How the Big Binance Bridge Hack Will Change the way People...

$566M worth of BNB was stolen from Binance’s cross-chain bridge BSC Token Hub, but how they responded to the hack will be the most...

How KuCoin Survived a Massive Hack of $285M Worth of Crypto...

When attacked, some crypto projects and exchanges buckle and fold under pressure; KuCoin set the standard in 2020 for how to react to crypto...

How Blockchain Security Differs From Traditional Cybersecurity – 1 – Node...

Blockchain is a rapidly-evolving technology with a great deal of interest and investment. Decentralized Finance (DeFi), in particular, has a great deal of money...

How Blockchain Security Differs From Traditional Cybersecurity – 2 – Smart...

This article is the second in a four-part series discussing the differences between traditional IT security / cybersecurity and blockchain security.  Check out the...

$31 Million Hack of Meerkat Finance

On March 4, 2021 Binance Smart Chain-based yield farming protocol Meerkat Finance lost $31 million in user funds - just one day after launching...

How Blockchain Security Differs From Traditional Cybersecurity – 3 – User...

This article is the third in a four-part series exploring the differences between traditional IT security and blockchain security.  Check out the first two...

The $160M Wintermute Hack: Inside Job or Profanity Bug?

Getting to the bottom of the exploit that led to one of the biggest hacks in the history of decentralized finance.  In order to understand...

Security Threats to Blockchain Networks – 4 – Network Attacks

Network Attacks: A Deep-dive Network attacks are a class of exploits that focus on the isolation and manipulation of individual nodes or groups of nodes....

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...

How Crypto’s Biggest Hacker was Found but Never Identified

The $611M Poly Network exploit is the largest crypto hack to date in terms of mark-to-market value and all the stolen funds were returned,...

Trying to Solve the Mysterious $200M BitMart Hack

A missing pile of Safemoon and other cryptocurrencies, accusations of broken promises, and then nothing. When a high-profile cyber attack takes place and hundreds of...

Diving into the $320M Wormhole Bridge Hack

The full story behind the exploit that led to the fraudulent minting of 120,000 wETH and threatened to crash Solana. Early February of 2022 was...

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...

Introduction to Zero-Knowledge Proofs

Proving knowledge of a secret is the basis of password-based authentication systems.  The assumption is that only you know your password.  If this is...

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...