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Uma Audit – Phase 2

In this audit we reviewed a particular financial contract template that can be used within the system.

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Celo Contracts Audit

The cLabs team working on the Celo platform asked us to review and audit the smart contracts for the protocol. We…

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DeFi Reflections on Hackers and Viruses

In the wake of the current pandemic and other recent events affecting DeFi, we at OpenZeppelin have taken the chance to…

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Backdooring Gnosis Safe Multisig wallets

Disclosure of a severe attack vector in the deployment of the popular Gnosis Safe Multisig wallet. Proof of concept included.

Compound Gas Optimizations Audit

The Compound team engaged us to audit part of their latest gas optimizations in the protocol.

Flash Loans and the Advent of Episodic Finance

Flash Loans have been making the rounds. Even if the concept has been around for a year or two, it's only very recently that they have been getting a lot of attention with the surge of DeFi, and…

Augur Core v2 Audit: Components

The Augur team asked us to review and audit a number of components of the Augur Core v2 project. We looked at the code and now publish our results.

Augur Core v2 Audit

The Augur team asked us to review and audit their Augur Core v2 project. We looked at the code and now publish our results.

Compound Alpha Governance System Audit

In this audit, we looked into Compound's alpha version of their governance system and its associated COMP token.

Compound Open Oracle Audit

Compound's Open Oracle System is a protocol aiming to provide an on-chain price oracle based on trusted reporting sources. The oracle allows reporters to post prices of assets...

Opyn Contracts Audit

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

Compound Finance – MCD & DSR Integration

The Compound team asked us to audit their integration of Multi-Collateral Dai and the Dai Savings System. Here we present our findings.

PoolTogether Audit

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

More stories

Backdooring Gnosis Safe Multisig wallets

Disclosure of a severe attack vector in the deployment of the popular Gnosis Safe Multisig wallet. Proof of concept included.

Compound Gas Optimizations Audit

The Compound team engaged us to audit part of their latest gas optimizations in the protocol.

Flash Loans and the Advent of Episodic Finance

Flash Loans have been making the rounds. Even if the concept has been around for a year or two, it's only very recently that they have been getting a lot of attention with the surge of DeFi, and…

Augur Core v2 Audit: Components

The Augur team asked us to review and audit a number of components of the Augur Core v2 project. We looked at the code and now publish our results.

Augur Core v2 Audit

The Augur team asked us to review and audit their Augur Core v2 project. We looked at the code and now publish our results.

Compound Alpha Governance System Audit

In this audit, we looked into Compound's alpha version of their governance system and its associated COMP token.

Compound Open Oracle Audit

Compound's Open Oracle System is a protocol aiming to provide an on-chain price oracle based on trusted reporting sources. The oracle allows reporters to post prices of assets...

Opyn Contracts Audit

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

Compound Finance – MCD & DSR Integration

The Compound team asked us to audit their integration of Multi-Collateral Dai and the Dai Savings System. Here we present our findings.

PoolTogether Audit

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