diff --git a/bindings/python/iota_sdk/__init__.py b/bindings/python/iota_sdk/__init__.py
index ffcd2c2305..b62c123995 100644
--- a/bindings/python/iota_sdk/__init__.py
+++ b/bindings/python/iota_sdk/__init__.py
@@ -18,6 +18,7 @@
 from .types.block.wrapper import *
 from .types.block.validation import *
 from .types.block_builder_options import *
+from .types.block_issuer_key import *
 from .types.burn import *
 from .types.client_options import *
 from .types.common import *
diff --git a/bindings/python/iota_sdk/types/address.py b/bindings/python/iota_sdk/types/address.py
index c70ec342af..1884bf4b40 100644
--- a/bindings/python/iota_sdk/types/address.py
+++ b/bindings/python/iota_sdk/types/address.py
@@ -93,7 +93,7 @@ def deserialize_address(d: Dict[str, Any]) -> Address:
 def deserialize_addresses(
         dicts: List[Dict[str, Any]]) -> List[Address]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
diff --git a/bindings/python/iota_sdk/types/block_issuer_key.py b/bindings/python/iota_sdk/types/block_issuer_key.py
new file mode 100644
index 0000000000..fcf3326788
--- /dev/null
+++ b/bindings/python/iota_sdk/types/block_issuer_key.py
@@ -0,0 +1,57 @@
+# Copyright 2023 IOTA Stiftung
+# SPDX-License-Identifier: Apache-2.0
+
+from enum import IntEnum
+from dataclasses import dataclass, field
+from typing import Any, Dict, List, TypeAlias
+from iota_sdk.types.common import HexStr, json
+
+
+class BlockIssuerKeyType(IntEnum):
+    """BlockIssuerKey type variants.
+
+     Attributes:
+        ED25519 (0): Ed25519 block issuer key.
+    """
+    ED25519 = 0
+
+
+@json
+@dataclass
+class Ed25519BlockIssuerKey:
+    """A Block Issuer Key backed by an Ed25519 Public Key.
+    Attributes:
+        public_key: The hex encoded Ed25519 public key.
+    """
+    public_key: HexStr
+    type: int = field(
+        default_factory=lambda: int(
+            BlockIssuerKeyType.ED25519),
+        init=False)
+
+
+BlockIssuerKey: TypeAlias = Ed25519BlockIssuerKey
+
+
+def deserialize_block_issuer_key(d: Dict[str, Any]) -> BlockIssuerKey:
+    """
+    Takes a dictionary as input and returns an instance of a specific class based on the value of the 'type' key in the dictionary.
+
+    Arguments:
+    * `d`: A dictionary that is expected to have a key called 'type' which specifies the type of the returned value.
+    """
+    block_issuer_key_type = d['type']
+    if block_issuer_key_type == block_issuer_key_type.ED25519:
+        return Ed25519BlockIssuerKey.from_dict(d)
+    raise Exception(f'invalid block issuer key type: {block_issuer_key_type}')
+
+
+def deserialize_block_issuer_keys(
+        dicts: List[Dict[str, Any]]) -> List[BlockIssuerKey]:
+    """
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
+
+    Arguments:
+    * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
+    """
+    return list(map(deserialize_block_issuer_key, dicts))
diff --git a/bindings/python/iota_sdk/types/context_input.py b/bindings/python/iota_sdk/types/context_input.py
index fcdd6a3f35..61d3f7cebb 100644
--- a/bindings/python/iota_sdk/types/context_input.py
+++ b/bindings/python/iota_sdk/types/context_input.py
@@ -89,7 +89,7 @@ def deserialize_context_input(d: Dict[str, Any]) -> ContextInput:
 def deserialize_context_inputs(
         dicts: List[Dict[str, Any]]) -> List[ContextInput]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
diff --git a/bindings/python/iota_sdk/types/feature.py b/bindings/python/iota_sdk/types/feature.py
index b980f28232..7b392f2ca1 100644
--- a/bindings/python/iota_sdk/types/feature.py
+++ b/bindings/python/iota_sdk/types/feature.py
@@ -6,6 +6,7 @@
 from dataclasses import dataclass, field
 from dataclasses_json import config
 from iota_sdk.types.address import Address, deserialize_address
+from iota_sdk.types.block_issuer_key import BlockIssuerKey
 from iota_sdk.types.common import EpochIndex, HexStr, json, SlotIndex
 
 
@@ -93,11 +94,10 @@ class BlockIssuerFeature:
     """Contains the public keys to verify block signatures and allows for unbonding the issuer deposit.
     Attributes:
         expiry_slot: The slot index at which the Block Issuer Feature expires and can be removed.
-        public_keys: The Block Issuer Keys.
+        block_issuer_keys: The Block Issuer Keys.
     """
     expiry_slot: SlotIndex
-    # TODO Replace with a list of PublicKey types
-    public_keys: List[HexStr]
+    block_issuer_keys: List[BlockIssuerKey]
     type: int = field(
         default_factory=lambda: int(
             FeatureType.BlockIssuer),
@@ -157,7 +157,7 @@ def deserialize_feature(d: Dict[str, Any]) -> Feature:
 
 def deserialize_features(dicts: List[Dict[str, Any]]) -> List[Feature]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
diff --git a/bindings/python/iota_sdk/types/output.py b/bindings/python/iota_sdk/types/output.py
index 6d6b21b500..6a6ea8add0 100644
--- a/bindings/python/iota_sdk/types/output.py
+++ b/bindings/python/iota_sdk/types/output.py
@@ -279,7 +279,7 @@ def deserialize_output(d: Dict[str, Any]) -> Output:
 
 def deserialize_outputs(dicts: List[Dict[str, Any]]) -> List[Output]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
diff --git a/bindings/python/iota_sdk/types/payload.py b/bindings/python/iota_sdk/types/payload.py
index 9e14206a7d..f2db60d367 100644
--- a/bindings/python/iota_sdk/types/payload.py
+++ b/bindings/python/iota_sdk/types/payload.py
@@ -76,7 +76,7 @@ def deserialize_payload(d: Dict[str, Any]) -> Payload:
 def deserialize_payloads(
         dicts: List[Dict[str, Any]]) -> List[Payload]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
diff --git a/bindings/python/iota_sdk/types/unlock.py b/bindings/python/iota_sdk/types/unlock.py
index 2851b9085b..83abb597aa 100644
--- a/bindings/python/iota_sdk/types/unlock.py
+++ b/bindings/python/iota_sdk/types/unlock.py
@@ -100,7 +100,7 @@ def deserialize_unlock(d: Dict[str, Any]) -> Union[SignatureUnlock,
 def deserialize_unlocks(dicts: List[Dict[str, Any]]) -> List[Union[SignatureUnlock,
                                                                    ReferenceUnlock, AccountUnlock, NftUnlock]]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.
diff --git a/bindings/python/iota_sdk/types/unlock_condition.py b/bindings/python/iota_sdk/types/unlock_condition.py
index f45f102625..92972d95ed 100644
--- a/bindings/python/iota_sdk/types/unlock_condition.py
+++ b/bindings/python/iota_sdk/types/unlock_condition.py
@@ -177,7 +177,7 @@ def deserialize_unlock_condition(d: Dict[str, Any]) -> UnlockCondition:
 def deserialize_unlock_conditions(
         dicts: List[Dict[str, Any]]) -> List[UnlockCondition]:
     """
-    Takes a list of dictionaries as input and returns a list with specific instances of a classes based on the value of the 'type' key in the dictionary.
+    Takes a list of dictionaries as input and returns a list with specific instances of classes based on the value of the 'type' key in the dictionary.
 
     Arguments:
     * `dicts`: A list of dictionaries that are expected to have a key called 'type' which specifies the type of the returned value.