Cipher Mining Inc (NASDAQ: CIFR) shares slipped on Monday as Bitcoin's (CRYPTO: BTC) pullback weighed on crypto‑linked names and momentum stocks more broadly. What Happened: Bitcoin dropped below ...

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 ...

Abstract: In this study, we present the Multi-Staged Matrix Transformations Playfair Cipher (MSMT-PF), a novel approach designed to advance the traditional Playfair cipher's encryption security. While ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

December 12, 2025, 4:47 PM · Violinist Ray Ushikubo has come a long way from the $20 violin he started on at age six. In November he received the loan of one of the most rare instruments in the world ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...