> For the complete documentation index, see [llms.txt](https://liquify-2.gitbook.io/liquify/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://liquify-2.gitbook.io/liquify/supported-chains/chainlist/optimism.md).

# Optimism

Optimism is an EVM‑equivalent **Optimistic Rollup** built with the OP Stack, prioritizing simple developer workflows and Ethereum‑grade security. Contracts and clients behave as on Ethereum; gas dynamics follow familiar EIP‑1559 patterns through standard libraries. Design user flows with the L1 challenge period in mind for withdrawals and any cross‑domain guarantees. Many L3s and app‑chains compose on the OP Stack, so Optimism is often a strong anchor for multi‑rollup strategies.

Get started with our [Quickstart Guide](/liquify/supported-chains/chainlist/optimism/quickstart-guide.md)


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