Connect to Khromosome

Add the network to MetaMask

Field	Value
Network name	Khromosome
New RPC URL	https://rpc.khromosome.xyz
Chain ID	777001
Currency symbol	KHROME
Block explorer	https://explorer.khromosome.network

In MetaMask: Settings → Networks → Add a network → Add a network manually, enter the values above, and save.

Add it programmatically (EIP-3085)

await window.ethereum.request({
  method: 'wallet_addEthereumChain',
  params: [{
    chainId: '0xBDB29', // 777001
    chainName: 'Khromosome',
    nativeCurrency: { name: 'KHROME', symbol: 'KHROME', decimals: 18 },
    rpcUrls: ['https://rpc.khromosome.xyz'],
    blockExplorerUrls: ['https://explorer.khromosome.network'],
  }],
});

Verify the connection with curl

curl -s https://rpc.khromosome.xyz \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'
# => {"jsonrpc":"2.0","id":1,"result":"0xbdb29"}   (777001)

Get test KHROME

You need KHROME to pay gas. Request test funds from the faucet, or ask the operator for a funded key on the testnet. Once funded, confirm your balance in the explorer.