OpenZeppelin

About OpenZeppelin

OpenZeppelin is a leading provider of security-focused solutions for on-chain applications, offering smart contract libraries, security audits, and open source tooling to build, secure, and operate blockchain projects across multiple networks. Their products include contract libraries, upgrade tooling, and open-source stack components such as Relayer and Monitor to support secure deployment and ongoing risk management. They serve developers, institutions, and ecosystems with services like smart contract security audits, blockchain infrastructure audits, and ZKP audits, primarily serving the Ethereum and broader blockchain community. The company emphasizes transparency, security best practices, and education through resources like Ethernaut and developer documentation, with a global footprint in the blockchain security industry.