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Featured Post

OpenZeppelin Relayers and Monitor are now Open Source

Introducing the alpha release of Open Source Relayers & Monitor for EVM networks, Solana, and Stellar. Get your hands on fully customizable, self-hosted dev tooling for secure onchain automation.

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OpenZeppelin Relayers and Monitor are now Open Source
All Announcements Security Audits Security Insights Products Events Case Study

Automate Smart Contract Workflows

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

Products

Building an NFT Merkle Airdrop

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

Products

OpenZeppelin Contracts 4.1

This new release introduces UUPS proxies as a cheaper alternative to Transparent proxies....

Products

Workshop Recap: Managing Smart Contract Upgrades

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

Products

Workshop Recap: Setting Up Access Control for Smart Contracts

Access control—that is, “who is allowed to do this thing”—is incredibly important in the world of...

Products

Introducing Contracts Wizard

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

Announcements Products

OpenZeppelin Contracts 4.0

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

Products

Service Monitoring and Emergency Response with Defender

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

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Introducing Defender Sentinels

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

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OpenZeppelin Defender – March 2021 Update

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

Products

Workshop Recap: Cheap contract deployment through Clones

Clones (minimal proxies) as described in ERC1167, are very small, and cheap to deploy,...

Products

Workshop Recap: Gasless MetaTransactions with OpenZeppelin Defender

Gasless MetaTransactions with OpenZeppelin Defender. The workshop covers the following: Intro to...

Products
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