OP Stack
FreeRollup Frameworks
OP Stack is the modular code powering OP Mainnet and the Superchain.
OP Mainnet
Ethereum
Multichain OP Mainnet Ethereum MultichainRollup Frameworks
OP Stack is the modular code powering OP Mainnet and the Superchain.
OP Mainnet Ethereum MultichainOP Stack is a standardized, shared, and open-source development stack that powers Optimism.
Maintained by the Optimism Collective, it consists of the many software components managed by the Collective that together form the backbone of the Optimism ecosystem.
Built as a public good for the Ethereum and Optimism ecosystems, the OP Stack provides a common foundation for development across the Ethereum and Optimism communities.
An MIT-licensed framework for Ethereum L2s: transactions execute off mainnet, data and state commitments post back, fault proofs enforce correctness.
OP Stack, Arbitrum Orbit, Polygon CDK and ZK Stack handle most new L2 launches. The framework decides your security model, not just your tooling.
The original production network the OP Stack was built and tested on, using Ethereum for data availability and settlement.
Smart contracts, protocol integrations, and scalable architecture for high-performance Web3 products.
