**Основные сети для добавления в METAMASK. Просто оставлю это здесь**
Network Name : Binance Smart Chain MainNet
New RPC URL : https://bsc-dataseed.binance.org/
ChainID : 56
Symbol : BNB
Block Explorer URL : https://bscscan.com
Source : https://docs.binance.org/smart-chain/developer/rpc.html
Network Name: Polygon MainNet
New RPC URL: https://rpc-mainnet.matic.network
ChainID: 137
Symbol: MATIC
Block Explorer URL: https://explorer.matic.network/
Source : https://docs.matic.network/docs/develop/network-details/network/
Network Name: Avalanche MainNet
New RPC URL: https://api.avax.network/ext/bc/C/rpc
ChainID: 43114
Symbol: AVAX
Block Explorer URL: https://cchain.explorer.avax.network/
Source : https://support.avax.network/en/articles/4626956-how-do-i-set-up-metamask-on-avalanche
Network Name: xDai MainNet
New RPC URL: https://rpc.xdaichain.com/
ChainID: 0x64
Symbol: xDai
Block Explorer URL: https://blockscout.com/xdai/mainnet/
Source : https://www.xdaichain.com/for-users/wallets/metamask/metamask-setup
