Guide

Chain ID list

Chain IDs help wallets and apps distinguish one network from another. Always verify the chain ID and RPC URL against source documentation before adding a network or signing transactions.

EVM chains 25

Non-EVM rows 1

Checked April 30, 2026

Source model Cited

Mainnet chain IDs

Base OP Stack L2 mainnet 8453 ETH base.blockscout.com

Ethereum L1 mainnet 1 ETH etherscan.io

Monad EVM L1 mainnet 143 MON monadvision.com

MegaETH Ethereum L2 mainnet 4326 ETH mega.etherscan.io

Arbitrum One Optimistic L2 mainnet 42161 ETH arbiscan.io

BNB Smart Chain EVM L1 mainnet 56 BNB bscscan.com

Avalanche C-Chain EVM L1 mainnet 43114 AVAX snowscan.xyz

Gnosis EVM mainnet 100 xDAI gnosisscan.io

Celo OP Stack L2 mainnet 42220 CELO celoscan.io

Linea ZK rollup L2 mainnet 59144 ETH lineascan.build

OP Mainnet OP Stack L2 mainnet 10 ETH explorer.optimism.io

Scroll ZK rollup L2 mainnet 534352 ETH scrollscan.com

ZKsync Era ZK rollup L2 mainnet 324 ETH explorer.zksync.io

Blast Optimistic L2 mainnet 81457 ETH blastscan.io

Polygon PoS Sidechain 137 POL polygonscan.com

Berachain EVM L1 mainnet 80094 BERA berascan.com

Sonic EVM L1 mainnet 146 S sonicscan.org

Unichain OP Stack L2 mainnet 130 ETH uniscan.xyz

World Chain OP Stack L2 mainnet 480 ETH worldscan.org

Mode OP Stack L2 mainnet 34443 ETH explorer.mode.network

Ink OP Stack L2 mainnet 57073 ETH explorer.inkonchain.com

Soneium OP Stack L2 mainnet 1868 ETH soneium.blockscout.com

Fraxtal OP Stack L2 mainnet 252 FRAX fraxscan.com

Moonbeam EVM parachain mainnet 1284 GLMR moonscan.io

Mantle Optimistic L2 mainnet 5000 MNT explorer.mantle.xyz

Solana L1 mainnet native SOL solscan.io

Wallet setup caution

A matching chain ID does not prove an RPC endpoint is official, safe, private, or reliable. Phishing sites can copy legitimate network values. Use the linked source page for each network when adding a custom wallet network or configuring production infrastructure.