OpenZeppelin OpenZeppelin
  • Developers
    Smart Contracts
    Contracts Libraries

    The standard for smart contracts development

    Contracts Wizard

    Generate smart contracts interactively

    Contracts MCP

    Build secure smart contracts with AI

    Upgrades Plugin

    Deploy upgradeable contracts

    Open Source Tools
    Relayers

    Send onchain transactions

    Monitor

    Observe smart contract activity

    UI Builder

    Spin up a UI for your contracts

    Safe Utils

    Verify Safe transactions before signing

    Access Control

    Manage contract roles & permissions

    Resources
    Documentation
    Research
    Ethernaut CTF
    Forum
    Explore the Open Source Stack ->
  • Services
    Security Audits
    Smart Contract Security Audit

    The standard for smart contract security

    Blockchain Infrastructure Audit

    Secure offchain infrastructure components

    ZKP Audit

    Secure zero-knowledge & privacy systems

    Related Content
    ZKsync V29 Release Audit
    ZKsync V29 Release Audit
    Read all audit reports →
  • Solutions
    Developer Ecosystem
    Ecosystem Stack

    Accelerate developer acquisition & growth

    Financial Institutions Stack

    Bring traditional finance onchain

  • Institutions
    Services
    Smart Contract Security Audit

    The standard for smart contract security

    Blockchain Infrastructure Audit

    Secure offchain infrastructure components

    ZKP Audit

    Secure zero-knowledge & privacy systems

    Resources
    Research
    Stats
    Explore Financial Institutions Solutions ->
  • Research & Resources
    Insights
    Research
    News
    Stats
    Company
    About
    Careers
    Featured Research
    Beyond Zero Knowledge: How Fully Homomorphic Encryption Enables Private Shared State
    Beyond Zero Knowledge: How Fully Homomorphic Encryption Enables Private Shared State
Login Talk to an Expert Start Building
  • Talk to an Expert
  • Start Building
  • Developers
    • Smart Contracts
    • Contracts Libraries
    • Contracts Wizard
    • Upgrades Plugins
    • Contracts MCP
    • Open Source Tools
    • Relayers
    • Monitor
    • UI Builder
    • Safe Utils
    • Access Control
    • Resources
    • Documentation
    • Research
    • Ethernaut CTF
    • Forum
    • Explore the Open Source Stack
  • Services
    • Security Audits
    • Smart Contract Security Audit
    • Blockchain Infrastructure Audit
    • ZKP Practice
  • Solutions
    • Ecosystem Stack
    • Financial Institutions Stack
  • Institutions
    • Research
    • Stats
  • Research & Resources
    • Insights
    • Research
    • News
    • Stats
    • Company
    • About
    • Careers
Featured Post

Introducing the OpenZeppelin Contracts MCP: AI‑Powered Smart Contract Development

With the new OpenZeppelin Contracts MCP developers can seamlessly prompt their preferred AI assistants to generate secure smart contracts that enforce OpenZeppelin standards and best practices at ...

Read More details
Introducing the OpenZeppelin Contracts MCP: AI‑Powered Smart Contract Development
All Security Audits Security Insights

Testing real-world contract upgrades

Deploying to production can be a stressful experience, especially if you don’t have a proper suite...

Security Insights Products

State of EVM Packages – End of 2018

Two months ago, we presented the EVM package standard as a means to securely share on-chain...

Security Insights

Toward a secure code ecosystem

This week started off with the finding of malicious code injected into a dependency of a popular...

Security Insights

The Parity Wallet Hack Reloaded

Today we witnessed a possible major attack on the Parity MultiSig contract. This follows a previous...

Security Audits
Openzeppelin
Openzeppelin
© Zeppelin Group Ltd Service Level Agreement Terms of Service Privacy Policy Trademark Guidelines AGPL License
Products
  • Contracts Library
  • Contracts Wizard
  • Upgrade Plugins
  • Contracts MCP
  • Contracts UI Builder
  • Safe Utils
  • Access Control
  • Relayer
  • Monitor
Services
  • Smart Contract Security Audit
  • Blockchain Infrastructure Audit
  • ZKP Practice
Solutions
  • Ecosystem Stack
  • Financial Institutions Stack
Research & Resources
  • Research
  • News
  • Documentation
  • Ethernaut CTF
  • Brand Kit
  • Trust
  • Forum
  • About us
  • Careers