diff --git a/package.json b/package.json
index aa804fd..002f227 100644
--- a/package.json
+++ b/package.json
@@ -107,4 +107,4 @@
       "ethers": "^5.7.2"
     }
   }
-}
+}
\ No newline at end of file
diff --git a/src/utils/provider.ts b/src/utils/provider.ts
index 3657af6..ef5975b 100644
--- a/src/utils/provider.ts
+++ b/src/utils/provider.ts
@@ -5,14 +5,36 @@ const INFURA_ID = process.env.INFURA_ID;
 export const NETWORK_IDS = {
   MAIN_NET: 1,
   ROPSTEN: 3,
-  GOERLI: 5,
+  SEPOLIA: 11155111,
   XDAI: 100,
   POLYGON: 137,
   OPTIMISTIC: 10,
-  OPTIMISM_GOERLI: 420,
+  OPTIMISM_SEPOLIA: 11155420,
   BSC: 56,
   CELO: 42220,
   CELO_ALFAJORES: 44787,
+  ETC: 61,
+  MORDOR_ETC_TESTNET: 63,
+
+  ARBITRUM_MAINNET: 42161,
+  ARBITRUM_SEPOLIA: 421614,
+
+  BASE_MAINNET: 8453,
+  BASE_SEPOLIA: 84532,
+
+  ZKEVM_MAINNET: 1101,
+  ZKEVM_CARDONA: 2442,
+
+  STELLAR_MAINNET: 1500,
+
+  // https://docs.particle.network/developers/other-services/node-service/solana-api
+  SOLANA_MAINNET: 101,
+  SOLANA_TESTNET: 102,
+  SOLANA_DEVNET: 103,
+
+  // Cardano (Blockfrost uses projectId not numeric chain id, but we map one for consistency)
+  CARDANO_MAINNET: 3000,
+  CARDANO_PREPROD: 3001,
 };
 
 const NETWORK_NAMES = {
@@ -20,12 +42,26 @@ const NETWORK_NAMES = {
   XDAI: 'xdaichain',
   MAINNET: 'mainnet',
   ROPSTEN: 'ropsten',
-  GOERLI: 'goerli',
+  SEPOLIA: 'sepolia',
   POLYGON: 'polygon-mainnet',
   OPTIMISTIC: 'optimistic-mainnet',
-  OPTIMISM_GOERLI: 'optimism-goerli-testnet',
+  OPTIMISM_SEPOLIA: 'optimism-sepolia-testnet',
   CELO: 'Celo',
   CELO_ALFAJORES: 'Celo Alfajores',
+  ETC: 'Ethereum Classic',
+  MORDOR_ETC_TESTNET: 'Ethereum Classic Testnet',
+  ARBITRUM_MAINNET: 'Arbitrum Mainnet',
+  ARBITRUM_SEPOLIA: 'Arbitrum Sepolia',
+  BASE_MAINNET: 'Base Mainnet',
+  BASE_SEPOLIA: 'Base Sepolia',
+
+  ZKEVM_CARDONA: 'ZKEVM Cardona',
+  ZKEVM_MAINNET: 'ZKEVM Mainnet',
+
+  STELLAR_MAINNET: 'Stellar Mainnet',
+
+  CARDANO_MAINNET: 'Cardano Mainnet',
+  CARDANO_PREPROD: 'Cardano Preprod',
 };
 
 export const getOriginHeader = () => {
@@ -40,6 +76,9 @@ export function getSafeTransactionNetworkUrl(network: number) {
     case NETWORK_IDS.MAIN_NET:
       url = 'https://safe-transaction-mainnet.safe.global/';
       break;
+    case NETWORK_IDS.SEPOLIA:
+      url = 'https://safe-transaction-sepolia.safe.global/';
+      break;
     case NETWORK_IDS.XDAI:
       url = 'https://safe-transaction-gnosis-chain.safe.global/';
       break;
@@ -49,15 +88,53 @@ export function getSafeTransactionNetworkUrl(network: number) {
     case NETWORK_IDS.CELO:
       url = 'https://safe-transaction-celo.safe.global/';
       break;
+    case NETWORK_IDS.CELO_ALFAJORES:
+      // If not supported by Safe, fall back to mainnet
+      url = 'https://safe-transaction-mainnet.safe.global/';
+      break;
     case NETWORK_IDS.OPTIMISTIC:
       url = 'https://safe-transaction-optimism.safe.global/';
       break;
-    case NETWORK_IDS.GOERLI:
-      url = 'https://safe-transaction-goerli.safe.global/';
+    case NETWORK_IDS.OPTIMISM_SEPOLIA:
+      url = 'https://safe-transaction-optimism-sepolia.safe.global/';
       break;
     case NETWORK_IDS.POLYGON:
       url = 'https://safe-transaction-polygon.safe.global/';
       break;
+    case NETWORK_IDS.ARBITRUM_MAINNET:
+      url = 'https://safe-transaction-arbitrum.safe.global/';
+      break;
+    case NETWORK_IDS.ARBITRUM_SEPOLIA:
+      url = 'https://safe-transaction-arbitrum-sepolia.safe.global/';
+      break;
+    case NETWORK_IDS.BASE_MAINNET:
+      url = 'https://safe-transaction-base.safe.global/';
+      break;
+    case NETWORK_IDS.BASE_SEPOLIA:
+      url = 'https://safe-transaction-base-sepolia.safe.global/';
+      break;
+    case NETWORK_IDS.ZKEVM_MAINNET:
+      // If not supported by Safe, fall back to mainnet
+      url = 'https://safe-transaction-mainnet.safe.global/';
+      break;
+    case NETWORK_IDS.ZKEVM_CARDONA:
+      // If not supported by Safe, fall back to mainnet
+      url = 'https://safe-transaction-mainnet.safe.global/';
+      break;
+    case NETWORK_IDS.ETC:
+    case NETWORK_IDS.MORDOR_ETC_TESTNET:
+      // Not supported by Safe Transaction Service
+      url = 'https://safe-transaction-mainnet.safe.global/';
+      break;
+    case NETWORK_IDS.STELLAR_MAINNET:
+    case NETWORK_IDS.SOLANA_MAINNET:
+    case NETWORK_IDS.SOLANA_TESTNET:
+    case NETWORK_IDS.SOLANA_DEVNET:
+    case NETWORK_IDS.CARDANO_MAINNET:
+    case NETWORK_IDS.CARDANO_PREPROD:
+      // Non-EVM networks are unsupported by Safe Transaction Service
+      url = 'https://safe-transaction-mainnet.safe.global/';
+      break;
     default:
       return 'https://safe-transaction-mainnet.safe.global/';
   }
@@ -68,6 +145,14 @@ export function getProvider(networkId: number) {
   let url;
   let options;
   switch (networkId) {
+    case NETWORK_IDS.MORDOR_ETC_TESTNET:
+      url =
+        (process.env.MORDOR_ETC_TESTNET as string) ||
+        `https://rpc.mordor.etccooperative.org`;
+      break;
+    case NETWORK_IDS.ETC:
+      url = process.env.ETC_NODE_HTTP_URL as string;
+      break;
     case NETWORK_IDS.XDAI:
       url = process.env.XDAI_NODE_HTTP_URL as string;
       break;
@@ -90,8 +175,45 @@ export function getProvider(networkId: number) {
         `https://celo-alfajores.infura.io/v3/${INFURA_ID}`;
       break;
 
-    case NETWORK_IDS.OPTIMISM_GOERLI:
-      url = `https://optimism-goerli.infura.io/v3/${INFURA_ID}`;
+    case NETWORK_IDS.OPTIMISM_SEPOLIA:
+      url = `https://optimism-sepolia.infura.io/v3/${INFURA_ID}`;
+      break;
+
+    case NETWORK_IDS.ARBITRUM_MAINNET:
+      url =
+        (process.env.ARBITRUM_MAINNET_NODE_HTTP_URL as string) ||
+        `https://arbitrum-mainnet.infura.io/v3/${INFURA_ID}`;
+      break;
+
+    case NETWORK_IDS.ARBITRUM_SEPOLIA:
+      url =
+        (process.env.ARBITRUM_SEPOLIA_NODE_HTTP_URL as string) ||
+        `https://arbitrum-sepolia.infura.io/v3/${INFURA_ID}`;
+      break;
+
+    case NETWORK_IDS.BASE_MAINNET:
+      url =
+        (process.env.BASE_MAINNET_NODE_HTTP_URL as string) ||
+        `https://base-mainnet.infura.io/v3/${INFURA_ID}`;
+      break;
+
+    case NETWORK_IDS.BASE_SEPOLIA:
+      url =
+        (process.env.BASE_SEPOLIA_NODE_HTTP_URL as string) ||
+        `https://base-sepolia.infura.io/v3/${INFURA_ID}`;
+      break;
+
+    // Infura doesn support Polygon ZKEVM
+    case NETWORK_IDS.ZKEVM_MAINNET:
+      url = process.env.ZKEVM_MAINNET_NODE_HTTP_URL as string;
+      break;
+
+    case NETWORK_IDS.ZKEVM_CARDONA:
+      url = process.env.ZKEVM_CARDONA_NODE_HTTP_URL as string;
+      break;
+
+    case NETWORK_IDS.STELLAR_MAINNET:
+      url = process.env.STELLAR_HORIZON_API_URL as string;
       break;
 
     default: {