DEV Community

hideckies
hideckies

Posted on • Originally published at blog.hdks.org

Set Up MetaMask on Ethereum Layer2 Networks

I couldn't find websites that comprehensively listed the major Ethereum Layer 2 networks to set up in MetaMask, so I listed them up.

The value of **Network Name* is arbitrary.


Arbitrum Mainnet

Network Name Arb1
New RPC URL https://arb1.arbitrum.io/rpc
Chain ID 42161
Currency Symbol ETH
Block Explorer URL https://arbiscan.io

Reference:
https://coinguides.org/arbitrum-metamask-bridge/#arbitrum-metamask


Arbitrum Rinkeby (Testnet)

Network Name Arbitrum Rinkeby
New RPC URL https://rinkeby.arbitrum.io/rpc
Chain ID 421611
Currency Symbol ETH
Block Explorer URL https://rinkeby-explorer.arbiscan.io

Avalanche Mainnet

Network Name Avalanche Mainnet C-Chain
New RPC URL https://api.avax.network/ext/bc/C/rpc
Chain ID 43114
Currency Symbol AVAX
Block Explorer URL https://snowtrace.io/

Reference:
https://docs.avax.network/build/tutorials/smart-contracts/deploy-a-smart-contract-on-avalanche-using-remix-and-metamask/


Avalanche FUJI (Testnet)

Network Name Avalanche FUJI C-Chain
New RPC URL https://api.avax-test.network/ext/bc/C/rpc
Chain ID 43113
Currency Symbol AVAX
Block Explorer URL https://testnet.snowtrace.io/

Reference:
https://docs.avax.network/build/tutorials/smart-contracts/deploy-a-smart-contract-on-avalanche-using-remix-and-metamask/


BSC Mainnet

Network Name BSC Mainnet
New RPC URL https://bsc-dataseed.binance.org/
Chain ID 56
Currency Symbol BNB
Block Explorer URL https://bscscan.com

Reference:

https://docs.binance.org/smart-chain/wallet/metamask.html


BSC Testnet

Network Name BSC Testnet
New RPC URL https://data-seed-prebsc-1-s1.binance.org:8545/
Chain ID 97
Currency Symbol BNB
Block Explorer URL https://testnet.bscscan.com

Reference:

https://docs.binance.org/smart-chain/wallet/metamask.html


Fantom Mainnet

Network Name Fantom Mainnet
New RPC URL https://rpc.ftm.tools/
Chain ID 250
Currency Symbol FTM
Block Explorer URL https://ftmscan.com/

Reference:

https://docs.fantom.foundation/tutorials/set-up-metamask


Fantom Testnet

Network Name Fantom Testnet
New RPC URL https://rpc.testnet.fantom.network/
Chain ID 4002
Currency Symbol FTM
Block Explorer URL https://testnet.ftmscan.com/

Reference:

https://docs.fantom.foundation/tutorials/set-up-metamask-testnet


Optimism Mainnet

Network Name Optimistic Ethereum
New RPC URL https://mainnet.optimism.io/
Chain ID 10
Currency Symbol ETH
Block Explorer URL https://optimistic.etherscan.io/

Reference:

https://metamask.zendesk.com/hc/en-us/articles/4403700785691-Using-Optimistic-Ethereum-with-MetaMask


Optimism Kovan (Testnet)

Network Name Optimistic Kovan
New RPC URL https://kovan.optimism.io/
Chain ID 69
Currency Symbol ETH
Block Explorer URL https://kovan-optimistic.etherscan.io/

Polygon Mainnet

Network Name Polygon Mainnet
New RPC URL https://polygon-rpc.com/
Chain ID 137
Currency Symbol MATIC
Block Explorer URL https://polygonscan.com/

Reference:

https://docs.polygon.technology/docs/develop/metamask/config-polygon-on-metamask/


Polygon Mumbai (Testnet)

Network Name Polygon Mumbai
New RPC URL https://rpc-mumbai.maticvigil.com/
Chain ID 80001
Currency Symbol MATIC
Block Explorer URL https://mumbai.polygonscan.com/

Reference:

https://docs.polygon.technology/docs/develop/metamask/config-polygon-on-metamask/


xDai Mainnet

Network Name Gnosis Chain
New RPC URL https://rpc.xdaichain.com/
Chain ID 100
Currency Symbol xDai
Block Explorer URL https://blockscout.com/xdai/mainnet/

Reference:

https://www.xdaichain.com/for-users/wallets/metamask/metamask-setup

Discussion (0)