In the fast-evolving landscape of blockchain technology, the demand for scalability and cost-effectiveness has given rise to innovative solutions such as Optimistic Rollup. Optimism, as a layer 2 scaling solution for Ethereum, brings a promising shift by facilitating off-chain execution of smart contracts while upholding the security standards of the Ethereum blockchain. However, as with any technological advancement, ensuring the integrity and security of smart contracts is paramount. This is where the Optimism smart contract audit comes into play.