Crypto & Blockchain Security

Transit Swap Hacker Returned 70% of the Money

A hacker that stole $23 million from the decentralized exchange (DEX) Transit Swap today returned $16M, or about 70% of the stolen Ethereum and...

BNB Chain Halted After Suspected Hack, $536M Compromised

BNB Chain has been halted after one of the biggest BNB holders started displaying erratic on-chain behavior, suggesting a hack. At around 17:30 UTC the...

How the Nomad Bridge Hack can Help Us Explore the Potential...

One attacker and hundreds of copycats looted the Nomad bridge for over $190 million; few did the right thing. Decentralization is a hot-button topic in...

Binance Has a $1B Hack Insurance

Binance Has a $1B War Chest for Hack Protection. Amid a flurry of multi-million dollar cryptocurrency exchange hacks, Binance has allocated $1 billion to...

The Top 4 Supply Chain Security Risks of Blockchain Smart Contracts

Code reuse is considered best practice in software engineering.  Reusing high-quality, secure code can speed development processes and often results in higher-quality code than...

What the $534M Coincheck Hack Taught Us All About Safe Storage...

The biggest crypto heist in history at the time it occurred in 2018 was an eye-opener for many reasons, not least of which for...

What You Need to Know about the $460M MtGox Hack of...

The full story behind the first major crypto hack and how much really was lost. MtGox was one of the very first platforms on which...

$30M Stolen From Grim Finance

DeFi protocol Grim Finance said about $30 million was stolen by hackers exploiting a reentrancy vulnerability in their platform. A security flaw in the...

How Blockchain Security Differs From Traditional Cybersecurity – 4 – Security...

This article concludes our four-part series on the basic differences between traditional IT security and blockchain security. Previous articles discussed the security differences critical...

$320M DeFi Hack

Wormhole, one of the largest bridges between Solana and other blockchains, has been hacked 120k wETH, or about $320M — making it the second...

Why DevSecOps is Essential for the Blockchain Ecosystem

In recent years, many organizations have adopted more modern development practices, including Agile, Scrum, and DevOps.  The goal of these new processes is to...

How a $1B Flash Loan Led to the $182M Beanstalk Farms...

Understanding how flash loans and governance work in DeFi to demystify the Beanstalk Farms Hack The only way to understand how the Beanstalk Farms decentralized...

Blockchain and Crypto Security Training – Free

I’ve been providing blockchain security and crypto compliance training awareness sessions since 2013. I’m sharing my latest blockchain security training material under the Creative Commons...

Potential $600M FTX Hack

In the midst of the FTX meltdown, the once 2nd largest exchange appears to also be facing one of the largest crypto hacks of...