Introducing OpenZeppelin Contracts v5.1

Arcade City (ARC) token audit

We’ve been asked by the Arcade City team to review and audit their new token code. We conducted the...

Security Audits

On Tokens and Crowdsales: 4 Challenges and How to Tackle Them

There are now 50+ projects that have raised a combined $250m+ issuing and selling their own tokens...

Security Insights

EtherCamp’s Hacker Gold (HKG) public code audit

We’ve been asked by our friends at ether.camp to review the code for their soon-to-launch Hacker...

Security Audits

Open Zeppelin and Ethereum

It all started in 2009 with Bitcoin and its underlying blockchain technology. For the first time in...

Security Insights

15 lines of code that could have prevented TheDAO Hack

As you probably know, TheDAO hack was a tragic event for the Ethereum community. $50M USD were lost...

Security Insights

The Ugly Truth About Blockchain Applications

Before starting Smart Contract Solutions, we spent the previous 4 years working with blockchain...

Security Insights

OpenZeppelin: a New Standard for Secure Blockchain Applications

Blockchain technology holds the great promise of enabling decentralized protocols, applications and...

Announcements Products

OpenZeppelin Framework Proposal and Development Roadmap

OpenZeppelin is a new smart contract development framework for the Ethereum Virtual Machine (EVM)...

Announcements Products

Onward with Ethereum Smart Contract Security

Learning Ethereum Smart Contract security is a very hard endeavor. There are few good guides and...

Products

On Tokens and Crowdsales

Companies we’ve never heard of are IPO’ing before our very eyes. Instead of ringing the IPO bell...

Security Insights

The Hitchhiker’s Guide to Smart Contracts in Ethereum

a short guide to ease the way of future programmers learning Ethereum smart contract development.

Security Insights

Smart Contracts You Already Signed

Uber, Tinder, Spotify, Pinterest: every time you login to any of these apps using your Facebook...

Security Insights