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Opyn Contracts Audit

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

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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…

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PoolTogether Audit

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

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PROPS Rewards Engine Contracts Audit

The YouNow team asked us to review and audit their Rewards Engine contracts that distribute their PROPS token. We looked at the code and now publish our results.

PROPS Token Contracts Audit

The YouNow team asked us to review and audit their PROPS Token contracts. We looked at the code and now publish our results.

Compound Finance Audit Summary

Compound Finance is a protocol, currently deployed on the Ethereum network, for automatic, permissionless, and trust-minimized loans of Ether and various ERC20 tokens.

Compound Audit

The Compound team asked us to review and audit their platform's smart contracts. We examined their code and our results are published here.

Build your app with the Gas Station Network

The Gas Station Network, or GSN for short, is a decentralized solution for solving user onboarding to Ethereum applications. It allows you as an app developer to pay for your users' transactions...

Bypassing Smart Contract Timelocks

In this article, we look at a game theoretical attack against smart contract timelock systems that allows the beneficiary (i.e., the early ICO investor or the company founder)...

GSN: The Ultimate Ethereum Onboarding Solution

Gas Station Network is an open-source service that allows developers to create unique decentralized applications that are indistinguishable from

Exploiting Uniswap: from reentrancy to actual profit

Uniswap is a public, open-source protocol to exchange tokens in Ethereum. In Uniswap, there is a separate exchange contract for each token. While it was designed to seamlessly work with ERC20…

Say Hi to OpenZeppelin, the Company

Today we are announcing our new company name and brand structure: OpenZeppelin. This change allows us to look deeply at our brand and at how it can better reflect who we are and where we’re headed as…

Launching the Zeppelin community forum

The Zeppelin community connects experts, beginners, and enthusiasts of smart contract and decentralized app development from all over the world.

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PROPS Rewards Engine Contracts Audit

The YouNow team asked us to review and audit their Rewards Engine contracts that distribute their PROPS token. We looked at the code and now publish our results.

PROPS Token Contracts Audit

The YouNow team asked us to review and audit their PROPS Token contracts. We looked at the code and now publish our results.

Compound Finance Audit Summary

Compound Finance is a protocol, currently deployed on the Ethereum network, for automatic, permissionless, and trust-minimized loans of Ether and various ERC20 tokens.

Compound Audit

The Compound team asked us to review and audit their platform's smart contracts. We examined their code and our results are published here.

Build your app with the Gas Station Network

The Gas Station Network, or GSN for short, is a decentralized solution for solving user onboarding to Ethereum applications. It allows you as an app developer to pay for your users' transactions...

Bypassing Smart Contract Timelocks

In this article, we look at a game theoretical attack against smart contract timelock systems that allows the beneficiary (i.e., the early ICO investor or the company founder)...

GSN: The Ultimate Ethereum Onboarding Solution

Gas Station Network is an open-source service that allows developers to create unique decentralized applications that are indistinguishable from

Exploiting Uniswap: from reentrancy to actual profit

Uniswap is a public, open-source protocol to exchange tokens in Ethereum. In Uniswap, there is a separate exchange contract for each token. While it was designed to seamlessly work with ERC20…

Say Hi to OpenZeppelin, the Company

Today we are announcing our new company name and brand structure: OpenZeppelin. This change allows us to look deeply at our brand and at how it can better reflect who we are and where we’re headed as…

Launching the Zeppelin community forum

The Zeppelin community connects experts, beginners, and enthusiasts of smart contract and decentralized app development from all over the world.