# OpenZeppelin Contracts — Secure Smart Contract Library for Ethereum

> OpenZeppelin Contracts is an open-source library of audited, reusable Solidity smart contracts. It provides standard implementations of ERC-20, ERC-721, ERC-1155, access control, upgradeable proxies, and governance patterns. Developers use it to build secure on-chain applications without reinventing common primitives.

## Install

Copy the content below into your project:



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Source: https://tokrepo.com/en/workflows/openzeppelin-contracts-secure-smart-contract-library-fc0176db
Author: