diff --git a/stablepay-sdk/package.json b/stablepay-sdk/package.json
index 6b4f884..873fbcc 100644
--- a/stablepay-sdk/package.json
+++ b/stablepay-sdk/package.json
@@ -15,8 +15,7 @@
     "djed-sdk": "^1.0.2",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "viem": "^2.21.53",
-    "web3": "^1.7.3"
+    "viem": "^2.21.53"
   },
   "devDependencies": {
     "@babel/preset-react": "^7.25.7",
diff --git a/stablepay-sdk/rollup.config.mjs b/stablepay-sdk/rollup.config.mjs
index 57aa2ca..f4cd33f 100644
--- a/stablepay-sdk/rollup.config.mjs
+++ b/stablepay-sdk/rollup.config.mjs
@@ -19,7 +19,6 @@ export default {
       file: "dist/umd/index.js",
       globals: {
         "djed-sdk": "DjedSdk",
-        web3: "Web3",
         react: "React",
         "react-dom": "ReactDOM",
         viem: "viem",
@@ -29,7 +28,7 @@ export default {
       assetFileNames: "assets/[name][extname]",
     },
   ],
-  external: ["djed-sdk", "web3", "react", "react-dom", "viem", "viem/chains"],
+  external: ["djed-sdk", "react", "react-dom", "viem", "viem/chains"],
   plugins: [
     resolve({
       extensions: [".js", ".jsx"],
diff --git a/stablepay-sdk/src/contexts/WalletContext.jsx b/stablepay-sdk/src/contexts/WalletContext.jsx
index 3eff2b2..b6533b4 100644
--- a/stablepay-sdk/src/contexts/WalletContext.jsx
+++ b/stablepay-sdk/src/contexts/WalletContext.jsx
@@ -25,7 +25,7 @@ export const WalletProvider = ({ children }) => {
 
   const connectWallet = useCallback(async () => {
     if (!window.ethereum) {
-      setError('Please install MetaMask or another Web3 wallet');
+      setError('Please install MetaMask or another Ethereum wallet');
       return false;
     }
 
diff --git a/stablepay-sdk/src/core/Transaction.js b/stablepay-sdk/src/core/Transaction.js
index 9a4d91b..041d7d9 100644
--- a/stablepay-sdk/src/core/Transaction.js
+++ b/stablepay-sdk/src/core/Transaction.js
@@ -12,9 +12,14 @@ export class Transaction {
     }
 
     try {
-      this.web3 = await getWeb3(this.networkUri);
-      this.djedContract = getDjedContract(this.web3, this.djedAddress);
-      const { stableCoin, reserveCoin } = await getCoinContracts(this.djedContract, this.web3);
+      // getWeb3 now returns {provider, signer}
+      const { provider, signer } = await getWeb3(this.networkUri);
+      this.provider = provider;
+      this.signer = signer;
+      
+      // Use signer for contract interactions (allows write operations)
+      this.djedContract = getDjedContract(this.signer, this.djedAddress);
+      const { stableCoin, reserveCoin } = await getCoinContracts(this.djedContract, this.signer);
       const { scDecimals, rcDecimals } = await getDecimals(stableCoin, reserveCoin);
       this.stableCoin = stableCoin;
       this.reserveCoin = reserveCoin;
@@ -23,10 +28,10 @@ export class Transaction {
 
       // Get the oracle contract
       this.oracleContract = await getOracleAddress(this.djedContract).then((addr) =>
-        getOracleContract(this.web3, addr, this.djedContract._address)
+        getOracleContract(this.signer, addr, this.djedContract.target)
       );
 
-      this.oracleAddress = this.oracleContract._address;
+      this.oracleAddress = this.oracleContract.target;
 
       console.log('Transaction initialized successfully');
     } catch (error) {
@@ -37,10 +42,11 @@ export class Transaction {
 
   getBlockchainDetails() {
     return {
-      web3Available: !!this.web3,
+      providerAvailable: !!this.provider,
+      signerAvailable: !!this.signer,
       djedContractAvailable: !!this.djedContract,
-      stableCoinAddress: this.stableCoin ? this.stableCoin._address : 'N/A',
-      reserveCoinAddress: this.reserveCoin ? this.reserveCoin._address : 'N/A',
+      stableCoinAddress: this.stableCoin ? this.stableCoin.target : 'N/A',
+      reserveCoinAddress: this.reserveCoin ? this.reserveCoin.target : 'N/A',
       stableCoinDecimals: this.scDecimals,
       reserveCoinDecimals: this.rcDecimals,
       oracleAddress: this.oracleAddress || 'N/A',
diff --git a/stablepay-sdk/src/core/Wallet.js b/stablepay-sdk/src/core/Wallet.js
index 0c666ef..31e32ba 100644
--- a/stablepay-sdk/src/core/Wallet.js
+++ b/stablepay-sdk/src/core/Wallet.js
@@ -7,7 +7,7 @@ export class Wallet {
 
   async connect() {
     if (!window.ethereum) {
-      throw new Error('No Web3 provider found');
+      throw new Error('No Ethereum provider found');
     }
 
     const accounts = await window.ethereum.request({