OpenZeppelin Contracts
Battle-tested smart contract library
What is OpenZeppelin Contracts?
Industry-standard library of secure, reusable smart contracts for Ethereum. Includes implementations of ERC standards, access control, utilities, and more.
Supported chains
EthereumPolygonArbitrumOptimismBaseBNB ChainAvalanche
Key Features
Audited implementations of ERC standards
Access control and governance modules
Upgradeable contract patterns
Comprehensive documentation and guides
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