Crypto & Blockchain Security

Wormhole, one of the largest bridges between Solana and other blockchains, has been hacked 120k wETH, or about $320M — making it the second...

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...

Qubit Finance, a major decentralized digital finance platform, was hacked for $80 million in cryptocurrency. The largest crypto-hack so far this year was initially...

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...

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...

Recently, in the science journal Nature, Google claimed ‘quantum supremacy’ saying that its quantum computer is the first to perform a calculation that would...

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...

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...

The utopian view of the blockchain as an unhackable alternative to the status quo is a pipedream. Many traditional cyberattacks are effective in a...

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...

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...

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...

Crypto.com, one of the biggest and best known cryptocurrency exchanges in the world announced that 483 of its users were hit in a hack...

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...

The DeFi revolution presents new risks and challenges for innovators, regulators, cybersecurity experts and early adopters of the powerful technology. These are the top...