OpenZeppelin OpenZeppelin
  • Products
    Build
    Contracts Library

    Secure smart contract templates

    Contracts Wizard

    Interactive smart contract generator

    Upgrades Plugin

    Deploy upgradeable contracts

    Secure
    Safe Utils

    Verify Safe transactions before signing

    Access Control

    Manage contract roles and permissions

    Operate
    Relayer

    Send on-chain transactions

    Monitor

    Gain visibility into your smart contracts

    Explore the Open Source Stack ->
  • Services
    Smart Contract Security Audit

    Industry standard for securing smart contracts

    Blockchain Infrastructure Audit

    Secure complex offchain components

    ZKP Practice

    Scalability, Privacy, and Security

    Take a look at our Audits Stats ->
  • Solutions
    Ecosystem Stack

    Developer acquisition, accelerated

    Financial Institutions Stack

    Bring traditional finance onchain

  • Resources
    Resources
    Documentation
    Blog
    Forum
    Ethernaut CTF
    Company
    About us
    Careers
    Security Center
  • Stats
Login Talk to an Expert
  • Talk to an Expert
  • Products
    • Build
    • Contracts Library
    • Contracts Wizard
    • Upgrades Plugins
    • Secure
    • Safe Utils
    • Access Control
    • Operate
    • Relayer
    • Monitor
    • Explore the Open Source Stack
  • Services
    • Smart Contract Security Audit
    • Blockchain Infrastructure Audit
    • ZKP Practice
  • Solutions
    • Ecosystem Stack
    • Financial Institutions Stack
  • Resources
    • Documentation
    • Blog
    • Forum
    • Ethernaut CTF
  • Company
    • About us
    • Careers
    • Security Center
  • Stats
Featured Post

Doubling Down on Open Source Tools and Phasing Out Defender

OpenZeppelin is doubling down on open source development tools by sunsetting Defender and releasing production-ready open source Relayer and Monitor. Discover new features, and our expanded open ...

Read More details
Doubling Down on Open Source Tools and Phasing Out Defender
All Announcements Security Audits Security Insights Products Events Case Study

Smart Contract Security Guidelines #4: Strategies for Safer Governance systems

This guide focuses on showcasing battle-tested practices and recommended patterns to implement...

Products

Smart Contract Security Guidelines #3: The Dangers of Price Oracles

This guide focuses on showcasing the architecture, roles and subtleties of most popular price...

Products

Protect Your Users With Smart Contract Timelocks

Learn how to use OpenZeppelin’s Defender to set up and deploy timelocks.

Products

OpenZeppelin Contracts 4.3

This new release includes a modular system of contracts for on-chain governance, based on...

Products

Introducing OpenZeppelin Governor

Next Generation Smart Contract Governance: We are pleased to announce OpenZeppelin Governor, a...

Announcements Products

Indexing Smart Contracts with OpenZeppelin Subgraphs & The Graph

Creating dense Subgraphs is one of the most important aspects of indexing on-chain information. In...

Products

How PoolTogether Automates Operations Using OpenZeppelin Defender

PoolTogether is a lossless lottery built with smart contracts using Defender to automate the award...

Products

Introducing the OpenZeppelin Secure Development Series

Our latest speaker series, Secure Development is aimed to help improve security practices for the...

Security Insights Products

Managing Maintenance Tasks on Chainlink Keepers Using OpenZeppelin Defender

Chainlink’s Keeper Network is a secure way to outsource contract operations to a decentralized...

Products

OpenZeppelin Contracts 4.2

This release introduces our latest work on governance contracts, gas cost reductions, new helper...

Products

Deploying More Efficient Upgradeable Contracts

Upgradeable contracts allow us to alter a smart contract to fix a bug, add additional features, or...

Products

Developers Can Now Register and Manage Chainlink Keeper Jobs with OpenZeppelin Defender

We are excited to announce integrated support for the Chainlink Keepers Open Beta directly within...

Products
First Prev 1 2 3 4 5 Next Last
Openzeppelin
Openzeppelin
© Zeppelin Group Ltd Service Level Agreement Terms of Service Privacy Policy Trademark Guidelines
Products
  • Contracts Library
  • Contracts Wizard
  • Upgrade Plugins
  • Safe Utils
  • Access Control
  • Relayer
  • Monitor
Services
  • Smart Contract Security Audit
  • Blockchain Infrastructure Audit
  • ZKP Practice
Solutions
  • Ecosystem Stack
  • Financial Institutions Stack
Resources
  • Documentation
  • Blog
  • Forum
  • Ethernaut CTF
Company
  • About us
  • Careers
  • Brand Kit
  • Trust