Introducing OpenZeppelin Contracts v5.1

Deconstructing a Solidity Smart Contract - Part 1: Introduction

You’re on the road, driving fast in your rare, fully restored 1969 Mustang Mach 1. The sunlight...

Security Insights

Ethereum in Depth, Part 2

Welcome to the second part of this guide. If you haven’t read part 1, I highly recommend it to...

Security Insights

Ethereum in Depth, Part 1

Welcome to the first part of a two-posts series aimed at software developers looking to understand...

Security Insights

Proxy Patterns

One of the biggest advantages of Ethereum is that every transaction of moving funds, every contract...

Products

Upgradeability using Unstructured Storage

During the last months we've been designing and developing a prototype of the zeppelin_os Kernel....

Products

On crowdsales and multiple inheritance

On 2017 we saw a mind-blowing number of crowdsales and ICOs running in the Ethereum blockchain....

Security Insights

Smart Contract Upgradeability using Eternal Storage

As mentioned in our Development Roadmap Part Two, the Kernel is the foundational layer of...

Security Insights Products

A Gentle Introduction to Ethereum Programming, Part 3

This is the third part of our Ethereum introduction guide. If you haven’t read parts 1 and 2, I...

ZeppelinOS Partners With ChainLink, the Market Leader in Trusted Oracles

The process of building and managing smart contracts is often complex, time-consuming, and prone to...

Announcements

Introducing Initial Launch Partners for ZeppelinOS

The rate of innovation in building decentralized applications is limited by the manual and...

Announcements

ZeppelinOS Development Roadmap Part Two: Kernel & Contract Development Tools

As mentioned in our Development Roadmap Part One, the smart contract industry is in urgent need of...

Announcements Products

Announcing ZeppelinOS Labs: A Space for Community Involvement

The foundational layer of ZeppelinOS is the Kernel: an on-chain set of libraries offering common...

Announcements Products