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 ...

The Graph team found an edge case condition in which the amount of accumulated rewards retrieved...

Security Audits

Contracts Wizard is an interface to interactively build a contract out of components from...

Announcements Products

After auditing the first version of the protocol, the Empty Set Squad team asked us to audit their...

Security Audits Solidity Stablecoin

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

Security Audits Solidity

Due to the new built-in overflow checks in Solidity 0.8, which mark the end of the `SafeMath` era,...

Products

After a seventh phase of auditing, the cLabs team asked us to review and audit the recent changes...

Security Audits

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

Security Insights

Break down of the bytecode and assembly code used by GST2 (Gas Token 2) in order to understand how...

Security Insights

The DeFi space, and recently the NFT space, have continued to see a variety of exploits and even...

Products

Gas tokens should be minted at a low gas price, and then burnt at a high gas price, thereby saving...

Security Insights

Today we are announcing the release of a new app, called Sentinels, to help prevent ongoing attacks...

Products

We are excited to bring you many new Defender features this month that add powerful functionality...

Products