Introducing OpenZeppelin Contracts v5.1

Kin Token Audit

The Kik team asked us to review and audit their Kin Token (KIN) contract. We looked at the code and...

Security Audits

Tierion Network Token Audit

The Tierion team asked us to review and audit their Tierion Network Token (TNT) contract. We looked...

Security Audits

Introducing zeppelinOS Whitepaper’s First Draft

Last month we announced zeppelinOS, the operating system for smart contract applications, and...

Announcements Products

Hubii Token Audit

The Hubii team asked us to review and audit their crowdsale and “Hubiits” (HUB) token contracts. We...

Security Audits

Technical Details of ZeppelinOS

ZeppelinOS aims to solve this problem. Based on our experience working to secure dozens of projects...

Products

Serpent Compiler Audit

The Augur team asked us to review and audit the Serpent compiler. We looked at the code and now...

Security Audits

Augur REP Token Critical Vulnerability Disclosure

Two weeks ago, we finished our audit of the Serpent compiler and sent it privately to the Augur...

Security Audits

Introducing zeppelinOS: the operating system for smart contract applications

In the early days of computing, writing code into machines was a difficult and inefficient...

Announcements Products

Tierion Presale Audit

The Tierion team asked us to review and audit their Tierion Presale code. We looked at the contract...

Security Audits

Decentraland MANA Token Audit

The Decentraland team asked us to review and audit their new MANA Token contract code. We looked at...

Security Audits

The Parity Wallet Hack Explained

Today, we witnessed the second largest hack, in terms of ETH stolen, in the history of the Ethereum...

Security Insights

Setting Up a Bug Bounty Smart Contract with OpenZeppelin

The effect of having a market cap north of $10 Billion USD is that a growing number of blockchain...

Products