Add c8ntinuum Mainnet Beta to Wallet

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Network details

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MetaMask browser

1. Open MetaMask and click the network dropdown.
2. Click Add Network.
3. Click Add a network manually.
4. Enter the values from the table above.
5. Click Save and switch to c8ntinuum.

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MetaMask mobile

1. Open MetaMask mobile.
2. Tap the network selector at the top of the wallet.
3. Tap Add a custom network.
4. Enter the c8ntinuum mainnet values from the table above.
5. Save the network, then switch to c8ntinuum before approving dapp connections.

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Rabby and Coinbase Wallet

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Ledger Nano hardware wallets

1. Unlock the Ledger Nano and open the Ledger Ethereum app.
2. Connect the Nano to your EVM wallet over USB (Nano S Plus, Nano X) or Bluetooth (Nano X).
3. Select the Ethereum-compatible account derived with the standard Ethereum path.
4. Switch the connected wallet to c8ntinuum before signing.

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Add c8ntinuum from a dapp

await window.ethereum.request({
  method: "wallet_addEthereumChain",
  params: [
    {
      chainId: "0x8",
      chainName: "c8ntinuum",
      nativeCurrency: {
        name: "CTM",
        symbol: "CTM",
        decimals: 18,
      },
      rpcUrls: ["https://public-evm-rpc.c8ntinuum.com"],
      blockExplorerUrls: ["https://ctmscan.io"],
    },
  ],
});

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Import wrapped CTM

0xc8Fb80fCc03f699C70ff0CC08C09106288888888

1. Switch the wallet to c8ntinuum.
2. Open the wallet’s token import flow.
3. Paste the WETH9 address above.
4. Let the wallet auto-detect token metadata, then confirm the import.

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Confirm it worked

• The selected wallet network should be c8ntinuum.
• The selected chain ID should be 8 or 0x8.
• Native balances should display as CTM.
• Account and transaction links should open CTMScan.
• A JSON-RPC eth_chainId request should return 0x8:

curl -X POST https://public-evm-rpc.c8ntinuum.com \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'

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Troubleshooting