🎉 We are deprecating the Optimism SDK and migrating all tutorials to use viem/op-stack. Read more →

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BUILDERS
Notices (README)
- Preparing for Optimism SDK deprecation
App developers
Chain operators
Node operators
Wallets & CEXs
- Guide for exchanges
- Guide for wallets
Developer tools
OP MAINNET
Getting started: OP Mainnet
Differences between Ethereum and OP Mainnet
Networks and RPC Endpoints
Contract addresses
Bridged token addresses
Identity
Testing
- Running a local development environment
- Testing apps on OP Mainnet
Security
OP STACK
Getting started: OP Stack
Differences between Ethereum and OP Stack chains
Superchain explainer
Design philosophy & principles
OP Stack components
Smart contracts
Transactions
- SendRawTransactionConditional
Security
- Security FAQs
- Pause and unpause the Bridge
Experimental
OP Contracts Manager
- Custom gas token
- Alt-DA Mode
- Block time research
CONNECT
Contribute
Resources
- Changelog (opens in a new tab)
- Glossary
Get Launch Support (opens in a new tab)
Optimism Governance (opens in a new tab)

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Wallets & CEXs

CEX Wallet Developers

This section provides information on supporting op mainnet in your exchange and supporting op mainnet in your wallet. You'll find guide to help you understand and work with these topics.

Supporting op mainnet in your exchange Supporting op mainnet in your wallet

Wallets & CEXs Guide for wallets

OP Documentation