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Featured Post

Introducing the OpenZeppelin Contracts MCP: AI‑Powered Smart Contract Development

With the new OpenZeppelin Contracts MCP developers can seamlessly prompt their preferred AI assistants to generate secure smart contracts that enforce OpenZeppelin standards and best practices at ...

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Introducing the OpenZeppelin Contracts MCP: AI‑Powered Smart Contract Development
All Announcements Security Audits Security Insights Products Events Case Study

Opyn Contracts Audit

The Opyn team asked us to review and audit the system. We looked at the code and now publish our...

Security Audits

Compound Finance

The Compound team asked us to audit their integration of Multi-Collateral Dai and the Dai Savings...

Security Audits Solidity Lending

PoolTogether Audit

The PoolTogether team asked us to review and audit the system. We looked at the code and now...

Security Audits

Aave Protocol Audit

The Aave team asked us to review and audit a pre-production version of their protocol. We looked at...

Security Audits Solidity Lending Aave

Eco Contracts Audit

The Eco team asked us to review and audit the contracts for their open payment network. We looked...

Security Audits Solidity Payments

ArroToken Audit

The Arro team asked us to audit their ERC20 ArroToken project. We look at the code and now we...

Security Audits

A Year of Research at OpenZeppelin

It's been a busy 2019 for our dearest Research team. These are the main highlights of the year!.

Security Insights

Deep dive into the Minimal Proxy contract

In this deep dive into low-level EVM code, you will learn how to code a Minimal Proxy (EIP 1167)...

Products

Review Summary of Bounties Network

We take a look at Bounties Network implementation of MetaTransactions and find two medium severity...

Security Insights

Reentrancy After Istanbul

How to protect your contracts against reentrancy after Ethereum’s Istanbul hard fork.

Security Insights Products

Compound Finance – Timelock Audit

The Compound team asked us to audit a patch of their smart contract code. We examined the code and...

Security Audits Solidity Lending

Microsoft integrates OpenZeppelin Contracts into Microsoft Azure

We are excited to collaborate with Microsoft and announce the launch of the OpenZeppelin Audited...

Announcements
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