1
https://mainnet.infura.io/v3/84842078b09946638c03157f83405213
https://cloudflare-eth.com
137
https://polygon-rpc.com
(recommended)https://rpc-mainnet.matic.network
https://rpc-mainnet.maticvigil.com
https://rpc-mainnet.matic.quiknode.pro
100
https://rpc.gnosischain.com
(recommended)https://xdai-archive.blockscout.com
10
https://mainnet.optimism.io
42161
https://arb1.arbitrum.io/rpc
42
https://kovan.infura.io/v3/84842078b09946638c03157f83405213
77
https://sokol.poa.network
69
https://kovan.optimism.io
5
https://goerli.infura.io/v3/84842078b09946638c03157f83405213
80001
https://matic-testnet-archive-rpc.bwarelabs.com