Optimism is a layer-two blockchain built on top of Ethereum that aims to scale the ecosystem using optimistic rollups. It operates on the Ethereum mainnet, leveraging its security, and is home to 97 protocols, including Synthetix and Uniswap. Optimism is a non-profit project aiming to become a fully decentralized public good, funded by donations and grants. Its design process prioritizes long-term sustainability and simplicity, utilizing proven Ethereum code where possible. Optimistic Rollups ensure trustless transaction recording and periodic broadcast to the Ethereum blockchain. Optimism's token allocation generates revenue for public goods and drives demand for block space. The project is available on multiple exchanges, including Coinbase.