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Defining the standards for onchain finance

Trusted by leading financial institutions, DeFi protocols, and blockchain platforms, OpenZeppelin helps organizations build and secure mission-critical onchain systems.

  • Remote first company
  • 100+Team Members
  • 40+Countries
  • 10+Years of Experience

History

A decade of securing the world's leading blockchain and smart contract systems

  1. 2015

    The Beginning

    Founding of OpenZeppelin.

  2. 2016

    Defining the Standards

    OpenZeppelin Contracts becomes the gold-standard open-source library for secure smart contract development.

    Pioneered the Smart Contract Security Audit practice.

  3. 2017

    Educating the Ecosystem

    The Ethernaut launches, turning security learning into a hands-on experience for developers.

  4. 2020

    Automation at Scale

    Relayers, Monitors, and Actions bring automated and secure onchain operations.

  5. 2023

    AI Security and Contracts 5.0 release

    AI-powered security audits alongside the release of OpenZeppelin Contracts 5.0.

  6. 2024

    Entering privacy and confidentiality

    First Zero-Knowledge Proof Audit and the introduction of Ecosystem Stack.

  7. 2025

    OpenZeppelin is the Foundation of Onchain Financial Services

    9 of the top 10 stablecoins and 10 of the top 10 tokenized funds by market capitalization are built with OpenZeppelin Contracts, making it the most trusted foundation for secure onchain financial infrastructure.

Impact

Integrated into every project’s blockchain stack

  • More than

    $38.1 trillion

    in Total Value Transferred via OpenZeppelin Contracts

  • More than

    $250 billion

    in Digital Assets protected by OpenZeppelin Security Audits

  • More than

    64%

    of all Active Wallets Interacted with OpenZeppelin Contracts

  • More than

    1 million

    Lines of code reviewed in OpenZeppelin Security Audits

  • More than

    700

    Critical and High vulnerabilities uncovered

  • More than

    95%

    Rate of customers choosing to work with us again

Customers

Trusted by the world’s leading Financial Institutions, DeFi Protocols, and Blockchain Innovators

Read at Customer Stories
  • DTCC
  • ANZ
  • Coinbase
  • Aave
  • Arbitrum
  • Ethereum Foundation
  • Circle
  • WisdomTree
  • Ripple
  • BitGo
  • Polkadot
  • Axelar
  • ZKsync
  • Fireblocks
  • Uniswap

Mission

Accelerate the world’s transition to an open financial system

AI First
We bring AI-native security to financial institutions building onchain. Delivering continuous security across the full lifecycle so capital markets can deploy and operate at scale, in full regulatory alignment.
Research Driven
We conduct cutting-edge research and turn it into impactful insights, tools, and standards. We drive progress by contributing knowledge back to the community.
Security at the Core
In a world where code directly manages real value, security isn’t optional—it’s fundamental. Our security-first approach integrates risk management and compliance to protect digital assets and enable trust in the next evolution of financial services.
Neutral Partners
We are strategic, neutral partners committed to helping our customers succeed. We empower crypto innovators reshaping the industry, as well as institutions on their onchain transformation.

Organization

We're a distributed company with world-class engineers, researchers, and security experts. Our diversity of perspectives and deep expertise allow us to define the foundations for the next generation of financial services.

Management Team

Become part of our global team dedicated to accelerating the world's transition to an open financial system

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The security standard for onchain finance

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