Developer FAQs
- mainnet: chainId: 1
- ropsten: chainId: 3
- rinkeby chainId: 4
- optimism: chainId: 10
- kovan: chainId: 42
- binance: chainId: 56
- optimisticKovan: chainId: 69
- xdai: chainId: 100
- polygon: chainId: 137
- ganache: chainId: 1337
- localhost: chainId: 31337
- arbitrum: chainId: 42161