Introduction to Blockchain Layers 0, 1, and 2 Security
What Are Blockchains Layers 0, 1, and 2?
A blockchain is a complex, multi-layered system. Bitcoin, the original blockchain, maintained a distributed and decentralized digital...
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...
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...
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...
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...
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...
What the Biggest Blockchain Game’s Hack Reveals about the Future of...
Axie Infinity’s Ronin Bridge Hack for $551M worth of crypto assets could paradoxically lead to higher rates of blockchain adoption by showing that it’s...
Security Threats to Blockchain Networks – 5 – Consensus Attacks
Consensus Attacks: A Deep-dive
Where centralized systems operate on the basis of centralized permission, blockchain protocols proceed on the basis of decentralized consensus. While this...
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....
Security Threats to Blockchain Networks – 3 – Smart Contracts
Smart Contract Risk and How to Mitigate It: A Deep-dive
The strengths of smart contracts are also the source of its weaknesses, and will always...
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...
Security Threats to Blockchain Networks – 2 – A Holistic Overview
The utopian view of the blockchain as an unhackable alternative to the status quo is a pipedream. Many traditional cyberattacks are effective in a...
Security Threats to Blockchain Networks – 1 – Cyber Attacks Taxonomy
Cyber-Attack Strategies in the Blockchain Era - A Framework for Categorizing the Emerging Threats to the Crypto Economy
Market attacks
Rely on the mass-manipulation of investors...
$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...
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...