Adding Networks to Metamask
To use multiple networks in Metamask, you must add each network to Metamask.
Use https://chainlist.org/ to easily add every network with one click.
Alternatively, open Metamask, navigate to the settings page and click the Networks menu. Then use the "Add Network" button. You'll then need to enter the following info for each network:
| Network Name | New RPC URL | ChainID | Currency Symbol | Block Explorer URL |
|---|---|---|---|---|
| Binance SC | https://bsc-dataseed.binance.org | 56 | BNB | https://bscscan.com |
| Polygon | https://polygon-rpc.com | 137 | MATIC | https://polygonscan.com |
| Avalanche | https://api.avax.network/ext/bc/C/rpc | 43114 | AVAX | https://snowtrace.io |
| Arbitrum | https://arb1.arbitrum.io/rpc | 42161 | ETH | https://arbiscan.io |
| Fantom Opera | https://rpc.ftm.tools | 250 | FTM | https://ftmscan.com |
| Optimism | https://mainnet.optimism.io | 10 | ETH | https://optimistic.etherscan.io |