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...
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 – 6 – Wallet Attacks
Wallet Attacks: A Deep-dive
Wallets are a logical target for cyber-attacks, along with the emerging institutions that hold custody of them on users’ behalf. While...
The 12 Biggest Hacking Incidents in the History of Crypto
The most comprehensive ranked list of the biggest crypto hacks in history (Up until November 1, 2022. I suspect a larger one is just...
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...
Cybercrime in China – a Growing Threat for the Chinese Economy
Western publications often picture the People’s Democratic Republic of China (hereafter China) as the world’s chief propagator of cyberattacks. But the picture is much...
Cybersecurity of Blockchain & Blockchain for Cybersecurity
You may have heard, over the last year or two, about the new technological miracle that is the blockchain. It seems that every banker,...
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,...
$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...
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....
$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...
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...
$3.3M Hack of Profanity’s Vanity Ethereum Addresses
Ethereum custom addresses created via the Profanity tool have been hacked. Almost $3.3 million stolen from several custom ETH addresses. Attackers took advantage of...
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...
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...
