diff --git a/deploy/deploy-metadata.js b/deploy/deploy-metadata.js
new file mode 100644
index 0000000..69f9472
--- /dev/null
+++ b/deploy/deploy-metadata.js
@@ -0,0 +1,35 @@
+const hre = require('hardhat');
+// const { ethers } = hre;
+const { getChainId } = hre;
+
+module.exports = async ({ deployments, getNamedAccounts }) => {
+    const networkName = hre.network.name;
+    console.log(`running ${networkName} deploy script`);
+    const chainId = await getChainId();
+    console.log('network id ', chainId);
+    if (chainId !== hre.config.networks[networkName].chainId.toString()) {
+        console.log(`network chain id: ${hre.config.networks[networkName].chainId}, your chain id ${chainId}`);
+        console.log('skipping wrong chain id deployment');
+        return;
+    }
+
+    const { deploy } = deployments;
+    const { deployer } = await getNamedAccounts();
+
+    const contractName = 'AddressTokenMetadata';
+    const contract = await deploy('AddressTokenMetadata', {
+        from: deployer,
+        contract: contractName,
+        skipIfAlreadyDeployed: true,
+    });
+
+    console.log(`${contractName} deployed to: ${contract.address}`);
+
+    if (chainId !== '31337') {
+        await hre.run('verify:verify', {
+            address: contract.address,
+        });
+    }
+};
+
+module.exports.skip = async () => true;
diff --git a/hardhat.networks.js b/hardhat.networks.js
index 97f985f..97e7ad5 100644
--- a/hardhat.networks.js
+++ b/hardhat.networks.js
@@ -1,18 +1,23 @@
 const networks = {
-    // Uncomment this to use hardhat forking
     // hardhat: {
     //     forking: {
     //         url: process.env.MAINNET_RPC_URL,
+    //         httpHeaders: {
+    //             'auth-key': process.env.RPC_AUTH_HEADER,
+    //         },
     //     },
     //     chainId: Number(process.env.FORK_CHAIN_ID) || 31337,
     // },
 };
-const etherscan = { apiKey: {} };
+const etherscan = { apiKey: {}, customChains: [] };
 
 function register (name, chainId, url, privateKey, etherscanNetworkName, etherscanKey) {
     if (url && privateKey && etherscanKey) {
         networks[name] = {
             url,
+            httpHeaders: {
+                'auth-key': process.env.RPC_AUTH_HEADER,
+            },
             chainId,
             accounts: [privateKey],
         };
@@ -36,10 +41,11 @@ register('kovan', 42, process.env.KOVAN_RPC_URL, process.env.KOVAN_PRIVATE_KEY,
 register('optimistic', 10, process.env.OPTIMISTIC_RPC_URL, process.env.OPTIMISTIC_PRIVATE_KEY, 'optimisticEthereum', process.env.OPTIMISTIC_ETHERSCAN_KEY);
 register('matic', 137, process.env.MATIC_RPC_URL, process.env.MATIC_PRIVATE_KEY, 'polygon', process.env.MATIC_ETHERSCAN_KEY);
 register('arbitrum', 42161, process.env.ARBITRUM_RPC_URL, process.env.ARBITRUM_PRIVATE_KEY, 'arbitrumOne', process.env.ARBITRUM_ETHERSCAN_KEY);
-register('xdai', 100, process.env.XDAI_RPC_URL, process.env.XDAI_PRIVATE_KEY, 'xdai', process.env.XDAI_ETHERSCAN_KEY);
+register('xdai', 100, process.env.XDAI_RPC_URL, process.env.XDAI_PRIVATE_KEY, 'gnosis', process.env.XDAI_ETHERSCAN_KEY);
 register('avax', 43114, process.env.AVAX_RPC_URL, process.env.AVAX_PRIVATE_KEY, 'avalanche', process.env.AVAX_ETHERSCAN_KEY);
 register('fantom', 250, process.env.FANTOM_RPC_URL, process.env.FANTOM_PRIVATE_KEY, 'opera', process.env.FANTOM_ETHERSCAN_KEY);
 register('aurora', 1313161554, process.env.AURORA_RPC_URL, process.env.AURORA_PRIVATE_KEY, 'aurora', process.env.AURORA_ETHERSCAN_KEY);
+register('base', 8453, process.env.BASE_RPC_URL, process.env.BASE_PRIVATE_KEY, 'base', process.env.BASE_ETHERSCAN_KEY);
 registerCustom('klaytn', 8217, process.env.KLAYTN_RPC_URL, process.env.KLAYTN_PRIVATE_KEY, process.env.KLAYTN_ETHERSCAN_KEY, 'https://scope.klaytn.com/', 'https://scope.klaytn.com/');
 
 module.exports = {