Build Secure Smart Contracts in Cairo
OpenZeppelin Contracts helps you minimize risk by using battle-tested libraries of smart contracts for Starknet and other blockchains.
Start building with Contracts Wizard for Cairo
Total value transferred
via OpenZeppelin Contracts
$5,255,314,730,980T
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 CenterThe world’s leading projects build with OpenZeppelin Contracts
Extend Contracts with Defender Cloud Services
Deploy, Monitor and Automate Applications with OpenZeppelin’s integrated platform
Sign Up for FreeJoin the largest community of smart contract developers
Ask questions, learn about security, and become familiar with smart contract development.
Join our Community