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@OpenZeppelin

OpenZeppelin

The standard for secure blockchain applications
README.md

Welcome to the OpenZeppelin GitHub 👋

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Explore Popular Repositories

Getting Started & Resources

  1. Documentation: learn how to integrate our libraries and tools into your project.
  2. Forum: ask questions, share insights, and get help from our community.
  3. Security Center: all the security details you need to know about OpenZeppelin Contracts
  4. Dune Dashboard: real-time metrics and usage data for OpenZeppelin Contracts across various chains.

Stay Connected

  • X: Follow us for the latest announcements and updates.
  • Blog: Dive deeper into our latest articles, security best practices, and community updates.
  • Careers: Want to buld and secure open-source tools and protocols that protect the open economy? We’re hiring!

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  1. openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    Solidity 25.6k 12k

  2. openzeppelin-contracts-upgradeable Public

    Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.

    JavaScript 1k 452

  3. openzeppelin-upgrades Public

    Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.

    TypeScript 642 275

  4. ethernaut Public

    Web3/Solidity based wargame

    Solidity 2.1k 714

  5. cairo-contracts Public

    OpenZeppelin Contracts written in Cairo for Starknet, a decentralized ZK Rollup

    Rust 855 376

  6. rust-contracts-stylus Public

    A library for secure smart contract development written in Rust

    Rust 111 47

Repositories

Showing 10 of 136 repositories
  • ethernaut-leaderboard Public
    JavaScript 14 MIT 44 1 3 Updated Mar 28, 2025
  • minimal-rollup Public

    A minimal based rollup implementation that is easy to understand and extend

    Solidity 29 MIT 2 15 12 Updated Mar 28, 2025
  • openzeppelin-community-contracts Public

    Solidity library of smart contracts from the OpenZeppelin Community

    Solidity 45 MIT 11 5 19 Updated Mar 28, 2025
  • contracts-wizard Public

    Interactive smart contract generator based on OpenZeppelin Contracts.

    TypeScript 253 AGPL-3.0 153 17 (5 issues need help) 13 Updated Mar 28, 2025
  • uniswap-hooks Public

    Solidity library for secure and modular Uniswap hooks.

    Solidity 56 MIT 15 11 3 Updated Mar 28, 2025
  • ethernaut Public

    Web3/Solidity based wargame

    Solidity 2,092 MIT 714 22 39 Updated Mar 28, 2025
  • openzeppelin-contracts-upgradeable Public

    Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.

    JavaScript 1,045 MIT 452 4 5 Updated Mar 28, 2025
  • openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    Solidity 25,597 MIT 11,999 221 (1 issue needs help) 55 Updated Mar 28, 2025
  • defender-client Public

    Monorepo for all defender-client npm packages

    TypeScript 57 MIT 49 12 128 Updated Mar 28, 2025
  • stellar-contracts Public

    OpenZeppelin Contracts written in Rust for Stellar Soroban

    Rust 21 MIT 10 10 (1 issue needs help) 3 Updated Mar 28, 2025
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