Common public chains: Ethereum Chain (ETH), Binance Smart Chain (BSC), Huobi Ecological Chain (HECO), Terra Chain, FTM, OKChain, etc. https://chainlist.org chainlist website can query some common public chain nodes and add settings.
Method 1: Add via Chainlist
Take the Avalanche chain as an example.Open https://chainlist.org/ in your browser to search for the Avalanche chain to add it.
Method 2: Manual setting
Enter the extension custom RPC to add it manually.
The following chain already exists in the OneKey browser extension, and it can be switched automatically. The list is only for reference.
Binance Smart Chain: Network name Binance Smart Chain
New RPC URL: https://bsc-dataseed1.binance.org:443
Block explorer: https://bscscan.com/
Huobi Smart Chain: Network name HECO mainnet
New RPC: https://http-mainnet.hecochain.com
Chain ID: 128
Block explorer: https://scan.hecochain.com
Fantom chain: network name fantom mainnet
Added RPC: https://rpcapi.fantom.network
Chain ID: 250
Block explorer: https://ftmscan.com