Introducing OpenZeppelin Contracts v5.1

Solo Margin Protocol Audit

The dYdX team asked us to review and audit their Solo project. We looked at the code and our...

Security Audits

Marmo Contracts Audit

The RCN team asked us to review and audit their Marmo contracts. We looked at the code and here are...

Security Audits

Centre Token Minting Contracts Audit

The Circle and Coinbase teams asked us to review and audit the minting contracts of the Centre...

Security Audits

Follow this quality checklist before an audit

At OpenZeppelin we help protect the core infrastructure of open and decentralized applications. I’m...

Security Insights

RNDR Token Transfer Audit

The OTOY team asked us to review and audit their RNDR Token contracts. We looked at the code and...

Security Audits Solidity Token

Solidity Compiler Audit

The Augur team and the Ethereum Foundation (through a joint grant) asked us to review and audit the...

Security Audits

OpenBazaar’s Escrow Audit

The OpenBazaar team asked us to review and audit their Escrow contract, one of several in their...

Security Audits

Getting started with ZeppelinOS

Blockchains are immutable, and Ethereum is no exception. Ethereum has a rich smart contracts...

Products

Dharma Audit

The Dharma team asked us to review and audit the smart contracts implementing their protocol. We...

Security Audits

US Dollar Audit

We reviewed and audited the US dollar contracts, from the US Federal Reserve team, for our own...

Security Audits

ERC20 Element Token Audit

The Element Group team asked us to review and audit their ERC20 Element Token contract. We looked...

Security Audits

Augur Core Audit

The Augur team asked us to review and audit their Augur Core project. We looked at the code and now...

Security Audits