Celo Contracts Audit – Release 5

In another round of auditing, the cLabs team asked OpenZeppelin to review and audit recent changes to the core contracts of the Celo protocol.

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

Smart Contract Security Guidelines #2: Strategies for Secure Access Controls

Learn about strategies to consider when designing access controls in your system

Smart Contract Security Guidelines #1: The Dangers of Token Integration

The more DeFi layers we integrate and compose, the more careful we need to be. As the stack grows, so does systemic risk.

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 that will further enhance this update. Read on to learn more!

Celo Contracts Audit – Release 4

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

Alpha Finance Homora V2 Audit

The Alpha Finance Lab team asked us to review and audit their Homora V2 smart contracts. We looked at the code and now publish our results.

Introducing Contracts Wizard: An Interactive Contract Generator

Contracts Wizard is an interface to interactively build a contract out of components from OpenZeppelin Contracts. Select the kind of contract that you want (current support for ERC20 and ERC721), set your parameters and desired features (token name, symbol, premint amount, access control, etc.), and Wizard will generate all of the code necessary.

Celo Contracts Audit – Release 5

In another round of auditing, the cLabs team asked OpenZeppelin to review and audit recent changes to the core contracts of the Celo protocol.

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

Smart Contract Security Guidelines #2: Strategies for Secure Access Controls

Learn about strategies to consider when designing access controls in your system

Smart Contract Security Guidelines #1: The Dangers of Token Integration

The more DeFi layers we integrate and compose, the more careful we need to be. As the stack grows, so does systemic risk.

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 that will further enhance this update. Read on to learn more!

Celo Contracts Audit – Release 4

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

Alpha Finance Homora V2 Audit

The Alpha Finance Lab team asked us to review and audit their Homora V2 smart contracts. We looked at the code and now publish our results.

Introducing Contracts Wizard: An Interactive Contract Generator

Contracts Wizard is an interface to interactively build a contract out of components from OpenZeppelin Contracts. Select the kind of contract that you want (current support for ERC20 and ERC721), set your parameters and desired features (token name, symbol, premint amount, access control, etc.), and Wizard will generate all of the code necessary.