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BUILDERS
Notices (README)
- Preparing for Holocene breaking changes
- Preparing for Optimism SDK deprecation
App developers
Chain operators
Node operators
Developer tools
THE SUPERCHAIN
The Superchain explainer
The Superchain Registry
Blockspace Charters and the Standard Rollup Charter
OP STACK
Getting started: OP Stack
Differences between Ethereum and OP Stack chains
Design philosophy & principles
OP Stack components
Smart contracts
Rollup
Fault proofs
Transactions
Features
- SendRawTransactionConditional
Security
EXPERIMENTAL
OP Contracts Manager
Interoperability
Beta features
- Custom gas token
- Alt-DA Mode
Research
- Block time research
OP MAINNET
Getting started: OP Mainnet
Networks and RPC Endpoints
Contract addresses
Bridged token addresses
Testing
- Running a local development environment
- Testing apps on OP Mainnet
Security
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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OP Stack

Interoperability

Tools

Interop

Documentation covering Interop devnet, Supersim in the Interop section of the OP Stack ecosystem.

Supersim Interop devnet - coming soon

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