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MCDEX Mai Fund Protocol Audit

Monte Carlo Decentralized Exchange is a decentralized derivatives exchange. The Mai Fund Protocol is a trading tool…

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The State of Smart Contract Upgrades

The State of Smart Contract Upgrades - 2020 edition A survey of the different Ethereum smart contract upgrade patterns…

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Endaoment Audit

The Endaoment team asked us to review and audit their smart contracts. We looked at the code and now publish our…

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Compound COMP Distribution System Audit

The Compound team engaged us to audit their new COMP distribution system, which will be added to the Comptroller.

Uma Audit – Phase 2

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

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 review the current state of security and risk management in the blockchain…

Uma Audit – Phase 1

Uma is a platform that allows users to enter trust-minimized financial contracts on the Ethereum blockchain. One component of the system is a decentralized oracle, which was the subject of this…

Compound: Tether Integration Audit

The Compound team engaged us to finish auditing their integration of Tether's USDT token into the PriceOracleProxy contract.

PoolTogether – Pods Audit

Pods is a new feature that will allow users to pool their lottery tickets and share the rewards.

dYdX Perpetual Audit

Perpetual is a new perpetual contract market by dYdX that enables users to use native Ethereum-based tokens as collateral to trade derivatives with non-Ethereum underlying assets.

What is DeFi? An Introduction to Decentralized Finance

What is DeFi? An Introduction to Decentralized Finance

Learn about lending, collateral, loan to collateral ratio, protocol tokens, price oracles, liquidation, risks and more!

OpenZeppelin

Welcome Jonathan Alexander, OpenZeppelin’s new CTO

We are excited to announce that Jonathan Alexander is joining OpenZeppelin as CTO. OpenZeppelin is a technology company whose mission is to protect the core infrastructure of an open, global economy.…

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.

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Compound COMP Distribution System Audit

The Compound team engaged us to audit their new COMP distribution system, which will be added to the Comptroller.

Uma Audit – Phase 2

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

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 review the current state of security and risk management in the blockchain…

Uma Audit – Phase 1

Uma is a platform that allows users to enter trust-minimized financial contracts on the Ethereum blockchain. One component of the system is a decentralized oracle, which was the subject of this…

Compound: Tether Integration Audit

The Compound team engaged us to finish auditing their integration of Tether's USDT token into the PriceOracleProxy contract.

PoolTogether – Pods Audit

Pods is a new feature that will allow users to pool their lottery tickets and share the rewards.

dYdX Perpetual Audit

Perpetual is a new perpetual contract market by dYdX that enables users to use native Ethereum-based tokens as collateral to trade derivatives with non-Ethereum underlying assets.

What is DeFi? An Introduction to Decentralized Finance

What is DeFi? An Introduction to Decentralized Finance

Learn about lending, collateral, loan to collateral ratio, protocol tokens, price oracles, liquidation, risks and more!

OpenZeppelin

Welcome Jonathan Alexander, OpenZeppelin’s new CTO

We are excited to announce that Jonathan Alexander is joining OpenZeppelin as CTO. OpenZeppelin is a technology company whose mission is to protect the core infrastructure of an open, global economy.…

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.