Riot Platforms, Inc. (Nasdaq: RIOT), a popular Bitcoin (BTC) mining company, announced on Jan. 6 that it sold 1,818 BTC in December 2025. So far, it is the Castle Rock, Colorado-headquartered ...

Understanding Bitcoin is a one-way hash function should make sense because a hash function cannot be reversed. Once you understand that, it is hard to go back to thinking otherwise. The secure hash ...

The SHA-256 hash function remains a cornerstone of modern cryptographic systems, underpinning applications ranging from blockchain mining to secure communications in IoT networks. Recent advancements ...

Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the security of modern encryption. Any clever trick for solving them ...

Binance founder CZ urges all crypto platforms to implement a “will function." The exchange recently updated its platform with an option to submit an inheritance application. CZ’s comments have ignited ...

In 1868, the mathematician Charles Dodgson (better known as Lewis Carroll) proclaimed that an encryption scheme called the Vigenère cipher was “unbreakable.” He had no proof, but he had compelling ...