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GeezerVison is showing github.com β€” OpenZeppelin

README.md

Welcome to the OpenZeppelin GitHub πŸ‘‹

OpenZeppelin-Banner-DarkLogo


Get Started

OpenZeppelin provides secure smart contract libraries and tools across multiple blockchain ecosystems.

Start from the documentation to choose your ecosystem, libraries, and workflows.

Explore Highlighted Repositories by Ecosystem:

EVM (Solidity)

  • openzeppelin-contracts: solidity library for secure smart contract development on Ethereum.
  • openzeppelin-contracts-upgradeable: upgradeable variant of OpenZeppelin Contracts.
  • openzeppelin-community-contracts: solidity library of smart contracts from the OpenZeppelin Community.
  • uniswap-hooks: solidity library for secure and modular Uniswap hooks.

Arbitrum Stylus (Rust)

  • rust-contracts-stylus: rust library for secure smart contract development for Arbitrum Stylus.

Confidential (Zama FHEVM)

  • confidential-contracts: experimental library for developing on the Zama fhEVM.

Midnight

  • compact-contracts: compact contracts library for building on Midnight.

Polkadot

  • polkadot-runtime-templates: runtime templates for Polkadot parachains.

Starknet (Cairo)

  • cairo-contracts: cairo library for secure smart contract development on Starknet.

Stellar (Soroban)

  • stellar-contracts: Soroban contracts library for Stellar.

Sui (Move)

  • contracts-sui: Move contracts library for Sui.
  • openzeppelin-sui-marketplace: end-to-end example of a small on-chain market on Sui.

OpenZeppelin Tools and Learning

  • Contracts Wizard: instantly generate boilerplate contracts to bootstrap your next dApp.
  • Ethernaut: interactive wargame that turns you into a Solidity security expert.
  • Monitor: Infrastructure tool for monitoring blockchain events and transactions.
  • Relayer: Infrastructure for relaying transactions on EVM and Non-EVM networks.
  • Role Manager: Open source UI tool providing your users a way to easily assess the status of the roles with your smart contracts.
  • UI Builder: Open source tool for creating UI forms for contracts.

Build with AI

OpenZeppelin provides AI-ready resources for modern development workflows.

  • OpenZeppelin Skills: agent skills for secure smart contract development with OpenZeppelin Contracts libraries.
  • Contracts MCP: allowing AI agents to generate smart contracts using OpenZeppelin Contracts libraries.

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 build and secure open-source tools and protocols that protect the open economy? We’re hiring!

Pinned Loading

  1. openzeppelin-contracts openzeppelin-contracts Public

    OpenZeppelin Contracts is a library for secure smart contract development.

    Solidity 27.4k 12.4k

  2. openzeppelin-contracts-upgradeable openzeppelin-contracts-upgradeable Public

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

    JavaScript 1.2k 514

  3. openzeppelin-upgrades openzeppelin-upgrades Public

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

    TypeScript 660 286

  4. ethernaut ethernaut Public

    Web3/Solidity based wargame

    Solidity 2.3k 785

  5. cairo-contracts cairo-contracts Public

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

    Rust 907 395

  6. rust-contracts-stylus rust-contracts-stylus Public

    A library for secure smart contract development written in Rust

    Rust 146 80

Repositories

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Showing 10 of 198 repositories
  • ethernaut-leaderboard Public
    OpenZeppelin/ethernaut-leaderboard's past year of commit activity
    JavaScript 14 MIT 13 2 4 Updated Nov 12, 2026
  • openzeppelin-community-contracts Public

    Solidity library of smart contracts from the OpenZeppelin Community

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    OpenZeppelin/openzeppelin-community-contracts's past year of commit activity
    Solidity 94 MIT 45 16 40 Updated Nov 12, 2026
  • canton-contracts Public

    OpenZeppelin library for secure smart contract development on Canton

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    OpenZeppelin/canton-contracts's past year of commit activity
    Haskell 5 MIT 0 22 8 Updated Nov 12, 2026
  • openzeppelin-adapters Public

    OpenZeppelin Ecosystem Adapters are a set of modular, chain-specific integration packages that bridge the gap between blockchain ecosystems and developer tooling.

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    OpenZeppelin/openzeppelin-adapters's past year of commit activity
    TypeScript 2 AGPL-3.0 2 9 3 Updated Nov 12, 2026
  • Event-Scanner Public

    A lightweight highly performant event scanner built in rust

    OpenZeppelin/Event-Scanner's past year of commit activity
    Rust 19 MIT 7 21 1 Updated Nov 12, 2026
  • openzeppelin-monitor Public

    A blockchain monitoring service that watches for specific on-chain activities and triggers notifications based on configurable conditions.

    OpenZeppelin/openzeppelin-monitor's past year of commit activity
    Rust 147 AGPL-3.0 67 9 10 Updated Nov 12, 2026
  • compact-contracts Public

    OpenZeppelin Contracts written in Compact for Midnight

    OpenZeppelin/compact-contracts's past year of commit activity
    TypeScript 56 MIT 29 196 41 Updated Nov 12, 2026
  • Robust-Provider Public

    Timeout-aware, auto-retrying, failover-ready RPC provider wrapper for Alloy built in Rust

    OpenZeppelin/Robust-Provider's past year of commit activity
    Rust 6 MIT 5 11 0 Updated Nov 12, 2026
  • guardian Public

    Backup, synchronization, and coordination layer for private accounts.

    OpenZeppelin/guardian's past year of commit activity
    Rust 11 AGPL-3.0 22 26 21 Updated Nov 12, 2026
  • openzeppelin-pallet-abstractions Public
    OpenZeppelin/openzeppelin-pallet-abstractions's past year of commit activity
    Rust 15 GPL-3.0 4 3 7 Updated Nov 12, 2026
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Top languages

TypeScript JavaScript Rust Solidity Python

Most used topics

ethereum web3 blockchain solidity openzeppelin
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