Announcing a New Working Group for OpenZeppelin Governor
Governance
· November 7, 2024
OpenZeppelin and Chainlink Labs Establish Strategic Alliance To Support Chainlink BUILD Members
· March 26, 2024
Announcing the OpenZeppelin Zero Knowledge Proofs (ZKP) Practice
Announcements
· December 14, 2023
Arbitrary Address Spoofing Attack: ERC2771Context Multicall Public Disclosure
Security Insights
· December 7, 2023
Introducing OpenZeppelin Contracts 5.0
Featured
· October 5, 2023
A Novel Defense Against ERC4626 Inflation Attacks
· August 15, 2023
Announcing The Newest Blockchain Security Fellowship Program
Announcements
· July 5, 2023
Auditing Like A Pro With Nikesh Nazareth
Security Insights
· June 28, 2023
Compound DAO Boosts Governance Efficiency by 20% with OpenZeppelin
Case Study
· June 28, 2023
Auditing Like A Pro With Nikesh Nazareth
Security Insights
· June 28, 2023
Incident Response in Web3: Balancing Speed, Values, and Security
Security Insights
· June 15, 2023
Cryptography 101: Building Blocks for Blockchain Security
Security Insights
· June 15, 2023
Cryptography 101: Building Blocks for Blockchain Security
Security Insights
· June 15, 2023
Incident Response in Web3: Balancing Speed, Values, and Security
Security Insights
· June 15, 2023
Introducing the OpenZeppelin Contracts Security Center
Announcements
· June 8, 2023
ChatGPT vs Ethernaut
Security Insights
· June 1, 2023
ChatGPT vs Ethernaut
Security Insights
· June 1, 2023
Introducing OpenZeppelin Contracts v4.9
Products
· May 24, 2023
Account Abstraction's Impact on Security and User Experience
Security Insights
· May 23, 2023
Account Abstraction's Impact on Security and User Experience
Security Insights
· May 23, 2023
How to Ensure Web3 Users Are Safe from Zero Transfer Attacks
Announcements
· March 23, 2023
Top 10 Blockchain Hacking Techniques of 2022 -Voting Phase Open
Announcements
· January 16, 2023
Matter Labs Reveals Results of OpenZeppelin’s First zkSync 2.0 Security Audit
Announcements
· November 23, 2022
Announcing OpenZeppelin Contracts 4.8
Products
· November 8, 2022
FEI Post Mortem
Announcements
· May 13, 2021
Workshop Recap: Managing Smart Contract Upgrades
Products
· April 27, 2021
Holdefi Audit
Security Audits
· March 29, 2021
Holdefi Audit
Security Audits
· March 29, 2021
Admin Accounts and Multisigs
Security Insights
· March 21, 2021
Service Monitoring and Emergency Response with Defender
Products
· March 17, 2021
Introducing Defender Sentinels
Products
· March 11, 2021
Workshop Recap: Cheap contract deployment through Clones
Products
· March 3, 2021
Workshop Recap: Gasless MetaTransactions with OpenZeppelin Defender
Products
· February 18, 2021
New Tools to Securely Manage Smart Contract Upgrades
Announcements
· August 18, 2020
OpenZeppelin Upgrades Plugins for Buidler and Truffle
Products
· August 18, 2020
Flash-Mintable Asset-Backed Tokens
Security Insights
· June 24, 2020
Argent Audit Technical Report
Security Audits
· June 18, 2020
Argent Audit Technical Report
Security Insights
· June 18, 2020
DeFi Reflections on Hackers and Viruses
Security Insights
· April 28, 2020
Changing the feedback experience using positive psychology
Security Insights
· December 2, 2019
Microsoft integrates OpenZeppelin Contracts into Microsoft Azure
Announcements
· October 22, 2019
Recoverable Wallet Audit
Security Audits
· September 17, 2019
Recoverable Wallet Audit
Security Audits
· September 17, 2019
GSN: The Ultimate Ethereum Onboarding Solution
Security Insights
· August 6, 2019
Say Hi to OpenZeppelin, the Company
Announcements
· July 22, 2019
Launching the Zeppelin community forum
Announcements
· June 17, 2019
Announcing the Wyre + Zeppelin TPL integration
Announcements
· May 23, 2019
Sign it like you mean it: creating and verifying Ethereum signatures
Security Insights
· May 19, 2019
ETHDenver 2019 Recap and Zeppelin Bounty Winners!
Events
· February 20, 2019
A new wave of applications
Security Insights
· February 11, 2019
Building Blocks
Security Insights
· February 8, 2019
Building Blocks
Security Insights
· February 8, 2019
Zeppelin at ETHDenver: an upgradeable, linkable future!
Events
· January 31, 2019
EVM package deployment with ZeppelinOS—Part I
Products
· January 28, 2019
EVM package deployment with ZeppelinOS—Part II
Security Insights
· January 28, 2019
EVM package deployment with ZeppelinOS—Part II
Security Insights
· January 28, 2019
EVM package deployment with ZeppelinOS—Part III
· January 28, 2019
Deconstructing a Solidity Contract — Part VI: The Metadata Hash
Security Insights
· September 28, 2018
Deconstructing a Solidity Contract — Part VI: The Metadata Hash
Security Insights
· September 28, 2018
Deconstructing a Solidity Contract - Part VI: The Metadata Hash
Security Insights
· September 28, 2018
Deconstructing a Solidity Contract - Part V
Products
· September 20, 2018
Transaction Permission Layer Protocol v1.0
Products
· September 7, 2018
Compliant Decentralization?: Exploring an Approach to Utility Token Distribution
Security Insights
· September 6, 2018
Deconstructing a Solidity Contract - Part III: The Function Selector
Security Insights
· September 5, 2018
Deconstructing a Solidity Contract — Part III: The Function Selector
Security Insights
· September 5, 2018
Deconstructing a Solidity Contract —Part I: Introduction
Security Insights
· August 13, 2018
Deconstructing a Solidity Contract - Part II: Creation vs. Runtime
Security Insights
· August 13, 2018
Deconstructing a Solidity Smart Contract - Part 1: Introduction
Security Insights
· August 13, 2018
Deconstructing a Solidity Contract — Part II: Creation vs. Runtime
Security Insights
· August 13, 2018
Ethereum in Depth, Part 2
Security Insights
· July 24, 2018
Ethereum in Depth, Part 1
Security Insights
· May 11, 2018
Ethereum in Depth, Part 1
Security Insights
· May 11, 2018
Upgradeability using Unstructured Storage
Products
· April 13, 2018
On crowdsales and multiple inheritance
Security Insights
· April 8, 2018
On crowdsales and multiple inheritance
Security Insights
· April 8, 2018
Smart Contract Upgradeability using Eternal Storage
Security Insights
· January 19, 2018
A Gentle Introduction to Ethereum Programming, Part 3
· January 12, 2018
ZeppelinOS Partners With ChainLink, the Market Leader in Trusted Oracles
Announcements
· December 18, 2017
Introducing Initial Launch Partners for ZeppelinOS
Announcements
· December 14, 2017
ZeppelinOS Development Roadmap Part Two: Kernel & Contract Development Tools
Announcements
· November 29, 2017
Announcing ZeppelinOS Labs: A Space for Community Involvement
Announcements
· November 24, 2017
A Gentle Introduction to Ethereum Programming, Part 2
Security Insights
· November 17, 2017
A Gentle Introduction to Ethereum Programming, Part 1
Security Insights
· November 14, 2017
ZeppelinOS Development Roadmap: Part One
Announcements
· November 13, 2017
Evolution of Smart Contract Security in the Ethereum Ecosystem
Security Insights
· November 2, 2017
Evolution of Smart Contract Security in the Ethereum Ecosystem
Security Insights
· November 2, 2017
Ripio Token Audit
Security Audits
· October 23, 2017
Ripio Token Audit
Security Audits
· October 23, 2017
Ripio Token Audit
Security Audits
· October 23, 2017
Thin Protocols
Security Insights
· October 3, 2017
Thin Protocols
Security Insights
· October 3, 2017
Technical Details of ZeppelinOS
Products
· August 2, 2017
Introducing zeppelinOS: the operating system for smart contract applications
Announcements
· July 27, 2017
Setting Up a Bug Bounty Smart Contract with OpenZeppelin
Products
· July 12, 2017
OpenZeppelin now supports ethpm
Announcements
· March 9, 2017
Proxy Libraries in Solidity
Products
· March 6, 2017
OpenZeppelin Framework Proposal and Development Roadmap
Announcements
· September 14, 2016
Onward with Ethereum Smart Contract Security
Products
· August 16, 2016
The Hitchhiker’s Guide to Smart Contracts in Ethereum
Security Insights
· July 29, 2016
The Hitchhiker’s Guide to Smart Contracts in Ethereum
Security Insights
· July 29, 2016