The first Bitcoin block signaling for BIP-110 has been mined, marking a flashpoint in a heated debate over restricting non-financial data onchain.

Jack Dorsey, CEO and co-founder of Block, announced in a letter to shareholders that the Oakland-based financial company was laying off more than 4,000 employees, or about 40% of its workforce. Block ...

Shares in the financial technology company Block have soared more than 20% in after-hours trading after its CEO announced it ...

A high-profile investment bank launched coverage of three crypto mining stocks. It flagged two of them, including Cipher Mining, as being clear buys. According to reports the analysts generally waxed ...

Morgan Stanley initiated coverage of three publicly traded bitcoin BTC $72,799.64 mining companies on Monday, backing two names tied to data center leasing while taking a more cautious stance on a ...

For years, security teams treated ransomware as a technological problem. Security teams hardened backup systems, deployed endpoint detection, practiced incident response playbooks built around data ...

Abstract: As fundamental components of symmetric cryptosystems, block ciphers are pivotal for secure communication. Differential cryptanalysis (DC) has become a cornerstone for evaluating block cipher ...

The Voynich manuscript—a mysterious medieval book that has defied translation for centuries—may have been created using a special code developed with the help of cards and dice, a new study suggests.

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years following more than a decade of devastating hacks that exploited it and ...