Tracing Private Cryptocurrencies
Many believe total anonymity is possible using privacy enhanced cryptocurrencies. It might not always be the case.
Are popular cryptocurrencies like Bitcoin and Ethereum private?
Absolutely...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
Blockchain Security
Recent advances in Distributed Ledger Technology (DLT) / Blockchain have significant implications for the global economy and financial services FinTech and Decentralized Finance (DeFi)...
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...
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 – 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...
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...
















