Connecting MetaMask

Manual setup

1. Open MetaMask and click the network selector
2. Click Add Network then Add a network manually
3. Enter the following:

Field	Value
Network Name	Specter Testnet
New RPC URL	https://testnet.specterchain.com
Chain ID	5445
Currency Symbol	GHOST
Block Explorer URL	https://explorer.specterchain.com

4. Click Save

Programmatic setup

Add Specter to MetaMask from your dApp:

async function addSpecterNetwork() {
  await window.ethereum.request({
    method: 'wallet_addEthereumChain',
    params: [{
      chainId: '0x1545',
      chainName: 'Specter Testnet',
      nativeCurrency: {
        name: 'GHOST',
        symbol: 'GHOST',
        decimals: 18,
      },
      rpcUrls: ['https://testnet.specterchain.com'],
      blockExplorerUrls: ['https://explorer.specterchain.com'],
    }],
  });
}

Adding GhostERC20 tokens

To see GhostERC20 token balances in MetaMask, import them as custom tokens:

Token	Contract Address
gUSDC	0x65c9091a6A45Db302a343AF460657C298FAA222D
gWETH	0x923295a3e3bE5eDe29Fc408A507dA057ee044E81
gLABS	0x062f8a68f6386c1b448b3379abd369825bec9aa2

All GhostERC20 tokens use 18 decimals and are standard ERC20-compatible.

WalletConnect

For WalletConnect integration, register a project at WalletConnect Cloud and use your project ID:

import { specterTestnet } from './chains';

const projectId = 'YOUR_WALLETCONNECT_PROJECT_ID';

Troubleshooting

MetaMask shows 0 gas price: This is expected. The Cosmos EVM module may report 0, but the chain enforces 1 gwei minimum. Set gas price explicitly in your transactions.

Transaction stuck pending: Ensure you're using the correct chain ID (5445) and RPC URL. Try resetting the account in MetaMask (Settings > Advanced > Clear activity tab data).

Nonce too low: If you've been testing and restarting, MetaMask may have a stale nonce. Reset the account to fix this.