diff --git a/website/src/components/CreatePortal.tsx b/website/src/components/CreatePortal.tsx
index dff8d4cf..a780e5dc 100644
--- a/website/src/components/CreatePortal.tsx
+++ b/website/src/components/CreatePortal.tsx
@@ -1,10 +1,11 @@
 import { type FunctionComponent, useState } from "react";
 import { VeraxSdk } from "@verax-attestation-registry/verax-sdk";
 import { useAccount } from "wagmi";
+import { Address } from "@wagmi/core";
 
 export type SDKDemoProps = {
   veraxSdk: VeraxSdk;
-  getTxHash: (hash: `0x${string}`) => void;
+  getTxHash: (hash: Address) => void;
 };
 
 const CreatePortal: FunctionComponent<SDKDemoProps> = ({ veraxSdk, getTxHash }) => {
diff --git a/website/src/components/CreateSchema.tsx b/website/src/components/CreateSchema.tsx
index d8c4e276..ae26a32e 100644
--- a/website/src/components/CreateSchema.tsx
+++ b/website/src/components/CreateSchema.tsx
@@ -1,11 +1,12 @@
 import { type FunctionComponent, useEffect, useState } from "react";
 import { VeraxSdk } from "@verax-attestation-registry/verax-sdk";
 import { useAccount } from "wagmi";
+import { Address } from "@wagmi/core";
 
 export type SDKDemoProps = {
   veraxSdk: VeraxSdk;
-  getTxHash: (hash: `0x${string}`) => void;
-  getSchemaId: (schemaId: `0x${string}`) => void;
+  getTxHash: (hash: Address) => void;
+  getSchemaId: (schemaId: Address) => void;
 };
 
 const SCHEMA = "(bool hasCompletedTutorial)";
@@ -20,7 +21,7 @@ const CreateSchema: FunctionComponent<SDKDemoProps> = ({ veraxSdk, getTxHash, ge
 
   useEffect(() => {
     const fetchSchema = async () => {
-      const schemaId = (await veraxSdk.schema.getIdFromSchemaString(SCHEMA)) as `0x${string}`;
+      const schemaId = (await veraxSdk.schema.getIdFromSchemaString(SCHEMA)) as Address;
       const alreadyExists = (await veraxSdk.schema.getSchema(schemaId)) as boolean;
       setSchemaId(schemaId);
       setSchemaExists(alreadyExists);
diff --git a/website/src/components/IssueAttestation.tsx b/website/src/components/IssueAttestation.tsx
index 46cd422c..8d8ce76c 100644
--- a/website/src/components/IssueAttestation.tsx
+++ b/website/src/components/IssueAttestation.tsx
@@ -1,12 +1,13 @@
 import { type FunctionComponent, useState } from "react";
 import { VeraxSdk } from "@verax-attestation-registry/verax-sdk";
 import { useAccount } from "wagmi";
+import { Address } from "@wagmi/core";
 
 export type SDKDemoProps = {
   veraxSdk: VeraxSdk;
-  getTxHash: (hash: `0x${string}`) => void;
-  schemaId: `0x${string}`;
-  portalId: `0x${string}`;
+  getTxHash: (hash: Address) => void;
+  schemaId: Address;
+  portalId: Address;
 };
 
 const IssueAttestation: FunctionComponent<SDKDemoProps> = ({ veraxSdk, getTxHash, schemaId, portalId }) => {
diff --git a/website/src/pages/Tutorials.tsx b/website/src/pages/Tutorials.tsx
index bfb757ab..a87e1f32 100644
--- a/website/src/pages/Tutorials.tsx
+++ b/website/src/pages/Tutorials.tsx
@@ -5,7 +5,7 @@ import ConnectWallet from "../components/ConnectWallet.tsx";
 import IssueAttestation from "../components/IssueAttestation.tsx";
 import AttestationPreview from "../components/AttestationPreview.tsx";
 import { waitForTransactionReceipt } from "viem/actions";
-import { getPublicClient } from "@wagmi/core";
+import { Address, getPublicClient } from "@wagmi/core";
 import CreateSchema from "../components/CreateSchema.tsx";
 import CreatePortal from "../components/CreatePortal.tsx";
 import { decodeEventLog, parseAbi } from "viem";
@@ -16,8 +16,8 @@ export type SDKDemoProps = {
 
 const Tutorials: FunctionComponent<SDKDemoProps> = ({ title }) => {
   const [veraxSdk, setVeraxSdk] = useState<VeraxSdk>();
-  const [schemaId, setSchemaId] = useState<`0x${string}`>();
-  const [portalId, setPortalId] = useState<`0x${string}`>();
+  const [schemaId, setSchemaId] = useState<Address>();
+  const [portalId, setPortalId] = useState<Address>();
   const [attestationId, setAttestationId] = useState<string>();
 
   const { address, isConnected } = useAccount();
@@ -36,14 +36,14 @@ const Tutorials: FunctionComponent<SDKDemoProps> = ({ title }) => {
     }
   }, [chain, address]);
 
-  const handleSchemaTx = async (hash: `0x${string}`) => {
+  const handleSchemaTx = async (hash: Address) => {
     const receipt = await waitForTransactionReceipt(getPublicClient(), {
       hash,
     });
     setSchemaId(receipt.logs[0].topics[1]);
   };
 
-  const handlePortalTx = async (hash: `0x${string}`) => {
+  const handlePortalTx = async (hash: Address) => {
     const receipt = await waitForTransactionReceipt(getPublicClient(), {
       hash,
     });
@@ -55,7 +55,7 @@ const Tutorials: FunctionComponent<SDKDemoProps> = ({ title }) => {
     setPortalId(decodedLogs.args.portalAddress);
   };
 
-  const handleAttestationTx = async (hash: `0x${string}`) => {
+  const handleAttestationTx = async (hash: Address) => {
     const receipt = await waitForTransactionReceipt(getPublicClient(), {
       hash,
     });