Build Secure Smart Contracts in Solidity
OpenZeppelin Contracts helps you minimize risk by using battle-tested libraries of smart contracts for Ethereum and other EVM blockchains. It includes the most used implementations of ERC standards.
Start building with Contracts Wizard for Solidity
Total value transferred
via OpenZeppelin Contracts
$20,460,337,760,351T
Secure Code
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.
Go to Security Center
The world’s leading projects build with OpenZeppelin Contracts
Power Up Your Contracts with Relayer and Monitor
Operate, Monitor, and Automate onchain applications with OpenZeppelin open source tools
Explore ToolsJoin the largest community of smart contract developers
Ask questions, learn about security, and become familiar with smart contract development.
Join our Community