The Celo Monorepo is the official repository for Celo’s core projects, including smart contracts and essential packages, that underpin the Celo platform’s innovative blockchains and applications. Designed to advance Celo’s mission of fostering “Prosperity for All,” the repository highlights the Celo Stack, which provides an intuitive experience for end users, even on low-cost devices with limited connectivity. The Celo Blockchain, characterized by its BFT consensus mechanism and EVM compatibility, serves as the backbone for secure and decentralized transactions. This infrastructure is complemented by Celo Core Contracts, which facilitate features like ERC-20 stable currencies, identity attestations, and governance. For developers, comprehensive documentation, setup instructions, and a structured repository layout are provided, offering essential guidance for contributions and active participation in addressing real-world financial challenges through blockchain innovation.