About Us

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.

95%+ Customer re-engagement rate 71 Customer satisfaction score 95%+ Customer re-engagement rate 200+ Active customers 10+ Years of experience 140+ Global team 95%+ Customer re-engagement rate 71 Customer satisfaction score 95%+ Customer re-engagement rate 200+ Active customers 10+ Years of experience 140+ Global team

History

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

2015

The Beginning

Founding of OpenZeppelin.

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.

2017

Educating the Ecosystem

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

2020

Automation at Scale

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

2023

AI Security and Contracts 5.0 release

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

2024

Entering privacy and confidentiality

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

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.

Driving innovation on Uniswap with scalable web3 solutions

Watch Interview →

Saucepoint from Uniswap Foundation

ZKsync's Continuous ZK Innovation Success Secured by 3+ Years of Partnership with OpenZeppelin

Watch Interview →

Vlad Bochok from ZKsync from Matter Labs

Impact

Integrated into every
project’s blockchain stack

$33,2B+ Total value transferred via OpenZeppelin Contracts

$250B+ Total value locked protected by OpenZeppelin Security Audits

64% Active Wallets Interacted with OpenZeppelin Contracts

1M+ Lines of code reviewed in OpenZeppelin Audits

700+ Critical and High vulnerabilities uncovered

95%+ Rate of customers choosing to work with us again

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

Customer Stories

Mission

Accelerate the world’s transition to an open financial system

How we work

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.

Open Source First

We lead secure, community-driven blockchain innovation by building trust and transparency through public tools, libraries, and industry standards.

Neutral Partners

We are strategic, neutral partners committed to helping our customers succeed. We empower crypto innovators reshaping the industry and guide institutions as they move onchain.