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Metamask is a crypto multi cain wallet & gateway to blockchain apps.
What is MetaMask?
MetaMask work in your Browser (Chrome, Firefox, Brave and Edge ) and in your Smartphone. You can download it from here: https://metamask.io/download.html
A new installation of Metamask starts with the Ethereum Blockchain. But you can use also other blockchains.
Go to Settings - Networks - Add Network. And now you can enter new Blockchain Adresses. Or click above on the name (e.g: Ethereum Mainet) - custom RPC
The Adresses
1) Binance Smart Chain
Network Name: Binance Smart Chain
New RPC URL: https://bsc-dataseed.binance.org/
ChainID: 56
Symbol: BNB
Block Explorer URL: https://bscscan.com/
2) Polygon
Network Name: Matic Network
New RPC URL: https://rpc-mainnet.maticvigil.com/
ChainID: 137
Symbol: MATIC
Block Explorer URL: https://explorer-mainnet.maticvigil.com/ or
Block Explorer URL: https://polygonscan.com/
3) Fantom
Network Name: Fantom Opera
New RPC Url: https://rpcapi.fantom.network
ChainID: 250
Symbol: FTM
Block Explorer URL: https://ftmscan.com/
4) Avalanche
Network Name: Avalanche Network
New RPC URL: https://api.avax.network/ext/bc/C/rpc
ChainID: 0xa86a
ChainID: 43114
Symbol: AVAX
Block ExplorerURL: https://cchain.explorer.avax.network/
5) xDai
Network Name: xDai
New RPC URL: https://rpc.xdaichain.com/
Chain ID: 0x64
Symbol: xDai
Block Explorer URL: https://blockscout.com/xdai/mainnet/
6) SmartBCH
Networkname: SmartBCH
RPC-URL: https://smartbch.fountainhead.cash/mainnet
Chain ID : 10000
Symbol : BCH
Block Explorer URL: https://www.smartscan.cash/
7) MultiVAC Mainnet
Networkname: MultiVAC Mainnet
RPC-URL: https://rpc.mtv.ac
Chain ID: 62621
Current Symbol: MTV
Block Explorer URL: https://e.mtv.ac/
8) Harmony One
Networkname: Harmony Mainnet
RPC-URL: https://api.harmony.one
Chain ID: 1666600000
Current Symbol: ONE
Block Explorer URL: https://explorer.harmony.one/
info: Since Metamask does not allow you to send transactions to addresses starting with "one1", you need to get the equivalent 0x address of this same address.
Getting the 0x Equivalent Address
Go to https://explorer.harmony.one/#/ (Mainnet) and search for your address. On top Menu of the blockexplorer toogle the address format from ONE to ETH
More information to Harmony One and Metamask
9) Arbitrum One
Networkname: Arbitrum One
RPC-URL: https://arb1.arbitrum.io/rpc
ChainID: 42161
Symbol: AETH
Block Explorer URL : https://arbiscan.io/
10) Songbird
Networkname: Songbird
RPC-URL: https://songbird.towolabs.com/rpc
ChainID: 19
Symbol: SGB
Block Explorer URL: https://songbird-explorer.flare.network
11) Cronos Mainnet Crypto.com
Networkname: Cronos Mainnet
RPC-URL: https://evm-cronos.crypto.org/
RPC-URL: https://rpc.cronaswap.org
ChainID: 25
Symbol: CRO
Block Explorer URL: https://cronos.crypto.org/explorer
12) Fusion / AnySwap
Networkname: Fusion
RPC-URL: https://mainnet.anyswap.exchange
ChainID: 0x7f93
Symbol: FSN
Block Explorer URL: https://fsnex.com/
13) EOS
Networkname: EOS
RPC-URL: https://api.eosargentina.io
ChainID: 59
Symbol: EOS
Block Explorer URL: https://bloks.eosargentina.io
14) Expanse Network
Networkname: Expanse Network
RPC-URL: https://node.expanse.tech
ChainID: 2
Symbol: EXP
Block Explorer URL: https://expanse.tech
More networks you can find on the chainlist.org
Chainlist is a list of EVM networks. Users can use the information to connect their wallets and Web3 middleware providers to the appropriate Chain ID and Network ID to connect to the correct chain.
Do you have other Blockchain adresses?
(Screenshots © by MetaMask from metamask.io)
Disclaimer: Use at your own risk.
Thanks for reading this, thanks for the tip and stay healthy