Doubling Down on Open Source Tools and Phasing Out Defender

OpenZeppelin is doubling down on open source development tools by sunsetting Defender and releasing production-ready open source Relayers and Monitor. Discover new features, and our expanded open ...

All Security Audits Security Insights

Nikesh Nazareth is a Blockchain Security Researcher at OpenZeppelin. As a part of the leading...

Security Insights

Cryptography plays a crucial role in securing blockchain networks, ensuring the confidentiality,...

Security Insights

Download PDF Every day, hundreds of Web3 project founders and builders hold their breath, hoping...

Security Insights

Welcome to The Notorious Bug Digests! This is a quarterly recollection of the most relevant bugs...

Security Insights

Holdefi is a lending platform where users can hold their assets and earn interest or borrow tokens...

Security Audits

Best practice for securing admin accounts is to use a multisig (short for multi-signature wallet)....

Security Insights

In the wake of the current pandemic and other recent events affecting DeFi, we at OpenZeppelin have...

Security Insights

One of the topics we focused on at OpenZeppelin this year was feedback. We feel that giving and...

Security Insights

Micah Zoltu asked us to review and audit the recoverable wallet smart contract code. We looked at...

Security Audits