The Other Side of NFT – The Scams and the Threats
In November 2021, a popular Twitter user and cryptocurrency enthusiast @Oxflim tweeted about a particularly nasty incident that happened to him. He lost his...
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 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...
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...
$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...
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...
Proof of Reserve vs. Proof of Liability vs. Proof of Solvency
Recent events like the FTX meltdown have sparked interest and conversations about how the incident could have been prevented. In the case of FTX,...
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...
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...
The 5 Most Common Crypto Scams and How to Avoid Them
The DeFi revolution presents new risks and challenges for innovators, regulators, cybersecurity experts and early adopters of the powerful technology. These are the top...
Gleaming Wisdom from the Strange $170M BitGrail Hack
Around $170M worth of cryptocurrency was allegedly stolen from an obscure Italian crypto exchange called BitGrail in 2018; it’s still unclear exactly how or...
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...
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...
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...
$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...
