OpenZeppelin is a framework designed to help developers build secure smart contracts on the Ethereum blockchain by providing a collection of audited libraries and tools. The platform offers a suite of reusable, modular contracts that follow best practices for security, making it easier for developers to create robust and reliable decentralized applications (dApps). OpenZeppelin includes contracts for token standards (like ERC20 and ERC721), access control, and governance, among others. The platform also provides tools for managing and upgrading smart contracts, ensuring that developers can maintain and improve their dApps over time. OpenZeppelin is trusted by the blockchain community for its focus on security and its contributions to the Ethereum ecosystem.