The Notorious Bug Digest #4: Deflationary Token Risks, ERC4626 Override Gaps, and Rust Shift Overflows
Security Insights
· August 6, 2025
Introducing the OpenZeppelin Contracts MCP: AI‑Powered Smart Contract Development
Announcements
· July 30, 2025
CapyFi Audit
Security Audits
· July 24, 2025
1inch Protocol Fee Audit
Security Audits
· July 21, 2025
Fusion Swap for Solana Audit
Security Audits
· July 21, 2025
Inside ZKStack's Crosschain Architecture — Part I: A Deep Dive into Merkle Tree Hierarchies
Security Insights
· July 17, 2025
OpenZeppelin Uniswap Hooks v1.1.0 RC 2 Audit
Uniswap
· July 16, 2025
OpenZeppelin Uniswap Hooks v1.1.0 RC 1 Audit
Security Audits
· July 16, 2025
Stellar Contracts Library v0.3.0-rc.2 Audit
Rust
· July 10, 2025
Across Protocol OFT Integration Differential Audit
Security Audits
· July 3, 2025
Periphery Changes Audit
Security Audits
· July 3, 2025
Doubling Down on Open Source Tools and Phasing Out Defender
Announcements
· June 30, 2025
Testing Arbitrum Stylus Smart Contracts with Motsu
Security Insights
· June 26, 2025
6 Questions To Ask Before Writing a Uniswap v4 Hook
Security Insights
· June 10, 2025
The Notorious Bug Digest #3
Security Insights
· June 2, 2025
ERC-4626 Tokens in DeFi: Exchange Rate Manipulation Risks
Lending
· May 22, 2025
V3StyleOracleHook Audit
· May 20, 2025
SSO Account Recovery Circuits Audit
Security Audits
· May 15, 2025
SSO Account OIDC Recovery Solidity Audit
Security Audits
· May 15, 2025
EVM Emulator and Semi-abstracted Nonces Update Audit
Security Audits
· May 15, 2025
SVM Spoke Audit
Security Audits
· May 12, 2025
Across Audit
Security Audits
· May 12, 2025
EVM Universal Adapter Audit
Security Audits
· May 12, 2025
Across Linea CCTP Diff Audit
Security Audits
· May 12, 2025
Across Protocol Diff Audit -Arbitrum CustomGasToken & ExclusivityPeriod
Security Audits
· May 12, 2025
Across Protocol SVM Solidity Audit
Security Audits
· May 12, 2025
The Uniswap ERC-20 Token Factory Audit
Security Audits
· May 6, 2025
Uniswap V4 WETH and WstETH Hooks Audit
· May 6, 2025
Stylus SDK 0.9 Audit
· April 23, 2025
ZKsync Protocol Precompiles Implementation Audit
Security Audits
· April 10, 2025
ZKsync Crypto Precompile Audit
Security Audits
· April 10, 2025
FCHAIN Validator and Staking Contracts Audit
Security Audits
· April 10, 2025
A Developer’s Guide to Building Safe Noir Circuits
Security Insights
· March 26, 2025
WisdomTree Digital Whitelist Contexts Audit
Security Audits
· March 25, 2025
The Notorious Bug Digest #2
Security Insights
· March 18, 2025
Fireblocks Upgradeable Tokens Audit - ERC20F
Security Audits
· March 12, 2025
Fireblocks Upgradeable Tokens Audit - ERC1155F
Security Audits
· March 12, 2025
ZKsync SSO Account Abstraction Audit
Solidity
· March 11, 2025
Mantle Op-geth & Op-stack Diff Audit
L2's
· February 27, 2025
Stellar Contracts Library 0.1.0 Audit
Security Audits
· February 21, 2025
The Notorious Bug Digest #1
Security Insights
· February 19, 2025
Lido Dual Governance Update Audit
Governance
· February 18, 2025
Lido Dual Governance Audit
· February 18, 2025
Stylus SDK 0.7 Audit
· February 14, 2025
From Stage 0 to Stage 1: Security Council Best Practices in Rollup Governance
Governance
· February 12, 2025
Poseidon go brr with Stylus: Cryptographic functions are 18x more gas-efficient via Rust on Arbitrum
Security Insights
· February 10, 2025
ZKsync Paymaster Audit
Security Audits
· February 5, 2025
Distributor Diff Audit
Security Audits
· February 5, 2025
Web3 Security Auditor's 2024 Rewind
· February 4, 2025
How to Prepare for a Noir Circuit Audit?
ZKP
· January 31, 2025
USDT0 Audit
Security Audits
· January 29, 2025
What is a Smart Contract Audit: Lessons from OpenZeppelin’s 700+ Audits
Learning
· January 22, 2025
SolvBTC Blacklist Audit
· January 15, 2025
Forta Firewall Incremental Audit
Security Audits
· January 8, 2025
Add Tests To Your Stylus Contracts
Rust
· December 23, 2024
Origin OUSD Audit
Security Audits
· December 18, 2024
Sonic Gateway Audit
Security Audits
· December 13, 2024
Protocol Defense Audit
Security Audits
· December 11, 2024
Solv Mainnet Minter Audit
· December 9, 2024
Linea Rollup and TokenBridge Role Upgrade
Security Audits
· November 28, 2024
Cross Chain Swaps Audit
Security Audits
· November 14, 2024
Dojo Security Review
Security Audits
· November 12, 2024
Announcing a New Working Group for OpenZeppelin Governor
Governance
· November 7, 2024
Forta Firewall Audit
· October 29, 2024
ZKsync L1 Governance Diff Audit
Security Audits
· October 23, 2024
ZKsync L2 Governance Audit
Security Audits
· October 23, 2024
Decentralized Governance Audit
Security Audits
· October 23, 2024
Unveiling Uniswap Hooks Library
Announcements
· October 21, 2024
Anvil Audit
Security Audits
· October 11, 2024
Seamless Case Study: How Seamless set onchain DeFi Strategies with Defender
Case Study
· September 18, 2024
Stylus Rust SDK Audit
Rust
· September 9, 2024
Uniswap v4 Periphery and Universal Router Audit
Security Audits
· August 30, 2024
Uniswap v4 Core Audit
Security Audits
· August 27, 2024
Solving Ethereum's Interoperability Problem
Solidity
· August 20, 2024
OETH Withdrawal Queue Audit
Security Audits
· August 15, 2024
ZK Stack VM1.5 Diff Audit
Security Audits
· July 26, 2024
ZK Stack State Transition Diff Audit
· July 26, 2024
Radiant Riz Audit
Security Audits
· July 23, 2024
Avalanche Interchain Token Transfer Audit
Security Audits
· July 3, 2024
Taiko Protocol Audit
Security Audits
· June 26, 2024
Panoptic Audit
Security Audits
· June 24, 2024
ZKsync State Transition Diff Audit
Security Audits
· June 4, 2024
Scroll Batch Token Bridge Audit
Security Audits
· May 28, 2024
1inch Limit Order Protocol Diff Audit
Security Audits
· May 23, 2024
1inch Limit Order and Aggregation Protocols Diff Audit
Security Audits
· May 23, 2024
1inch Aggregation Protocol Diff Audit
Security Audits
· May 23, 2024
1inch Limit Order Settlement Audit
Security Audits
· May 20, 2024
Euler Ethereum Vault Connector Audit
Security Audits
· May 20, 2024
Euler Price Oracle Audit
Security Audits
· May 20, 2024
Euler Vault Kit (EVK) Audit
Security Audits
· May 20, 2024
Linea Gas Optimizations Audit
Security Audits
· May 17, 2024
Morpheus MOR OFT Token Audit
Security Audits
· May 9, 2024
Forta Staking Vault Audit
Security Audits
· April 23, 2024
Mantle V2 Solidity Contracts Audit
Security Audits
· April 16, 2024
Mantle Node, Batcher, Proposer, and Tooling Incremental Audit
L2's
· April 16, 2024
Mantle OP-Geth Audit
L2's
· April 16, 2024
Scroll EIP-4844 Support Audit
Security Audits
· April 15, 2024
Ironblocks Onchain Firewall Audit
Security Audits
· March 26, 2024
AVA Warp Messaging Audit
Security Audits
· March 26, 2024
MerkleDB Audit
Go
· March 26, 2024
OpenZeppelin and Chainlink Labs Establish Strategic Alliance To Support Chainlink BUILD Members
· March 26, 2024
AVA Teleporter Audit
Security Audits
· March 22, 2024
Linea Blob Submission Audit
Security Audits
· March 21, 2024
Particle Network BTC Smart Account Audit
Security Audits
· March 15, 2024
Scroll ZKTrieVerifier Audit
Security Audits
· March 11, 2024
Top 10 Blockchain Hacking Techniques 2023
Announcements
· March 4, 2024
Ion Protocol weETH Integration Audit
Security Audits
· February 27, 2024
Next-Gen Development on Arbitrum Stylus
Rust
· February 22, 2024
ERC-4337 Account Abstraction Incremental Audit
Security Audits
· February 22, 2024
Linea V2 Audit
Security Audits
· February 14, 2024
MUD Audit
Security Audits
· February 11, 2024
MUD Code Generation Audit
Security Audits
· February 11, 2024
Safe 4337 Module Audit
· February 9, 2024
UNCX UniswapV3 Liquidity Locker Audit
Security Audits
· February 8, 2024
Scroll - Bridge Gas Optimizations Audit
Security Audits
· February 7, 2024
Matterlabs EIP-4844 Support Audit
Security Audits
· February 5, 2024
zkSync Keccak256 Upgrade Audit
Security Audits
· January 29, 2024
November Diff Audit
Security Audits
· January 29, 2024
zkSync L1Messenger Upgrade Audit
Security Audits
· January 29, 2024
zkSync Upgrade System Audit
Security Audits
· January 29, 2024
Short-Term Fee Model Changes Audit
Security Audits
· January 29, 2024
zkSync L2 Block Refactor Audit
Security Audits
· January 29, 2024
UMA Accelerating Distributor Incremental Audit
Security Audits
· January 29, 2024
zkSync Bridge and .transfer & .send Diff Audit
Security Audits
· January 29, 2024
Scroll Alpha Comet Deployment Audit
Security Audits
· January 26, 2024
Ion Protocol Audit
Security Audits
· January 22, 2024
Restakefi Audit
Security Audits
· January 19, 2024
UMA Across V2 Diff Audit 2023
Security Audits
· January 4, 2024
Compound Case Study: How Compound Secures its Protocol and Users
Case Study
· December 21, 2023
Auki Labs Audit
Security Audits
· December 21, 2023
ZK-SNARKS & The Last Challenge Attack: Mind Your Fiat-Shamir!
Security Insights
· December 14, 2023
Announcing the OpenZeppelin Zero Knowledge Proofs (ZKP) Practice
Announcements
· December 14, 2023
Agora Optimism Governance Audit
Security Audits
· December 13, 2023
The Sandbox Marketplace Audit
· December 13, 2023
Catalyst Audit
· December 13, 2023
Asset Audit
· December 13, 2023
Arbitrary Address Spoofing Attack: ERC2771Context Multicall Public Disclosure
Security Insights
· December 7, 2023
Incident Response: Stop Loss of Funds with an Organized Approach
Announcements
· November 23, 2023
OpenBrush Contracts Library Security Review
Security Audits
· November 14, 2023
Linea Verifier Audit
Security Audits
· November 3, 2023
Linea Bridge Audit
Security Audits
· November 3, 2023
Linea Verifier Audit
Security Audits
· November 3, 2023
Mountain Protocol wUSDM Audit
· October 31, 2023
Exactly EscrowedExa Audit
Security Audits
· October 27, 2023
Exactly EscrowedExa Audit
Security Audits
· October 27, 2023
Venus Token Converter Audit
Security Audits
· October 27, 2023
Wido Comet Collateral Swap Contracts
Security Audits
· October 25, 2023
Wido Comet Collateral Swap Contracts
Security Audits
· October 25, 2023
Radiant V2 Audit
Security Audits
· October 18, 2023
Radiant V2 Audit
Security Audits
· October 18, 2023
Scroll Phase 2 Audit
Security Audits
· October 16, 2023
Scroll Diff Audit Report
Security Audits
· October 16, 2023
Scroll Diff Audit Report
Security Audits
· October 16, 2023
Scroll Phase 1 Audit
Security Audits
· October 16, 2023
ScrollOwner and Rate Limiter Audit
Security Audits
· October 16, 2023
Scroll Phase 2 Audit
Security Audits
· October 16, 2023
Scroll Phase 1 Audit
Security Audits
· October 16, 2023
Scroll GasSwap, Multiple Verifier, Wrapped Ether and Diff Audit
Security Audits
· October 16, 2023
Scroll GasSwap, Multiple Verifier, Wrapped Ether and Diff Audit
Security Audits
· October 16, 2023
Scroll USDC Gateway Audit
Security Audits
· October 16, 2023
Ocean Vesting Wallet Audit
Security Audits
· October 12, 2023
Ocean Vesting Wallet Audit
Security Audits
· October 12, 2023
OpenZeppelin Security Analysis: UniswapX
Security Insights
· October 10, 2023
UniswapX Audit
Security Audits
· October 10, 2023
Venus Prime Audit
Security Audits
· October 10, 2023
Venus Prime Audit
Security Audits
· October 10, 2023
Introducing OpenZeppelin Contracts 5.0
Featured
· October 5, 2023
The Graph Timeline Aggregation Audit
Security Audits
· September 20, 2023
The Graph Timeline Aggregation Audit
Security Audits
· September 20, 2023
A Novel Defense Against ERC4626 Inflation Attacks
· August 15, 2023
SphereX Audit
Security Audits
· August 9, 2023
SphereX Audit
Security Audits
· August 9, 2023
Land and Tunnel Audit
Security Audits
· August 9, 2023
Land and Tunnel Audit
Security Audits
· August 9, 2023
Compound Comet Wrapper Audit
· August 1, 2023
OpenZeppelin Security Report: Top Security Incidents and Insights from April - June 2023
Security Insights
· July 27, 2023
Security Report: Top Incidents and Insights from April - June 2023
Security Insights
· July 27, 2023
Mantle Token and Bridge Audit
Security Audits
· July 18, 2023
Mantle Token and Bridge Audit
Security Audits
· July 18, 2023
Announcing The Newest Blockchain Security Fellowship Program
Announcements
· July 5, 2023
Beefy Zap Audit
Security Audits
· June 29, 2023
Beefy Zap Audit
Security Audits
· June 29, 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
OpenZeppelin Security Audit and Advisory Services for BTG Pactual Stablecoin
Security Audits
· June 27, 2023
UMA Optimistic Governor Incremental Audit
Security Audits
· June 26, 2023
Retro/Thena Audit
Security Audits
· June 26, 2023
Venus Protocol SwapRouter Audit
Security Audits
· June 20, 2023
Venus Protocol SwapRouter Audit
Security Audits
· June 20, 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
Venus Protocol Oracles Audit
Security Audits
· June 13, 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
Base Developers Can Now Access OpenZeppelin’s Smart Contract Security
Announcements
· April 19, 2023
Security Review ink! & cargo-contract
Security Audits
· April 6, 2023
Security Review ink! & cargo-contract
Security Audits
· April 6, 2023
How to Ensure Web3 Users Are Safe from Zero Transfer Attacks
Announcements
· March 23, 2023
ETHDenver 2023 OpenZeppelin Hackathon Bounty Winners
Events
· March 22, 2023
zkSync Fee Model and Token Bridge Audit
Security Audits
· March 9, 2023
zkSync | Layer 1 Diff Audit
Security Audits
· March 8, 2023
zkSync | Layer 1 Diff Audit February
Security Audits
· March 8, 2023
EIP-4337 – Ethereum Account Abstraction Incremental Audit
Security Audits
· March 1, 2023
EIP-4337 – Ethereum Account Abstraction Incremental Audit
Security Audits
· March 1, 2023
Compound Polygon Bridge Receiver Audit
Security Audits
· February 17, 2023
Compound Polygon Bridge Receiver Audit
Security Audits
· February 17, 2023
How Web3 Progressively Decentralizes using OpenZeppelin Governor
Products
· February 6, 2023
Announcing The Newest Blockchain Security Fellowship Program
Announcements
· January 31, 2023
UMA Optimistic Asserter Audit
Security Audits
· January 30, 2023
UMA Optimistic Asserter Audit
Security Audits
· January 30, 2023
zkSync Bootloader Audit Report
Security Audits
· January 27, 2023
zkSync Bootloader Audit Report
Security Audits
· January 27, 2023
Top 10 Blockchain Hacking Techniques of 2022 -Voting Phase Open
Announcements
· January 16, 2023
Defining Industry Standards for Custom Error Messages
Security Insights
· January 4, 2023
Defining Industry Standards for Custom Error Messages
Security Insights
· January 4, 2023
Opyn Bull Strategy Contracts Audit
Security Audits
· December 19, 2022
Opyn Bull Strategy Contracts Audit
Security Audits
· December 19, 2022
OpenZeppelin and Compound DAO: a Year of DAO Security Best Practices
Announcements
· December 14, 2022
zkSync Layer 1 Diff Audit
Security Audits
· December 13, 2022
UMA DVM 2.0 Incremental Audit
Security Audits
· December 8, 2022
UMA DVM 2.0 Incremental Audit
Security Audits
· December 8, 2022
UMA DVM 2.0 Audit
Security Audits
· December 2, 2022
Announcing Security Solutions Partnership with Matter Labs
Announcements
· November 23, 2022
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
Origin Dollar Audit
Security Audits
· November 4, 2022
Origin Dollar Audit
Security Audits
· November 4, 2022
Neptune Mutual Audit
Security Audits
· October 24, 2022
Feature Announcement
Announcements
· September 26, 2022
Improved Security Through Bytecode Verification
Products
· September 21, 2022
Validate Smart Contract Storage Gaps With OpenZeppelin Upgrades Plugins
Products
· September 14, 2022
Bancor Compounding Rewards Audit
Security Audits
· September 6, 2022
Coinbase Liquid Staking Token Audit
Security Audits
· August 24, 2022
Announcing Support for the Hedera Network
Announcements
· August 24, 2022
Freeverse Crypto Payments Audit
Security Audits
· August 9, 2022
Announcing the Blockchain Security Research Fellowship
Announcements
· July 25, 2022
UMA Optimistic Governor Audit
Security Audits
· July 21, 2022
Across Token and Token Distributor Audit
Security Audits
· July 21, 2022
UMA Optimistic Governor Audit
Security Audits
· July 21, 2022
Across Token and Token Distributor Audit
Security Audits
· July 21, 2022
Compound III Audit
Security Audits
· July 20, 2022
Compound III Audit
Security Audits
· July 20, 2022
Announcing OpenZeppelin Contracts for Cairo v0.2.0
Products
· July 5, 2022
Origin Governance Audit
Security Audits
· July 1, 2022
Celo Contracts Audit
Security Audits
· June 16, 2022
Celo Contracts Audit
Security Audits
· June 16, 2022
Freeverse Payments Contract Audit
Security Audits
· June 16, 2022
Freeverse Payments Contract Audit
Security Audits
· June 16, 2022
Forta Protocol Audit
Security Audits
· June 8, 2022
UMA Across V2 Audit 2022
Security Audits
· May 11, 2022
UMA Across V2 Audit
Security Audits
· May 10, 2022
EIP-4337 – Ethereum Account Abstraction Audit
Security Audits
· April 19, 2022
EIP-4337 – Ethereum Account Abstraction Audit
Security Audits
· April 19, 2022
Getting started with OpenZeppelin Contracts for Cairo
Products
· April 5, 2022
Announcing OpenZeppelin Contracts for Cairo
Products
· April 5, 2022
$15 Billion Rugpull Vulnerability in Convex Finance protocol Uncovered and Resolved
Security Audits
· April 4, 2022
$15B Rugpull Vuln. in Convex Finance protocol Uncovered and Resolved
Security Insights
· April 4, 2022
ANZ Bank's $30 million stablecoin transaction secured by OpenZeppelin
Security Insights
· March 31, 2022
Compound TUSD Integration Issue Retrospective
Announcements
· March 21, 2022
Compound Comprehensive Protocol Audit
Security Audits
· March 21, 2022
Introducing a New Comprehensive Smart Contract Audit Readiness Guide
Announcements
· March 10, 2022
Celo Contracts Audit – Release 6
Security Audits
· February 23, 2022
Celo Contracts Audit – Release 6
Security Audits
· February 23, 2022
1inch Fixed Rate Swap Audit
Security Audits
· February 15, 2022
Uma Audit Phase 6
Security Audits
· January 7, 2022
Safeguarding OpenZeppelin Contracts
Announcements
· December 20, 2021
1inch Limit Order Protocol Audit
Security Audits
· December 16, 2021
1inch Limit Order Protocol Audit
Security Audits
· December 16, 2021
Tally SafeGuard Audit
Security Audits
· December 6, 2021
UMA Audit – L2 Bridges
Security Audits
· December 1, 2021
UMA Audit – L2 Bridges
Security Audits
· December 1, 2021
Optimism Smart Contracts Audit
Security Audits
· November 24, 2021
Optimism Smart Contracts Audit
Security Audits
· November 24, 2021
Defender is Expanding Mainnet Access for All
Announcements
· November 17, 2021
Introducing the Smart Contract Security Registry
Announcements
· November 8, 2021
Notional Contracts Audit
Security Audits
· November 5, 2021
Notional Contracts Audit
Security Audits
· November 5, 2021
Origin Dollar Audit
Security Audits
· October 25, 2021
Origin Dollar Audit
Security Audits
· October 25, 2021
Smart Contract Security Guidelines #4: Strategies for Safer Governance systems
Products
· October 12, 2021
Ribbon Finance Audit
Security Audits
· September 9, 2021
Ribbon Finance Audit
Security Audits
· September 9, 2021
Ribbon Finance Audit
Security Audits
· September 9, 2021
Smart Contract Security Guidelines #3: The Dangers of Price Oracles
Products
· September 8, 2021
Protect Your Users With Smart Contract Timelocks
Products
· September 7, 2021
Celo Contracts Audit Release 5
Security Audits
· August 27, 2021
Celo Contracts Audit Release 5
Security Audits
· August 27, 2021
Beta Finance Audit
Security Audits
· August 19, 2021
Beta Finance Audit
Security Audits
· August 19, 2021
Introducing OpenZeppelin Governor
Announcements
· August 17, 2021
Indexing Smart Contracts with OpenZeppelin Subgraphs & The Graph
Products
· August 3, 2021
How PoolTogether Automates Operations Using OpenZeppelin Defender
Products
· July 19, 2021
Introducing OpenZeppelin Subgraphs
Security Insights
· July 16, 2021
Fei Protocol Audit – Phase 2
Security Audits
· July 2, 2021
Managing Maintenance Tasks on Chainlink Keepers Using OpenZeppelin Defender
Products
· July 2, 2021
Fei Protocol Audit – Phase 2
Security Audits
· July 2, 2021
Deploying More Efficient Upgradeable Contracts
Products
· June 21, 2021
Developers Can Now Register and Manage Chainlink Keeper Jobs with OpenZeppelin Defender
Products
· June 15, 2021
Moonbeam Integrates with OpenZeppelin to Provide Best-in-Class Security Tools to Developers
Announcements
· June 4, 2021
Celo Contracts Audit – Release 4
Security Audits
· May 24, 2021
FEI Post Mortem
Announcements
· May 13, 2021
Alpha Finance Homora V2 Audit
Security Audits
· May 13, 2021
The Graph – Staking Bugfix #1 Audit
Security Audits
· April 27, 2021
Workshop Recap: Managing Smart Contract Upgrades
Products
· April 27, 2021
The Graph – Slashing Upgrade Audit
Security Audits
· April 27, 2021
The Graph – Staking Bugfix #2 Audit
Security Audits
· April 27, 2021
The Graph – Staking Bugfix #1 Audit
Security Audits
· April 27, 2021
The Graph Audit
Security Audits
· April 27, 2021
The Graph Audit
Security Audits
· April 27, 2021
The Graph – Governance Upgrade Audit
Security Audits
· April 27, 2021
The Graph – Slashing Upgrade Audit
Security Audits
· April 27, 2021
Introducing Contracts Wizard
Announcements
· April 5, 2021
Empty Set V2 Audit
Security Audits
· April 1, 2021
Empty Set V2 Audit
Security Audits
· April 1, 2021
Holdefi Audit
Security Audits
· March 29, 2021
Holdefi Audit
Security Audits
· March 29, 2021
Admin Accounts and Multisigs
Security Insights
· March 21, 2021
GST2 Bytecode Deep Dive
Security Insights
· March 18, 2021
GST2 Bytecode Deep Dive
Security Insights
· March 18, 2021
Service Monitoring and Emergency Response with Defender
Products
· March 17, 2021
Fundamentals of Gas Tokens
Security Insights
· March 15, 2021
Introducing Defender Sentinels
Products
· March 11, 2021
OpenZeppelin Defender – March 2021 Update
Products
· March 10, 2021
Workshop Recap: Cheap contract deployment through Clones
Products
· March 3, 2021
BarnBridge Smart Yield Bonds Audit
Security Audits
· February 26, 2021
BarnBridge Smart Yield Bonds Audit
Security Audits
· February 26, 2021
BarnBridge Smart Yield Bonds Audit
Security Audits
· February 26, 2021
Workshop Recap: Gasless MetaTransactions with OpenZeppelin Defender
Products
· February 18, 2021
An Introduction to Decentralized DevSecOps
Security Insights
· February 17, 2021
An Introduction to Decentralized DevSecOps
Security Insights
· February 17, 2021
Celo Contracts Audit
Security Audits
· February 5, 2021
Fei Protocol Audit
Security Audits
· February 5, 2021
Fei Protocol Audit
Security Audits
· February 5, 2021
Celo Contracts Audit
Security Audits
· February 5, 2021
UMA Audit – Phase 4
Security Audits
· February 2, 2021
1inch Liquidity Protocol Audit
Security Audits
· January 29, 2021
1inch Liquidity Protocol Audit
Security Audits
· January 29, 2021
1inch Liquidity Protocol Audit
Security Audits
· January 29, 2021
Futureswap V2 Audit
Security Audits
· January 3, 2021
Notional Audit
Security Audits
· December 22, 2020
Notional Audit
Security Audits
· December 22, 2020
Saddle Contracts Audit
Security Audits
· December 11, 2020
Saddle Contracts Audit
Security Audits
· December 11, 2020
1inch Exchange Audit
Security Audits
· November 13, 2020
GEB Protocol Audit
Security Audits
· November 13, 2020
GEB Protocol Audit
Security Audits
· November 13, 2020
Opyn Gamma Protocol Audit
Security Audits
· November 10, 2020
PoolTogether v3 Audit
Security Audits
· October 21, 2020
MCDEX Mai Fund Protocol Audit
Security Audits
· October 9, 2020
The State of Smart Contract Upgrades
Security Insights
· October 6, 2020
The State of Smart Contract Upgrades
Security Insights
· October 6, 2020
Endaoment Audit
Security Audits
· October 4, 2020
Endaoment Audit
Security Audits
· October 4, 2020
UMA Audit – Phase 3
Security Audits
· September 9, 2020
Set Protocol v2 Audit
Security Audits
· September 4, 2020
Set Protocol Audit
Security Audits
· September 4, 2020
Set Protocol v2 Audit
Security Audits
· September 4, 2020
Audius Contracts Audit
Security Audits
· August 25, 2020
Audius Contracts Audit
Security Audits
· August 25, 2020
Primitive Audit
Security Audits
· August 21, 2020
Primitive Audit
Security Audits
· August 21, 2020
New Tools to Securely Manage Smart Contract Upgrades
Announcements
· August 18, 2020
OpenZeppelin Upgrades Plugins for Buidler and Truffle
Products
· August 18, 2020
Balancer Contracts Audit
Security Audits
· August 9, 2020
Balancer Contracts Audit
Security Audits
· August 9, 2020
ACO Protocol Audit
Security Audits
· August 6, 2020
Compound Open Price Feed – Uniswap Integration Audit
Security Audits
· July 17, 2020
Compound Open Price Feed – Uniswap Integration Audit
Security Audits
· July 17, 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
MCDEX Mai Protocol Audit
Security Audits
· June 5, 2020
MCDEX Mai Protocol Audit
Security Audits
· June 5, 2020
Compound COMP Distribution System Audit
Security Audits
· May 22, 2020
UMA Audit – Phase 2
Security Audits
· May 12, 2020
DeFi Reflections on Hackers and Viruses
Security Insights
· April 28, 2020
PoolTogether – Pods Audit
Security Audits
· April 21, 2020
PoolTogether – Pods Audit
Security Audits
· April 21, 2020
dYdX Perpetual Audit
Security Audits
· April 19, 2020
What is DeFi? An Introduction to Decentralized Finance
Security Insights
· April 3, 2020
Backdooring Gnosis Safe Multisig wallets
Security Audits
· March 12, 2020
Backdooring Gnosis Safe Multisig wallets
Security Insights
· March 12, 2020
Compound Gas Optimizations Audit
Security Audits
· March 6, 2020
Flash Loans and the Advent of Episodic Finance
Security Insights
· March 2, 2020
Augur Core v2 Audit: Components
Security Audits
· February 27, 2020
Augur Core v2 Audit
Security Audits
· February 27, 2020
Augur Core v2 Audit
Security Audits
· February 27, 2020
Augur Core v2 Audit: Components
Security Audits
· February 27, 2020
Compound Alpha Governance System Audit
Security Audits
· February 25, 2020
Compound Alpha Governance System Audit
Security Audits
· February 25, 2020
Compound Open Oracle Audit
Security Audits
· February 11, 2020
Compound Open Oracle Audit
Security Audits
· February 11, 2020
Opyn Contracts Audit
Security Audits
· February 10, 2020
Opyn Contracts Audit
Security Audits
· February 10, 2020
Compound Finance
Security Audits
· February 9, 2020
Compound Finance
Security Audits
· February 9, 2020
PoolTogether Audit
Security Audits
· January 16, 2020
Aave Protocol Audit Summary
Security Insights
· January 15, 2020
Aave Protocol Audit
Security Audits
· January 15, 2020
Eco Contracts Audit
Security Audits
· January 14, 2020
Eco Contracts Audit
Security Audits
· January 14, 2020
ArroToken Audit
Security Audits
· January 13, 2020
ArroToken Audit
Security Audits
· January 13, 2020
A Year of Research at OpenZeppelin
Security Insights
· December 18, 2019
Deep dive into the Minimal Proxy contract
Products
· December 12, 2019
Review Summary of Bounties Network
Security Audits
· December 6, 2019
Review Summary of Bounties Network
Security Insights
· December 6, 2019
Bounties Network Review Summary
Security Audits
· December 6, 2019
Changing the feedback experience using positive psychology
Security Insights
· December 2, 2019
Reentrancy After Istanbul
Security Insights
· November 12, 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
OpenZeppelin Uncovers Vulnerability in Libra’s Move IR Compiler
Security Audits
· September 9, 2019
OpenZeppelin Uncovers Vulnerability in Libra’s Move IR Compiler
Security Audits
· September 9, 2019
Libra’s Move IR Compiler Vulnerability
Security Audits
· September 9, 2019
Libra’s Move IR Compiler Vulnerability
Security Audits
· September 9, 2019
PROPS Token Contracts Audit
Security Audits
· September 2, 2019
PROPS Rewards Engine Contracts Audit
· September 2, 2019
Compound Audit
Security Audits
· August 23, 2019
Compound Audit
Security Audits
· August 23, 2019
Bypassing Smart Contract Timelocks
Security Audits
· August 15, 2019
Bypassing Smart Contract Timelocks
Security Audits
· August 15, 2019
GSN: The Ultimate Ethereum Onboarding Solution
Security Insights
· August 6, 2019
Exploiting Uniswap: from reentrancy to actual profit
Security Audits
· July 28, 2019
Exploiting Uniswap: from reentrancy to actual profit
Security Audits
· July 28, 2019
Say Hi to OpenZeppelin, the Company
Announcements
· July 22, 2019
Launching the Zeppelin community forum
Announcements
· June 17, 2019
Getting the most out of CREATE2
Security Insights
· June 3, 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
Technical Description of Critical Vulnerability in MakerDAO Governance
Security Insights
· May 9, 2019
MakerDAO Critical Vulnerability Notice
Security Audits
· May 6, 2019
MakerDAO Critical Vulnerability Notice
Security Insights
· May 6, 2019
Solo Margin Protocol Audit
Security Audits
· April 30, 2019
Solo Margin Protocol Audit
Security Audits
· April 30, 2019
Marmo Contracts Audit
Security Audits
· April 23, 2019
Marmo Contracts Audit
Security Audits
· April 23, 2019
Marmo Contracts Audit
Security Audits
· April 23, 2019
Centre Token Minting Contracts Audit
Security Audits
· April 17, 2019
Centre Token Minting Contracts Audit
Security Audits
· April 17, 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
Follow this quality checklist before an audit
Security Insights
· February 5, 2019
Follow this quality checklist before an audit
Security Audits
· February 5, 2019
Testing real-world contract upgrades
Security Insights
· February 4, 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
State of EVM Packages – End of 2018
Security Insights
· December 21, 2018
State of EVM Packages – End of 2018
Security Insights
· December 21, 2018
RNDR Token Transfer Audit
Security Audits
· November 29, 2018
RNDR Token Transfer Audit
Security Audits
· November 29, 2018
Toward a secure code ecosystem
Security Insights
· November 28, 2018
Toward a secure code ecosystem
Security Insights
· November 28, 2018
The transparent proxy pattern
Products
· November 23, 2018
Solidity Compiler Audit
Security Audits
· November 1, 2018
Solidity Compiler Audit
Security Audits
· November 1, 2018
Announcing the ZEP Token Private Beta
Announcements
· November 1, 2018
Getting started with OpenZeppelin-eth
Products
· October 25, 2018
OpenBazaar’s Escrow Audit
Security Audits
· October 25, 2018
OpenBazaar’s Escrow Audit
Security Audits
· October 25, 2018
Announcing OpenZeppelin 2.0
Announcements
· October 22, 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 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
Towards frictionless upgradeability
Products
· August 31, 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
Getting started with ZeppelinOS
Products
· August 3, 2018
Dharma Audit
Security Audits
· July 31, 2018
Ethereum in Depth, Part 2
Security Insights
· July 24, 2018
Exploring upgradeability governance in ZeppelinOS with a Gnosis MultiSig
Products
· July 19, 2018
Verifying identity in Venezuela through the TPL
Products
· June 18, 2018
Introducing the Transaction Permission Layer (TPL) Protocol
Products
· June 1, 2018
Announcing the launch of ZeppelinOS
Announcements
· May 25, 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
US Dollar Audit
Security Audits
· April 1, 2018
TPL — A Framework for Secure Peer-to-Peer Exchange
Products
· March 27, 2018
Augur Core Audit
Security Audits
· March 12, 2018
Gnosis Multisig Wallet Audit
Security Audits
· March 6, 2018
Gnosis Multisig Wallet Audit
Security Audits
· March 6, 2018
EthDenver Zeppelin Prize Winners
Events
· February 23, 2018
Bax Token Audit
Security Audits
· February 5, 2018
Bax Token Audit
Security Audits
· February 5, 2018
Coinfix Token Audit
Security Audits
· January 26, 2018
Smart Contract Upgradeability using Eternal Storage
Security Insights
· January 19, 2018
A Gentle Introduction to Ethereum Programming, Part 3
· January 12, 2018
Tether Token Audit
Security Audits
· January 3, 2018
Tether Token Audit
Security Audits
· January 3, 2018
WAX Token Audit
Security Audits
· December 19, 2017
Qiibee Token Audit
Security Audits
· December 19, 2017
ZeppelinOS Partners With ChainLink, the Market Leader in Trusted Oracles
Announcements
· December 18, 2017
Introducing Initial Launch Partners for ZeppelinOS
Announcements
· December 14, 2017
How We Can Improve the Structure of Founder’s Tokens
Security Insights
· December 12, 2017
How We Can Improve the Structure of Founder’s Tokens
Security Insights
· December 12, 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
Designing the architecture for your Ethereum application
Security Insights
· November 21, 2017
Designing the architecture for your Ethereum application
Security Insights
· November 21, 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
UnikoinGold Token Audit
Security Audits
· November 7, 2017
UnikoinGold Token Audit
Security Audits
· November 7, 2017
The Parity Wallet Hack Reloaded
Security Audits
· November 7, 2017
The Parity Wallet Hack Reloaded
Security Audits
· November 7, 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
BitClave Token Audit
Security Audits
· November 2, 2017
BitClave Token Audit
Security Audits
· November 2, 2017
A Path Toward Better Token Sales
Announcements
· November 1, 2017
Join Zeppelin’s CTF hacking game to celebrate Devcon3
Events
· October 31, 2017
Fiinu Token Audit
Security Audits
· October 30, 2017
Fiinu Token Audit
Security Audits
· October 30, 2017
Everus Token Audit
Security Audits
· October 26, 2017
Everus Token Audit
Security Audits
· October 26, 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
Global Messaging Token Audit
Security Audits
· October 16, 2017
Global Messaging Token Audit
Security Audits
· October 16, 2017
Enigma Token Audit
Security Audits
· October 13, 2017
Enigma Token Audit
Security Audits
· October 13, 2017
Thin Protocols
Security Insights
· October 3, 2017
Thin Protocols
Security Insights
· October 3, 2017
Fuel Token Audit
Security Audits
· September 22, 2017
Fuel Token Audit
Security Audits
· September 22, 2017
Kin Token Audit
Security Audits
· September 11, 2017
Kin Token Audit
Security Audits
· September 11, 2017
Tierion Network Token Audit
Security Audits
· August 25, 2017
Tierion Network Token Audit
Security Audits
· August 25, 2017
Introducing zeppelinOS Whitepaper’s First Draft
Announcements
· August 24, 2017
Hubii Token Audit
Security Audits
· August 11, 2017
Hubii Token Audit
Security Audits
· August 11, 2017
Technical Details of ZeppelinOS
Products
· August 2, 2017
Serpent Compiler Audit
Security Audits
· July 28, 2017
Augur REP Token Critical Vulnerability Disclosure
Security Audits
· July 28, 2017
Augur REP Token Critical Vulnerability Disclosure
Security Audits
· July 28, 2017
Serpent Compiler Audit
Security Audits
· July 28, 2017
Introducing zeppelinOS: the operating system for smart contract applications
Announcements
· July 27, 2017
Decentraland MANA Token Audit
Security Audits
· July 22, 2017
Decentraland MANA Token Audit
Security Audits
· July 22, 2017
The Parity Wallet Hack Explained
Security Insights
· July 19, 2017
Setting Up a Bug Bounty Smart Contract with OpenZeppelin
Products
· July 12, 2017
Introducing Zeppelin Solutions
Announcements
· July 4, 2017
Metal Token Audit
Security Audits
· June 30, 2017
Storj Token Audit
Security Audits
· June 23, 2017
Storj Token Audit
Security Audits
· June 23, 2017
The 4 Stages of a Token Sale
Security Insights
· June 7, 2017
The 4 Stages of a Token Sale
Security Insights
· June 7, 2017
Handling Crowdsale Funds Securely
Security Insights
· June 2, 2017
Handling Crowdsale Funds Securely
Security Insights
· June 2, 2017
Handling Crowdsale Funds Securely
Security Insights
· June 2, 2017
Basic Attention Token (BAT) Audit
Security Audits
· May 22, 2017
How To Create Token and Initial Coin Offering Contracts Using Truffle + Zeppelin Solidity
Announcements
· May 18, 2017
Moeda Token Audit
Security Audits
· May 16, 2017
Moeda Token Audit
Security Audits
· May 16, 2017
External audit of OpenZeppelin
Security Audits
· May 11, 2017
WingsDAO Token Audit
Security Audits
· May 10, 2017
Blockchain Capital Token Audit
Security Audits
· April 27, 2017
COSMOS Fundraiser Audit
Security Audits
· April 12, 2017
COSMOS Fundraiser Audit
Security Audits
· April 12, 2017
COSMOS Fundraiser Audit
Security Audits
· April 12, 2017
iEx.ec RLC Token Audit
Security Audits
· April 11, 2017
iEx.ec RLC Token Audit
Security Audits
· April 11, 2017
Matchpool GUP Token Audit
Security Audits
· March 31, 2017
Matchpool GUP Token Audit
Security Audits
· March 31, 2017
OpenZeppelin now supports ethpm
Announcements
· March 9, 2017
Proxy Libraries in Solidity
Products
· March 6, 2017
WeTrust ROSCA contract code audit
Security Audits
· February 28, 2017
SuperDAO Promissory Token audit
Security Audits
· February 7, 2017
HackerGold Bug Analysis
Security Insights
· January 9, 2017
HackerGold Bug Analysis
Security Audits
· January 9, 2017
EtherCamp’s decentralized startup team public code audit
Security Audits
· December 18, 2016
EtherCamp’s decentralized startup team public code audit
Security Audits
· December 18, 2016
OpenZeppelin v1.0.0
Announcements
· November 25, 2016
EtherCamp’s ProjectKudos public code audit
Security Audits
· November 15, 2016
EtherCamp’s ProjectKudos public code audit
Security Audits
· November 15, 2016
Golem Network Token (GNT) Audit
Security Audits
· November 8, 2016
Golem Network Token (GNT) Audit
Security Audits
· November 8, 2016
Arcade City (ARC) token audit
Security Audits
· October 29, 2016
Arcade City (ARC) token audit
Security Audits
· October 29, 2016
On Tokens and Crowdsales: 4 Challenges and How to Tackle Them
Security Insights
· October 28, 2016
EtherCamp’s Hacker Gold (HKG) public code audit
Security Audits
· October 17, 2016
EtherCamp’s Hacker Gold (HKG) public code audit
Security Audits
· October 17, 2016
Open Zeppelin and Ethereum
Security Insights
· October 11, 2016
Open Zeppelin and Ethereum
Security Insights
· October 11, 2016
15 lines of code that could have prevented TheDAO Hack
Security Insights
· October 5, 2016
15 lines of code that could have prevented TheDAO Hack
Security Audits
· October 5, 2016
The Ugly Truth About Blockchain Applications
Security Insights
· September 29, 2016
The Ugly Truth About Blockchain Applications
Security Insights
· September 29, 2016
OpenZeppelin: a New Standard for Secure Blockchain Applications
Announcements
· September 15, 2016
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
Smart Contracts You Already Signed
Security Insights
· July 22, 2016
Smart Contracts You Already Signed
Security Insights
· July 22, 2016
v2 Strengthening DeFi: OpenZeppelin and Compound's Security Partnership in 2024 (Clone)
Security Insights
· January 1, 1970
Scroll Layer 1 Audit
Security Audits
· January 1, 1970
The Graph Dispute Manager Incremental Audit
Security Audits
· January 1, 1970
SVM Spoke Bugfix Review
Security Audits
· January 1, 1970
The Graph Dispute Manager Incremental Audit
Security Audits
· January 1, 1970
UERC20 Factory Separation Diff Audit
Security Audits
· January 1, 1970
Uniswap Calibur Audit
Security Audits
· January 1, 1970
Uniswap ERC20ETH Audit
Security Audits
· January 1, 1970