#Overview

OP Mainnet is a low-cost and lightning-fast Ethereum L2 blockchain powered by Optimism. Built as a minimal extension to existing Ethereum software, OP Mainnet's EVM-equivalent architecture scales your Ethereum apps without surprises.

As Optimism is EVM compatible, you can follow the Ethereum documentation to send your first transaction and utilize all other features.

#Configure Optimism

#Mainnet

Mainnet Block Explorer: https://optimistic.etherscan.io

01const customNodeOptions = {

02  rpcUrl: 'https://mainnet.optimism.io',

03  chainId: 10,

04}

05

06// Setting network to Optimism

07const magic = new Magic('YOUR_PUBLISHABLE_API_KEY', { network: customNodeOptions });

#Testnet

Testnet Block Explorer: https://blockscout.com/optimism/goerli/

01const customNodeOptions = {

02  rpcUrl: 'https://goerli.optimism.io',

03  chainId: 420

04}

05

06// Setting network to Optimism

07const magic = new Magic('YOUR_PUBLISHABLE_API_KEY', { network: customNodeOptions });

#Compatibility

• All Auth, User and most Wallet module methods for any wallet type
• All EVM Provider functionality to respond to supported RPC methods

Need a feature or see a problem? File an issue on our github repo.

#Resources & Tools

• Block Explorer:
  • https://optimistic.etherscan.io/ (Mainnet)
  • https://sepolia-optimism.etherscan.io/ (Sepolia Testnet)

• Web3.js Demo
• Ethers.js Demo