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 ...

Creating dense Subgraphs is one of the most important aspects of indexing on-chain information. In...

Products

PoolTogether is a lossless lottery built with smart contracts using Defender to automate the award...

Products

We are thrilled to announce that OpenZeppelin Contracts will be integrating The Graph’s subgraphs,...

Announcements Security Insights

Our latest speaker series, Secure Development is aimed to help improve security practices for the...

Security Insights Products

The Fei Protocol team asked us to review and audit updates to their protocol smart contracts. This...

Security Audits Solidity Governance

Chainlink’s Keeper Network is a secure way to outsource contract operations to a decentralized...

Products

This release introduces our latest work on governance contracts, gas cost reductions, new helper...

Products

Upgradeable contracts allow us to alter a smart contract to fix a bug, add additional features, or...

Products

We are excited to announce integrated support for the Chainlink Keepers Open Beta directly within...

Products

Upgradeable contracts allow us to alter a smart contract to fix a bug, add additional features, or...

Products

Moonbeam, the Ethereum-compatible smart contract platform on Polkadot, announced an integration...

Announcements

As another phase of auditing, the cLabs team has asked us to review and audit the recent changes to...

Security Audits