Introducing OpenZeppelin Contracts v5.1

Thin Protocols

In 2016 Joel Monegro wrote a blogpost titled “Fat Protocols”. In his blogpost he argues that while...

Security Insights

The Parity Wallet Hack Explained

Today, we witnessed the second largest hack, in terms of ETH stolen, in the history of the Ethereum...

Security Insights

The 4 Stages of a Token Sale

Token sales have emerged as a fundraising alternative to traditional venture capital. To this day,...

Security Insights

Handling Crowdsale Funds Securely

When developing a crowdsale smart contract, there are several options for handling the collection...

Security Insights

HackerGold Bug Analysis

On Jan 4th, Zack Coburn submitted a vulnerability report on EtherCamp’s implementation of the...

Security Insights

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

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

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