Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...

TeraWulf (WULF) and Cipher Mining (CIFR) are top crypto miners pivoting to AI and HPC workloads, securing major hyperscaler deals. Both TeraWulf and Cipher have landed multi-billion dollar contracts ...

Cipher Mining (NASDAQ: CIFR) has acquired a 200 MW site in Ohio to support high-performance computing workloads, according to a company press release on Tuesday. Dubbed Ulysses and covering 195 acres, ...

Site acquisition includes 195 acres of land in Ohio and all necessary interconnection approvals to participate in the PJM market NEW YORK, Dec. 23, 2025 (GLOBE NEWSWIRE) -- Cipher Mining Inc.(NASDAQ: ...

Cipher Mining Inc. (CIFR) recently entered the AI data center race with major deals with hyperscaler customers. The bitcoin miner is part of a group of companies transitioning from running data ...

Additionally, Cipher Mining has entered a significant 10-year AI hosting agreement with Fluidstack, expected to generate approximately $830 million in contracted revenue. This agreement will utilize ...

NEW YORK, Dec. 23, 2025 (GLOBE NEWSWIRE) -- Cipher Mining Inc.(NASDAQ: CIFR) (“Cipher” or the “Company”) today announced the acquisition of a 200-megawatt (“MW”) site in Ohio, called “Ulysses.” The ...

David Kwong, the magician, branches out with a festive Sunday puzzle. By Caitlin Lovinger Jump to: Tricky Clues | Today’s Theme SUNDAY PUZZLE — Will Shortz, in his print introduction to this grid, ...

Site acquisition includes 195 acres of land in Ohio and all necessary interconnection approvals to participate in the PJM market Site is well-suited for HPC applications and expected to energize in ...