Find your path
App developers
Build and deploy apps on OP Mainnet and other OP Stack chains. Deploy your first contract, bridge ETH to a testnet, and explore interop.
Chain operators
Launch and operate your own OP Stack chain. Deploy the L1 contracts, spin up a sequencer, and run the full stack of services.
Node operators
Run a node on OP Mainnet or any OP Stack chain. Docker-based setups, source builds, monitoring, and troubleshooting.
Protocol learners & contributors
Understand how the OP Stack works - from transaction flow to fault proofs, interop, and more.
Jump straight to a goal
- Deploy your first smart contract — Deploy a contract to OP Sepolia
- Bridge ETH or tokens between L1 and L2 — Bridging basics
- Launch an L2 rollup testnet end to end — Create your own L2 rollup
- Run an OP Mainnet node with Docker — Running a node with Docker
- Understand fault proofs — Fault proofs explainer
- Build cross-chain apps with interop — Interoperability explainer
Ready to go further?
Talk to the Optimism team
Tell us what you’re building. We’ll help you scope the right setup before you write a line of code.