Introducing the OpenZeppelin Contracts MCP: AI‑Powered Smart Contract Development
Product Releases & Services
· July 30, 2025
Doubling Down on Open Source Tools and Phasing Out Defender
Defender Sunset FAQ
Product Releases & Services
· June 30, 2025
OpenZeppelin Relayer and Monitor are now Open Source
Product Releases & Services
· April 8, 2025
Introducing OpenZeppelin Contracts v5.2 and OpenZeppelin Community Contracts
Product Releases & Services
· January 10, 2025
Strengthening DeFi: OpenZeppelin and Uniswap’s Security Partnership in 2024
Company
· December 30, 2024
Strengthening DeFi: OpenZeppelin and Compound's Security Partnership in 2024
Company
· December 18, 2024
Announcing a New Working Group for OpenZeppelin Governor
Company
· November 7, 2024
Compound Case Study: How Compound enhances DAO Operations with Defender
Product Releases & Services
· October 25, 2024
Unveiling Uniswap Hooks Library
Product Releases & Services
· October 21, 2024
Introducing OpenZeppelin Contracts v5.1
Product Releases & Services
· October 17, 2024
Seamless Case Study: How Seamless set onchain DeFi Strategies with Defender
Product Releases & Services
· September 18, 2024
Solving Ethereum's Interoperability Problem
Company
· August 20, 2024
OpenZeppelin and Chainlink Labs Establish Strategic Alliance To Support Chainlink BUILD Members
Announcing the General Availability of OpenZeppelin Defender
Product Releases & Services
· February 28, 2024
Next-Gen Development on Arbitrum Stylus
Product Releases & Services
· February 22, 2024
Compound Case Study: How Compound Secures its Protocol and Users
Product Releases & Services
· December 21, 2023
Announcing the OpenZeppelin Zero Knowledge Proofs (ZKP) Practice
Product Releases & Services
· December 14, 2023
Incident Response: Stop Loss of Funds with an Organized Approach
Product Releases & Services
· November 23, 2023
Introducing OpenZeppelin Contracts 5.0
Product Releases & Services
· October 5, 2023
Matias Woloski Joins OpenZeppelin as Product Advisor
Company
· August 31, 2023
Announcing Defender 2.0
Product Releases & Services
· August 28, 2023
OpenZeppelin Elevates Security at ETHCC
Announcing The Newest Blockchain Security Fellowship Program
40% Faster Go-Live: Matter Labs Accelerates Journey to Mainnet with OpenZeppelin
Introducing the OpenZeppelin Contracts Security Center
Product Releases & Services
· June 8, 2023
Introducing OpenZeppelin Contracts v4.9
Product Releases & Services
· May 24, 2023
Base Developers Can Now Access OpenZeppelin’s Smart Contract Security
Product Releases & Services
· April 19, 2023
ETHDenver 2023 OpenZeppelin Hackathon Bounty Winners
How Web3 Progressively Decentralizes using OpenZeppelin Governor
Product Releases & Services
· February 6, 2023
Announcing The Newest Blockchain Security Fellowship Program
Company
· January 31, 2023
Improving DAO Security with Compound's Grant Program
Product Releases & Services
· January 23, 2023
OpenZeppelin and Compound DAO: a Year of DAO Security Best Practices
Product Releases & Services
· December 14, 2022
Announcing Security Solutions Partnership with Matter Labs
Company
· November 23, 2022
Matter Labs Reaches a Security Milestone for the Decentralized Ecosystem
Product Releases & Services
· November 16, 2022
Announcing OpenZeppelin Contracts 4.8
Product Releases & Services
· November 8, 2022
Feature Announcement
Product Releases & Services
· September 26, 2022
Validate Smart Contract Storage Gaps With OpenZeppelin Upgrades Plugins
Product Releases & Services
· September 14, 2022
Announcing Support for the Hedera Network
Product Releases & Services
· August 24, 2022
Staying Safe with Smart Contract Upgrades
Product Releases & Services
· August 16, 2022
Announcing the Blockchain Security Research Fellowship
Announcing OpenZeppelin Contracts for Cairo v0.2.0
Product Releases & Services
· July 5, 2022
Decentralized On-Chain Security Monitoring for the DeFi Community
Product Releases & Services
· May 26, 2022
Announcing OpenZeppelin Contracts for Cairo
Product Releases & Services
· April 5, 2022
ANZ Bank's $30 million stablecoin transaction secured by OpenZeppelin
Safeguarding OpenZeppelin Contracts
Product Releases & Services
· December 20, 2021
Defender is Expanding Mainnet Access for All
Product Releases & Services
· November 17, 2021
Introducing the Smart Contract Security Registry
Product Releases & Services
· November 8, 2021
OpenZeppelin Contracts 4.3
Product Releases & Services
· August 17, 2021
Introducing OpenZeppelin Governor
Product Releases & Services
· August 17, 2021
Introducing OpenZeppelin Subgraphs
Product Releases & Services
· July 16, 2021
Introducing the OpenZeppelin Secure Development Series
Product Releases & Services
· July 9, 2021
OpenZeppelin Contracts 4.2
Product Releases & Services
· June 30, 2021
Developers Can Now Register and Manage Chainlink Keeper Jobs with OpenZeppelin Defender
Product Releases & Services
· June 15, 2021
Moonbeam Integrates with OpenZeppelin to Provide Best-in-Class Security Tools to Developers
OpenZeppelin Contracts 4.1
Product Releases & Services
· April 29, 2021
Introducing Contracts Wizard
Product Releases & Services
· April 5, 2021
OpenZeppelin Contracts 4.0
Product Releases & Services
· March 24, 2021
Service Monitoring and Emergency Response with Defender
Product Releases & Services
· March 17, 2021
Introducing Defender Sentinels
Product Releases & Services
· March 11, 2021
OpenZeppelin Defender – March 2021 Update
Product Releases & Services
· March 10, 2021
OpenZeppelin Contracts 3.4
Product Releases & Services
· February 3, 2021
Introducing OpenZeppelin Defender
Product Releases & Services
· October 26, 2020
OpenZeppelin Upgrades Plugins for Buidler and Truffle
Product Releases & Services
· August 18, 2020
OpenZeppelin Upgrades App for Gnosis Safe
Product Releases & Services
· August 18, 2020
Welcome Jonathan Alexander, OpenZeppelin’s new CTO
Microsoft integrates OpenZeppelin Contracts into Microsoft Azure
Company
· October 22, 2019
GSN: The Ultimate Ethereum Onboarding Solution
Product Releases & Services
· August 6, 2019
Say Hi to OpenZeppelin, the Company
Launching the Zeppelin community forum
Announcing the Wyre + Zeppelin TPL integration
Solidity Hot Reloading Using ZepKit
Product Releases & Services
· May 13, 2019
MakerDAO Critical Vulnerability Notice
Product Releases & Services
· May 6, 2019
Gas Station Network Alliance: Zeppelin & TabooKey
ETHDenver 2019 Recap and Zeppelin Bounty Winners!
Company
· February 20, 2019
Introducing ZepKit: the easiest way to start your (d)app
Product Releases & Services
· February 12, 2019
Zeppelin at ETHDenver: an upgradeable, linkable future!
Company
· January 31, 2019
Why I’m Building Zeppelin
Company
· December 28, 2018
State of EVM Packages – End of 2018
Product Releases & Services
· December 21, 2018
Announcing the ZEP Token Private Beta
Product Releases & Services
· November 1, 2018
Introducing ZeppelinOS 2.0
Product Releases & Services
· November 1, 2018
Participate in Zeppelin’s Puzzle Game to Celebrate Devcon4!
Company
· October 30, 2018
Getting started with OpenZeppelin-eth
Product Releases & Services
· October 25, 2018
Announcing OpenZeppelin 2.0
Product Releases & Services
· October 22, 2018
The Global Coordination Machine
Company
· October 12, 2018
Announcing the launch of ZeppelinOS
Product Releases & Services
· May 25, 2018
EthDenver Zeppelin Prize Winners
Company
· February 23, 2018
ZeppelinOS Partners With ChainLink, the Market Leader in Trusted Oracles
Company
· December 18, 2017
Introducing Initial Launch Partners for ZeppelinOS
Company
· December 14, 2017
ZeppelinOS Development Roadmap Part Two: Kernel & Contract Development Tools
Product Releases & Services
· November 29, 2017
Announcing ZeppelinOS Labs: A Space for Community Involvement
Product Releases & Services
· November 24, 2017
ZeppelinOS Development Roadmap: Part One
Product Releases & Services
· November 13, 2017
Join Zeppelin’s CTF hacking game to celebrate Devcon3
Company
· October 31, 2017
Introducing zeppelinOS Whitepaper’s First Draft
Product Releases & Services
· August 24, 2017
Technical Details of ZeppelinOS
Product Releases & Services
· August 2, 2017
Introducing Zeppelin Solutions
Introducing Escrow & Key Management Services
Product Releases & Services
· March 21, 2017
OpenZeppelin now supports ethpm
Product Releases & Services
· March 9, 2017
OpenZeppelin v1.0.0
Product Releases & Services
· November 25, 2016
Open Zeppelin and Ethereum
Company
· October 11, 2016
The Ugly Truth About Blockchain Applications
Company
· September 29, 2016
OpenZeppelin: a New Standard for Secure Blockchain Applications
Company
· September 15, 2016
OpenZeppelin Framework Proposal and Development Roadmap
Company
· September 14, 2016