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Compound Finance – Timelock Audit

The Compound team asked us to audit a patch of their smart contract code. We examined the code and now present our…

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Microsoft integrates OpenZeppelin Contracts into Microsoft Azure

We are excited to collaborate with Microsoft and announce the launch of the OpenZeppelin Audited Smart Contract library…

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InstaDApp Audit Summary

The InstaDApp team asked us to audit their proxy wallet and wallet registry contracts. Here is a summary of our…

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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.

Getting the most out of CREATE2

In this post, we’ll go in depth into the CREATE2 opcode and its uses in counterfactual...

Announcing the Wyre + Zeppelin TPL integration

Wyre and Zeppelin share an ambition to lower barriers to entry for blockchain entrepreneurs, so we’ve spun up an integration of the Transaction Permission Layer (“TPL”) and YES Token which does just…

Sign it like you mean it: creating and verifying Ethereum signatures

Recently, Zeppelin announced that it had joined the Gas Station Network Alliance, a new group focused on the standardization of Meta-transactions for the Ethereum network.

Solidity Hot Reloading Using ZepKit

​​​​ZepKit provides a great start for DApp development on Ethereum. Today, we are happy to announce the release of Solidity Hot Reloading to help make your process even more comfortable and more…

More stories

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.

Getting the most out of CREATE2

In this post, we’ll go in depth into the CREATE2 opcode and its uses in counterfactual...

Announcing the Wyre + Zeppelin TPL integration

Wyre and Zeppelin share an ambition to lower barriers to entry for blockchain entrepreneurs, so we’ve spun up an integration of the Transaction Permission Layer (“TPL”) and YES Token which does just…

Sign it like you mean it: creating and verifying Ethereum signatures

Recently, Zeppelin announced that it had joined the Gas Station Network Alliance, a new group focused on the standardization of Meta-transactions for the Ethereum network.

Solidity Hot Reloading Using ZepKit

​​​​ZepKit provides a great start for DApp development on Ethereum. Today, we are happy to announce the release of Solidity Hot Reloading to help make your process even more comfortable and more…