Caldera is a rollup platform designed to enhance scalability and interoperability within the Ethereum ecosystem. Rather than focusing on a single blockchain optimization, Caldera empowers projects to create customizable rollups that leverage the security and decentralization of Ethereum. The platform features a unique component called the Metalayer, which serves as a cohesive layer to connect various rollups. This design facilitates smooth coordination, communication, and resource sharing among rollups operating on both Optimistic and Zero-Knowledge frameworks. By allowing diverse rollups to interact while preserving their individual characteristics, Caldera significantly enhances the overall efficiency and functionality of decentralized applications. Its innovative approach aims to foster a more interconnected and versatile blockchain environment. Caldera's emphasis on scalability and interoperability positions it as a valuable solution for developers looking to optimize their projects within the Ethereum landscape. As the demand for efficient decentralized solutions grows, Caldera stands out as a forward-thinking platform that addresses these critical challenges.