Every online bank transfer, private message and Bitcoin transaction rests on the assumption that some math problems are ...

Most of what you do online is quietly logged, analyzed, and resold, even when it feels routine, like checking email or ...

How does cryptographic verification replace re-execution on-chain? Learn how ZK-Rollups use mathematical proofs to scale ...

Explore the inner workings of the javax.crypto.Cipher class in Java's cryptography API: understand its provider-based architecture ...

Premium VPNs are generally worth it over free ones thanks to their stronger security and more reliable data privacy, two advantages free VPNs typically lack.

Quantum computing won’t break Bitcoin in 2026, but attackers are already preparing. Here’s how crypto is moving toward post-quantum security, and how ready it is.

For five decades, many have tried to crack the Zodiac's Z13 cipher - which promises to reveal the killer's true name. Now, investigative consultant Alex Baber believes he has done it. Here's how.

Yes, the technology underlying passkeys is confusing. Here's a plain-English guide that can help you ditch passwords today.