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
    Relayers

    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
    • Relayers
    • 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 Relayers 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

Fireblocks Upgradeable Tokens Audit - ERC721F

We audited the Fireblocks repository at commit e7003dfb. Smart contract Audit.

Security Audits Solidity Token

Fireblocks Upgradeable Tokens Audit - ERC20F

We audited the Fireblocks repository at commit e7003dfb. Smart Contract Audit.

Security Audits Solidity Token

Fireblocks Upgradeable Tokens Audit - ERC1155F

We audited the Fireblocks repository at commit e7003dfb. Smart Contract Audit.

Security Audits Solidity Token

Fireblocks Gasless Contracts Audit

We audited the fireblocks/fireblocks-smart-contracts repository at commit cf1bb85. Smart Contract...

Security Audits Solidity

ZKsync SSO Account Abstraction Audit

We audited the zksync-sso-clave-contracts repository at commit fc0af34. Smart Contract Audit.

Solidity Account Abstraction

Mantle Op-geth & Op-stack Diff Audit

This audit is divided into three parts: A diff audit of the mantlenetworkio/mantle-v2 repo, a diff...

L2's Go Infrastructure Audit

Uniswap Hooks Library Milestone 1 Audit

We audited the OpenZeppelin/uniswap-hooks repository at commit 1db9646. Smart contract audit.

Security Audits Solidity Uniswap

Stellar Contracts Library 0.1.0 Audit

We audited the OpenZeppelin/stellar-contracts repository at commit 01dbcb5. Smart Contract Audit.

Security Audits Rust

ZKsync Paymaster Audit

We audited the zksync-association/zk-governance repository at commit 70011bb. Smart contract Audit.

Security Audits ZKP L2's Solidity

ZK Token, Capped Minter, and Merkle Distributor Audit

We audited the zksync-association/zk-governance repository at commit 08ec4e7. Smart contract audit.

Security Audits Solidity Token

Distributor Diff Audit

We performed a diff audit of the zksync-association/zk-governance repository at commit 27763f1...

Security Audits Solidity Token

USDT0 Audit

We audited the Everdawn-Labs/usdt0-tether-contracts-hardhat repository at the 01cdf1d commit. Smart...

Security Audits Solidity
First Prev 1 2 3 4 5 Next Last
Openzeppelin
Openzeppelin
© 2025 Zeppelin Group Ltd Service Level Agreement Terms of Service Privacy Policy Trademark Guidelines
Products
  • Contracts Library
  • Contracts Wizard
  • Upgrade Plugins
  • Safe Utils
  • Access Control
  • Relayers
  • 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