Custom RPCs for Metamask
Silent Crypto LootersRPC = Remote Procedure Call
Note : These are Valid RPCs As Of 20th November 2021 (These Might Change In Future).
How To Add Custom RPC In MetaMask?

1. Matic Mainnet :
Network Name: Matic Mainnet
New RPC URL: https://rpc-mainnet.maticvigil.com
ChainID: 137
Symbol: MATIC
Block Explorer URL: https://explorer.matic.network
2. Heco Mainnet :
Network Name: Heco Mainnet
New RPC URL: https://http-mainnet-node.huobichain.com
ChainID: 128
Symbol: HT
Block Explorer URL: https://hecoinfo.com
3. Binance Smart Chain (BSC) Mainnet :
Network Name: Binance Smart Chain
New RPC URL: https://bsc-dataseed.binance.org/
ChainID: 56
Symbol: BNB
Block Explorer URL: LEAVE IT BLANK
4. Binance Smartchain Testnet :
Network Name: BSC Testnet
New RPC URL: https://data-seed-prebsc-1-s1.binance.org:8545
ChainID: 97
Symbol: BNB
Block Explorer URL: https://explorer.binance.org/smart-testnet
5. HOO Mainnet :
Network Name: Hoo Mainnet
New RPC URL: https://http-mainnet.hoosmartchain.com
ChainID: 70
Symbol: HOO
Block Explorer URL: https://hscscan.com
6. Fantom Mainnet :
Network Name : Fantom Mainnet
New RPC URL : https://rpcapi.fantom.network
ChainID : 250
Symbol : FTM
Block Explorer URL : https://ftmscan.com
7. Avax (Avalanche Mainnet C-Chain Network) :
Network Name: Avalanche Mainnet
New RPC URL: https://api.avax.network/ext/bc/C/rpc
ChainID: 0xa86a
Symbol: AVAX
Explorer: https://cchain.explorer.avax.network
8. Avax (Avalanche Testnet Network) :
Network Name: Avalanche Fuji Testnet
New RPC URL: https://api.avax-test.network/ext/bc/C/rpc
Chain ID: 43113
Currency Symbol: AVAX
Block Explorer URL: https://cchain.explorer.avax-test.network
9. OKExChain (OEC) Mainnet :
Network Name: OKExChain Mainnet
New RPC URL: https://exchainrpc.okex.org
Chain ID: 66
Currency Symbol: OKT
Block Explorer URL: https://www.oklink.com/okexchain
10. OKExChain (OEC) Testnet :
Network Name: OKExChain Testnet
New RPC URL: https://exchaintest.okexcn.com
Chain ID: 65
Currency Symbol: OKT
Block Explorer URL: https://www.oklink.com/OKExChain-test
11. TomoChain (TOMO) :
Network Name: TomoChain Mainnet
New RPC URL: https://rpc.tomochain.com
Chain ID: 88
Currency Symbol: TOMO
Block Explorer URL: https://scan.tomochain.com
12. Emerald Mainnet:
Network Name: Emerald Mainnet
Network URL: https://emerald.oasis.dev
Chain ID: 42262
Currency Symbol: ROSE
Block Explorer URL: https://explorer.emerald.oasis.dev