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Featured Post

Announcing Defender 2.0

OpenZeppelin Defender is a mission-critical developer security platform to code, audit, deploy, monitor, and operate blockchain applications with confidence. Defender embeds OpenZeppelin’s ...

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All Announcements Security Audits Security Insights Products Events Case Study

Thin Protocols

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

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

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

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

I’ve been working with smart contracts for 4 years, mainly in the Bitcoin blockchain. Some projects...

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