Optimism
Official Optimism site
optimism.ioUpdated 2026-11-02
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About
Optimism is an Ethereum L2 whose OP Stack framework powers Base and others in the 'Superchain' network; the OP token governs through a bicameral system.
The RetroPGF public-goods mechanism is unique and worth studying for governance researchers. OP Stack docs are open — self-deploying a chain is genuinely achievable.
Main uses
- OP Stack docs
- Governance intro
- Ecosystem directory
Site info
FAQ
What is Optimism's role?
Originator of the OP Stack, which powers Base and many other chains, with bicameral governance.
What does OP Stack share between chains?
Client implementation and upgrade paths are shared, but each chain's security is its own — assets still cross via bridges.
How do I reach the official Optimism site safely?
The “Visit official site” button on this page points to Optimism’s official address: optimism.io. Fake clones are common in crypto — verify the domain and bookmark this page or the official URL.
Does Optimism cost money?
Free