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...

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

Deploying to production can be a stressful experience, especially if you don’t have a proper suite of tests to ensure that what you built will run smoothly.

 Two months ago, we presented the EVM package standard as a means to securely share on-chain upgradeable smart contract code. Since then, we have had a great response from the community...

This week started off with the finding of malicious code injected into a dependency of a popular open source npm package. The attacker found an inactive library, volunteered to help with the project, and published a compromised version.

Much has been discussed around proxy patterns and how to best achieve upgradeability in Ethereum smart contracts. The underlying idea is quite simple: instead of interacting with your smart contract directly...

With the first release of ZeppelinOS two months ago, the key issue we wanted to tackle was upgradeability: that is, the ability to modify the logic of a smart contract already deployed to the...

As you are beginning with Ethereum development, and after going through some of the many excellent tutorial posts out there, you are faced with the challenge of building your first Ethereum-based app.