Optimism L2 :op: [cheatsheet]

image What is Optimistic Ethereum?

Optimistic Ethereum is an EVM-compatible Optimistic Rollup chain. It’s designed to be fast, simple, and secure. If you know Arbitrum, this is very similar.

Network Details for MetaMask

Network Name: Optimistic Ethereum
RPC: https://mainnet.optimism.io
ChainID: 10
Symbol: ETH
Block Explorer: https://optimistic.etherscan.io

:zap: One-click add to MetaMask



Bridge funds from ETH to Optimistic using the legacy bridge. UPDATE: There is a V2 bridge now. Or use any alternative below.

Faucet to get oETH for gas: OptiFaucet (must’ve bridged 1500 USDC through Optimism Gateway, O3 Swap, cBridge, or Hop Exchange)


Other links