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.

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

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 productive.

Announcing the launch of ZeppelinOS

Today we’re excited to announce the first mainnet release of ZeppelinOS, a platform for developing, managing, and operating smart contract applications in Ethereum. You can start using it right now at