MetaMask User Introduction
Open MetaMask, you can see that the wallet is set to the Ethereum mainnet by default, click on the Ethereum mainnet, and click Custom RPC in the drop-down menu:
Config Metamask For OKExChain Testnet:
NetWork Name: OKExChain Testnet
Chain ID: 65
Currency Symbol: OKT
After the configuration is completed and saved, switch to this network(OKExChainTestnet).