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 ...

A new campaign dubbed 'GhostPoster' is hiding JavaScript code in the image logo of malicious Firefox extensions counting more ...

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 ...

What To Know: Cipher said the warrants that remain unexercised as of 5:00 p.m. ET on Dec. 26, 2025, will be redeemed at a price of $0.01 per warrant. These warrants were originally issued under a ...

My bull case is based on the $9.3B of contracted data center leases (AWS $5.5B/15 years; Fluidstack $3.8B/10 years), which could materialize into revenue as soon as August–September 2026. I see ...

U.S. stock futures were lower this morning, with the Dow futures falling around 200 points on Monday. Shares of CleanSpark Inc (NASDAQ: CLSK) fell sharply in pre-market trading. Shares of ...

Bitcoin miner Cipher (Nasdaq: CIFR) announced redemption for all remaining outstanding warrants before December 26, according to a filing issued on Wednesday. Cipher said it will redeem all ...

Mixed options sentiment in Cipher Mining (CIFR), with shares down 50c near $14.06. Options volume relatively light with 21k contracts traded and calls leading puts for a put/call ratio of 0.32, ...

"One of the weapons originating from the Two Fingers. A formless sequence of ciphers comprise its blade, and as such no shield can repel it. Deals holy damage. The furtive inscription appears to hang ...

Cipher Mining (CIFR) may have crashed 33.26% from its lofty perch of $25.52 it achieved on Nov. 5, but the company’s journey is far from stalled. After attracting investors with its Q3 performance, ...

Joseph Zada as Haymitch Abernathy and Mckenna Grace as Maysilee Donner in The Hunger Games: Sunrise on the Reaping. (Murray Close/Lionsgate) Katniss and Peeta won't be the only beloved characters ...