Past Events

How PoolTogether Automates Operations Using OpenZeppelin Defender

PoolTogether is a lossless lottery built with smart contracts using Defender to automate the award cycle process and…

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Managing Maintenance Tasks on Chainlink Keepers Using OpenZeppelin Defender

Chainlink’s Keeper Network is a secure way to outsource contract operations to a decentralized network of professional…

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Deploying More Efficient Upgradeable Contracts

Upgradeable contracts allow us to alter a smart contract to fix a bug, add additional features, or simply to change the…

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LATEST NEWS

Introducing the Smart Contract Security Registry

We are proud to announce the open source Smart Contract Security Registry. Effective security not only requires continuous effort, but also timely access to critical information.

OpenZeppelin Contracts 4.3

This new release includes a modular system of contracts for on-chain governance, based on GovernorAlpha and GovernorBravo, covered more in depth in our Governor announcement.

Introducing OpenZeppelin Governor

Next Generation Smart Contract Governance: We are pleased to announce OpenZeppelin Governor, a critical governance offering released in Contracts 4.3

Introducing OpenZeppelin Subgraphs

We are thrilled to announce that OpenZeppelin Contracts will be integrating The Graph’s subgraphs, combining two of the most important building blocks of the open economy.

Introducing the OpenZeppelin Secure Development Series

Our latest speaker series, Secure Development is aimed to help improve security practices for the next generation of Solidity developers.

OpenZeppelin Contracts 4.2

This release introduces our latest work on governance contracts, gas cost reductions, new helper functions, and the ERC20Wrapper extension. In the future, we plan to release major governance features…

Developers Can Now Register and Manage Chainlink Keeper Jobs with OpenZeppelin Defender

We are excited to announce integrated support for the Chainlink Keepers Open Beta directly within the OpenZeppelin Defender platform—the leading security operations suite for Ethereum and EVM-based…

Moonbeam Integrates with OpenZeppelin to Provide Best-in-Class Security Tools to Developers

Moonbeam, the Ethereum-compatible smart contract platform on Polkadot, announced an integration with OpenZeppelin, an open-source framework to build secure smart contracts. This integration…

FEI Post Mortem

On Sunday May 2nd, 2021, the Fei Labs team identified an economic vulnerability that affected the Fei Protocol, which would have allowed an attacker to drain funds from the ETH-FEI Uniswap pool. The…

OpenZeppelin Contracts 4.1

This new release introduces UUPS proxies as a cheaper alternative to Transparent proxies. Additionally, a new ERC20 extension allows easy creation of tokens with built-in flash minting, and a new…

LATEST NEWS

Introducing the Smart Contract Security Registry

We are proud to announce the open source Smart Contract Security Registry. Effective security not only requires continuous effort, but also timely access to critical information.

OpenZeppelin Contracts 4.3

This new release includes a modular system of contracts for on-chain governance, based on GovernorAlpha and GovernorBravo, covered more in depth in our Governor announcement.

Introducing OpenZeppelin Governor

Next Generation Smart Contract Governance: We are pleased to announce OpenZeppelin Governor, a critical governance offering released in Contracts 4.3

Introducing OpenZeppelin Subgraphs

We are thrilled to announce that OpenZeppelin Contracts will be integrating The Graph’s subgraphs, combining two of the most important building blocks of the open economy.

Introducing the OpenZeppelin Secure Development Series

Our latest speaker series, Secure Development is aimed to help improve security practices for the next generation of Solidity developers.

OpenZeppelin Contracts 4.2

This release introduces our latest work on governance contracts, gas cost reductions, new helper functions, and the ERC20Wrapper extension. In the future, we plan to release major governance features…

Developers Can Now Register and Manage Chainlink Keeper Jobs with OpenZeppelin Defender

We are excited to announce integrated support for the Chainlink Keepers Open Beta directly within the OpenZeppelin Defender platform—the leading security operations suite for Ethereum and EVM-based…

Moonbeam Integrates with OpenZeppelin to Provide Best-in-Class Security Tools to Developers

Moonbeam, the Ethereum-compatible smart contract platform on Polkadot, announced an integration with OpenZeppelin, an open-source framework to build secure smart contracts. This integration…

FEI Post Mortem

On Sunday May 2nd, 2021, the Fei Labs team identified an economic vulnerability that affected the Fei Protocol, which would have allowed an attacker to drain funds from the ETH-FEI Uniswap pool. The…

OpenZeppelin Contracts 4.1

This new release introduces UUPS proxies as a cheaper alternative to Transparent proxies. Additionally, a new ERC20 extension allows easy creation of tokens with built-in flash minting, and a new…

Our most recent security audit reports

Check out all of our audits >