Doubling Down on Open Source Tools and Phasing Out Defender

OpenZeppelin is doubling down on open source development tools by sunsetting Defender and releasing production-ready open source Relayer and Monitor. Discover new features, and our expanded open ...

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

Security Insights

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

Security Insights

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

Security Insights

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

Security Insights

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

Security Insights Products

In A Path Toward Better Token Sales, we covered how token sales originally met a critical need in...

Security Insights

As you are beginning with Ethereum development, and after going through some of the many excellent...

Security Insights

This is the second part of our Ethereum introduction guide. If you haven’t read part 1, I highly...

Security Insights

Two months ago I was asked to build an Ethereum web application as a work test to join Zeppelin,...

Security Insights

In May of 2016, Peter Vessenes analyzed a sample of smart contracts published online to assess...

Security Insights

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

Security Insights

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

Security Insights