portscan_service.py
new file mode 100644
index 0000000..d6d9762
--- /dev/null
+++ b/PyCrypCli/models/service/portscan_service.py
@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from .public_service import PublicService
+from .service import Service
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class PortscanService(Service):
+    @staticmethod
+    def get_portscan_service(client: Client, device_uuid: str) -> PortscanService:
+        service: Service = Service.get_service_by_name(client, device_uuid, "portscan")
+        return PortscanService.parse(client, service.dict(by_alias=True))
+
+    def update(self) -> PortscanService:
+        return self._update(PortscanService.get_portscan_service(self._client, self.device_uuid))
+
+    def scan(self, target: str) -> list[PublicService]:
+        return [PublicService.parse(self._client, service) for service in self.use(target_device=target)["services"]]
diff --git a/PyCrypCli/models/service/public_service.py b/PyCrypCli/models/service/public_service.py
new file mode 100644
index 0000000..b4afc91
--- /dev/null
+++ b/PyCrypCli/models/service/public_service.py
@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from pydantic import Field
+
+from ..model import Model
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class PublicService(Model):
+    uuid: str
+    device_uuid: str = Field(alias="device")
+    name: str
+    running_port: int | None
+
+    @staticmethod
+    def get_public_service(client: Client, device_uuid: str, service_uuid: str) -> PublicService:
+        return PublicService.parse(
+            client, client.ms("service", ["public_info"], device_uuid=device_uuid, service_uuid=service_uuid)
+        )
+
+    def update(self) -> PublicService:
+        return self._update(PublicService.get_public_service(self._client, self.device_uuid, self.uuid))
diff --git a/PyCrypCli/models/service/service.py b/PyCrypCli/models/service/service.py
new file mode 100644
index 0000000..d200ec8
--- /dev/null
+++ b/PyCrypCli/models/service/service.py
@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+from typing import Any, TypeVar, TYPE_CHECKING
+
+from pydantic import Field
+
+from .public_service import PublicService
+from ...exceptions import ServiceNotFoundError
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+ServiceType = TypeVar("ServiceType", bound="Service")
+
+
+class Service(PublicService):
+    owner_uuid: str = Field(alias="owner")
+    running: bool
+    part_owner_uuid: str | None = Field(alias="part_owner")
+    speed: float
+
+    @staticmethod
+    def get_services(client: Client, device_uuid: str) -> list[Service]:
+        return [
+            Service.parse(client, service)
+            for service in client.ms("service", ["list"], device_uuid=device_uuid)["services"]
+        ]
+
+    @staticmethod
+    def get_service(client: Client, device_uuid: str, service_uuid: str) -> Service:
+        return Service.parse(
+            client, client.ms("service", ["private_info"], device_uuid=device_uuid, service_uuid=service_uuid)
+        )
+
+    @staticmethod
+    def get_service_by_name(client: Client, device_uuid: str, name: str) -> Service:
+        for service in Service.get_services(client, device_uuid):
+            if service.name == name:
+                return service
+        raise ServiceNotFoundError
+
+    @staticmethod
+    def list_part_owner(client: Client) -> list[Service]:
+        return [Service.parse(client, service) for service in client.ms("service", ["list_part_owner"])["services"]]
+
+    def update(self) -> Service:
+        return self._update(Service.get_service(self._client, self.device_uuid, self.uuid))
+
+    def use(self, **data: Any) -> dict[Any, Any]:
+        return self._ms("service", ["use"], device_uuid=self.device_uuid, service_uuid=self.uuid, **data)
+
+    def toggle(self) -> Service:
+        return self._update(self._ms("service", ["toggle"], device_uuid=self.device_uuid, service_uuid=self.uuid))
+
+    def delete(self) -> None:
+        self._ms("service", ["delete"], device_uuid=self.device_uuid, service_uuid=self.uuid)
diff --git a/PyCrypCli/models/shop/__init__.py b/PyCrypCli/models/shop/__init__.py
new file mode 100644
index 0000000..25f0a9a
--- /dev/null
+++ b/PyCrypCli/models/shop/__init__.py
@@ -0,0 +1,5 @@
+from .shop_category import ShopCategory
+from .shop_product import ShopProduct
+
+
+__all__ = ["ShopCategory", "ShopProduct"]
diff --git a/PyCrypCli/models/shop/shop_category.py b/PyCrypCli/models/shop/shop_category.py
new file mode 100644
index 0000000..f796a05
--- /dev/null
+++ b/PyCrypCli/models/shop/shop_category.py
@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any
+
+from pydantic import validator, Field
+
+from .shop_product import ShopProduct
+from ..model import Model
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class ShopCategory(Model):
+    name: str
+    index: int
+    items: list[ShopProduct]
+    subcategories: list[ShopCategory] = Field(alias="categories")
+
+    @staticmethod
+    def shop_list(client: Client) -> list[ShopCategory]:
+        out = [
+            ShopCategory.parse(client, {"name": k, **v})
+            for k, v in client.ms("inventory", ["shop", "list"])["categories"].items()
+        ]
+        out.sort(key=lambda c: c.index)
+        return out
+
+    @validator("items", pre=True)
+    def _parse_items(cls, value: dict[str, dict[str, Any]]) -> list[dict[str, Any]]:
+        out = [v | {"name": k} for k, v in value.items()]
+        out.sort(key=lambda e: e["id"])
+        return out
+
+    @validator("subcategories", pre=True)
+    def _parse_subcategories(cls, value: dict[str, dict[str, Any]]) -> list[dict[str, Any]]:
+        out = [v | {"name": k} for k, v in value.items()]
+        out.sort(key=lambda e: e["index"])
+        return out
diff --git a/PyCrypCli/models/shop/shop_product.py b/PyCrypCli/models/shop/shop_product.py
new file mode 100644
index 0000000..308b7ee
--- /dev/null
+++ b/PyCrypCli/models/shop/shop_product.py
@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from ..inventory_element import InventoryElement
+from ..model import Model
+from ..wallet import Wallet
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class ShopProduct(Model):
+    id: int
+    name: str
+    price: int
+    related_ms: str
+
+    @staticmethod
+    def shop_info(client: Client, product: str) -> ShopProduct:
+        return ShopProduct.parse(client, client.ms("inventory", ["shop", "info"], product=product))
+
+    @staticmethod
+    def bulk_buy(client: Client, products: dict[ShopProduct, int], wallet: Wallet) -> list[InventoryElement]:
+        return [
+            InventoryElement.parse(client, element)
+            for element in client.ms(
+                "inventory",
+                ["shop", "buy"],
+                products={k.name: v for k, v in products.items()},
+                wallet_uuid=wallet.uuid,
+                key=wallet.key,
+            )["bought_products"]
+        ]
+
+    def buy(self, wallet: Wallet) -> InventoryElement:
+        return ShopProduct.bulk_buy(self._client, {self: 1}, wallet)[0]
diff --git a/PyCrypCli/models/wallet/__init__.py b/PyCrypCli/models/wallet/__init__.py
new file mode 100644
index 0000000..5456867
--- /dev/null
+++ b/PyCrypCli/models/wallet/__init__.py
@@ -0,0 +1,6 @@
+from .public_wallet import PublicWallet
+from .transaction import Transaction
+from .wallet import Wallet
+
+
+__all__ = ["PublicWallet", "Transaction", "Wallet"]
diff --git a/PyCrypCli/models/wallet/public_wallet.py b/PyCrypCli/models/wallet/public_wallet.py
new file mode 100644
index 0000000..4b72158
--- /dev/null
+++ b/PyCrypCli/models/wallet/public_wallet.py
@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from pydantic import Field
+
+from ..model import Model
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class PublicWallet(Model):
+    uuid: str = Field(alias="source_uuid")
+
+    @staticmethod
+    def get_public_wallet(client: Client, uuid: str) -> PublicWallet:
+        return PublicWallet.parse(client, {"source_uuid": uuid})
+
+    @staticmethod
+    def list_wallets(client: Client) -> list[PublicWallet]:
+        return [PublicWallet.get_public_wallet(client, uuid) for uuid in client.ms("currency", ["list"])["wallets"]]
+
+    def reset_wallet(self) -> None:
+        self._ms("currency", ["reset"], source_uuid=self.uuid)
diff --git a/PyCrypCli/models/wallet/transaction.py b/PyCrypCli/models/wallet/transaction.py
new file mode 100644
index 0000000..0efe0d7
--- /dev/null
+++ b/PyCrypCli/models/wallet/transaction.py
@@ -0,0 +1,19 @@
+from datetime import datetime
+
+from pydantic import Field, validator
+
+from ..model import Model
+from ...util import utc_to_local
+
+
+class Transaction(Model):
+    timestamp: datetime = Field(alias="time_stamp")
+    source_uuid: str
+    destination_uuid: str
+    amount: int = Field(alias="send_amount")
+    usage: str
+    origin: str
+
+    @validator("timestamp")
+    def _convert_timestamp(cls, value: datetime) -> datetime:
+        return utc_to_local(value)
diff --git a/PyCrypCli/models/wallet/wallet.py b/PyCrypCli/models/wallet/wallet.py
new file mode 100644
index 0000000..a2b1581
--- /dev/null
+++ b/PyCrypCli/models/wallet/wallet.py
@@ -0,0 +1,59 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from pydantic import Field
+
+from .public_wallet import PublicWallet
+from .transaction import Transaction
+from ..service import Miner
+
+if TYPE_CHECKING:
+    from ...client import Client
+
+
+class Wallet(PublicWallet):
+    key: str
+    owner_uuid: str = Field(alias="user_uuid")
+    amount: int
+    transaction_count: int = Field(alias="transactions")
+
+    @staticmethod
+    def create_wallet(client: Client) -> Wallet:
+        return Wallet.parse(client, client.ms("currency", ["create"]))
+
+    @staticmethod
+    def get_wallet(client: Client, uuid: str, key: str) -> Wallet:
+        return Wallet.parse(client, client.ms("currency", ["get"], source_uuid=uuid, key=key))
+
+    def update(self) -> Wallet:
+        return self._update(Wallet.get_wallet(self._client, self.uuid, self.key))
+
+    def get_transactions(self, count: int, offset: int) -> list[Transaction]:
+        return [
+            Transaction.parse(self._client, t)
+            for t in self._ms(
+                "currency", ["transactions"], source_uuid=self.uuid, key=self.key, count=count, offset=offset
+            )["transactions"]
+        ]
+
+    def get_miners(self) -> list[Miner]:
+        return Miner.get_miners(self._client, self.uuid)
+
+    def get_mining_rate(self) -> float:
+        return sum(miner.speed for miner in self.get_miners() if miner.running)
+
+    def send(self, destination: PublicWallet, amount: int, usage: str) -> Wallet:
+        self._ms(
+            "currency",
+            ["send"],
+            source_uuid=self.uuid,
+            key=self.key,
+            send_amount=amount,
+            destination_uuid=destination.uuid,
+            usage=usage,
+        )
+        return self.update()
+
+    def delete(self) -> None:
+        self._ms("currency", ["delete"], source_uuid=self.uuid, key=self.key)
diff --git a/PyCrypCli/pycrypcli.py b/PyCrypCli/pycrypcli.py
index 1c38b65..421c413 100644
--- a/PyCrypCli/pycrypcli.py
+++ b/PyCrypCli/pycrypcli.py
@@ -1,18 +1,18 @@
-import os
 import sys
 from os import getenv
-from typing import List, Optional
+from pathlib import Path
+from typing import NoReturn
 
 import requests
 import sentry_sdk
 
-from PyCrypCli.commands import make_commands, Command
-from PyCrypCli.context import Context, LoginContext, RootContext
+from .commands import make_commands, Command
+from .context import Context, LoginContext, RootContext
 
 try:
     import readline
 except ImportError:
-    import pyreadline as readline
+    import pyreadline as readline  # type: ignore
 
 if not getenv("DEBUG"):
     response = requests.get("https://sentrydsn.defelo.de/pycrypcli")
@@ -21,10 +21,10 @@
 
 
 class Frontend:
-    def __init__(self, server: str, config_file: List[str]):
-        self.config_file: List[str] = config_file
+    def __init__(self, server: str, config_file: Path):
+        self.config_file: Path = config_file
 
-        self.history: List[str] = []
+        self.history: list[str] = []
 
         readline.parse_and_bind("tab: complete")
         readline.set_completer(self.completer)
@@ -33,8 +33,8 @@ def __init__(self, server: str, config_file: List[str]):
         self.root_context: RootContext = RootContext(server, config_file, make_commands())
         self.root_context.open(LoginContext(self.root_context))
 
-    def complete_command(self, text: str) -> List[str]:
-        override_completions: Optional[List[str]] = self.root_context.get_override_completions()
+    def complete_command(self, text: str) -> list[str]:
+        override_completions: list[str] | None = self.root_context.get_override_completions()
         if override_completions is not None:
             return override_completions
 
@@ -42,16 +42,16 @@ def complete_command(self, text: str) -> List[str]:
         if not args:
             return list(self.root_context.get_commands())
 
-        comp: Optional[Command] = self.root_context.get_commands().get(cmd, None)
+        comp: Command | None = self.root_context.get_commands().get(cmd, None)
         if comp is None:
             return []
 
         return comp.handle_completer(self.get_context(), args) or []
 
-    def completer(self, text: str, state: int) -> Optional[str]:
+    def completer(self, text: str, state: int) -> str | None:
         readline.set_completer_delims(" ")
-        options: List[str] = self.complete_command(readline.get_line_buffer())
-        options: List[str] = [o + " " if o[-1:] != "\0" else o[:-1] for o in sorted(options) if o.startswith(text)]
+        options: list[str] = self.complete_command(readline.get_line_buffer())
+        options = [o + " " if o[-1:] != "\0" else o[:-1] for o in sorted(options) if o.startswith(text)]
 
         if state < len(options):
             return options[state]
@@ -60,7 +60,7 @@ def completer(self, text: str, state: int) -> Optional[str]:
     def get_context(self) -> Context:
         return self.root_context.get_context()
 
-    def mainloop(self):
+    def mainloop(self) -> NoReturn:
         while True:
             self.get_context().loop_tick()
             context: Context = self.get_context()
@@ -88,7 +88,7 @@ def mainloop(self):
                 print("Type `help` for a list of commands.")
 
 
-def main():
+def main() -> NoReturn:
     print(
         "\033[32m\033[1m"
         r"""
@@ -99,20 +99,20 @@ def main():
     \____/_/   \__, / .___/\__/_/\___/
               /____/_/
 """
-        "\033[0m",
+        "\033[0m"
     )
     print("Python Cryptic Game Client (https://github.com/Defelo/PyCrypCli)")
     print("You can always type `help` for a list of available commands.")
 
-    server: str = "wss://ws.cryptic-game.net/"
+    server = "wss://ws.cryptic-game.net/"
     if len(sys.argv) > 1:
-        server: str = sys.argv[1]
+        server = sys.argv[1]
         if server.lower() == "test":
-            server: str = "wss://ws.test.cryptic-game.net/"
+            server = "wss://ws.test.cryptic-game.net/"
         elif not server.startswith("wss://") and not server.startswith("ws://"):
-            server: str = "ws://" + server
+            server = "ws://" + server
 
-    frontend: Frontend = Frontend(server, [os.path.expanduser("~"), ".config", "PyCrypCli", "config.json"])
+    frontend: Frontend = Frontend(server, Path("~/.config/PyCrypCli/config.json").expanduser())
     frontend.mainloop()
 
 
diff --git a/PyCrypCli/timer.py b/PyCrypCli/timer.py
index de95c42..3696739 100644
--- a/PyCrypCli/timer.py
+++ b/PyCrypCli/timer.py
@@ -1,18 +1,18 @@
 import time
 from threading import Thread
-from typing import Callable
+from typing import Callable, Any
 
 
 class Timer(Thread):
-    def __init__(self, interval: float, func: Callable):
+    def __init__(self, interval: float, func: Callable[[], Any]):
         super().__init__(daemon=True)
 
         self.interval: float = interval
-        self.func: Callable = func
+        self.func: Callable[[], Any] = func
         self.running: bool = False
 
-    def run(self):
-        self.running: bool = True
+    def run(self) -> None:
+        self.running = True
         while self.running:
             self.func()
 
@@ -20,7 +20,7 @@ def run(self):
             sleep_until: float = t + self.interval
             while t < sleep_until and self.running:
                 time.sleep(min(0.1, sleep_until - t))
-                t: float = time.time()
+                t = time.time()
 
-    def stop(self):
-        self.running: bool = False
+    def stop(self) -> None:
+        self.running = False
diff --git a/PyCrypCli/util.py b/PyCrypCli/util.py
index 7611a01..8601f86 100644
--- a/PyCrypCli/util.py
+++ b/PyCrypCli/util.py
@@ -1,30 +1,28 @@
 import re
-from datetime import datetime
-from typing import Optional, Tuple, List
-
-from dateutil.tz import tz
+from datetime import datetime, timezone
+from typing import Any, Sequence
 
 
 def is_uuid(x: str) -> bool:
     return bool(re.match(r"^[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}$", x))
 
 
-def extract_wallet(content: str) -> Optional[Tuple[str, str]]:
+def extract_wallet(content: str) -> tuple[str, str] | None:
     if re.match(r"^[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12} [0-9a-f]{10}$", content):
         uuid, key = content.split()
         return uuid, key
     return None
 
 
-def convert_timestamp(timestamp: datetime) -> datetime:
-    return timestamp.replace(tzinfo=tz.tzutc()).astimezone(tz.tzlocal()).replace(tzinfo=None)
+def utc_to_local(timestamp: datetime) -> datetime:
+    return timestamp.replace(tzinfo=timezone.utc).astimezone().replace(tzinfo=None)
 
 
-def strip_float(num: float, precision):
+def strip_float(num: float, precision: int) -> str:
     return f"{num:.{precision}f}".rstrip("0").rstrip(".")
 
 
-def print_tree(items: List[Tuple[str, Optional[list]]], indent: Optional[List[bool]] = None):
+def print_tree(items: Sequence[tuple[str, Sequence[Any] | None]], indent: list[bool] | None = None) -> None:
     if not indent:
         indent = []
     for i, (item, children) in enumerate(items):
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000..e95c0b4
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,4 @@
+[mypy]
+strict = True
+ignore_missing_imports = True
+plugins=pydantic.mypy
diff --git a/pycrypcli.py b/pycrypcli.py
deleted file mode 100755
index 3e9076c..0000000
--- a/pycrypcli.py
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python3
-
-from PyCrypCli.pycrypcli import main
-
-if __name__ == "__main__":
-    main()
diff --git a/pyproject.toml b/pyproject.toml
index 55ec8d7..19ef237 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,4 @@
 [tool.black]
+target-version = ["py310"]
 line-length = 120
+skip-magic-trailing-comma = true
diff --git a/requirements.txt b/requirements.txt
index c3a4222..9e790b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@ pyreadline~=2.1
 pypresence~=4.2
 python-dateutil~=2.8
 sentry-sdk~=1.5
-requests~=2.27
\ No newline at end of file
+requests~=2.27
+pydantic~=1.9