Build Secure Smart Contracts in Solidity
OpenZeppelin Contracts helps you minimize risk by using battle-tested libraries of smart contracts for Ethereum and other blockchains. It includes the most used implementations of ERC standards.
Reduce the risk of vulnerabilities in your applications by using standard, tested, community-reviewed code.
Focused on security
Using top level standard contracts security patterns and best practices.
Projects building with OpenZeppelin Contracts
Your blueprint for decentralized systems
Secure your workflow
Use OpenZeppelin Defender, a mission-critical developer security platform to code, audit, deploy, monitor, and operate blockchain applications with confidence. Integrating security directly into your development workflow.
Join our community
Ask questions to our community, learn about security and become familiar with smart contract development.