Fable 5.1 Helps Crack 373-Year-Old Cipher; Solution Deemed Simple

ethanniser · x · 2026-09-02

Using Fable 5.1, researchers successfully deciphered a code that had remained unsolved for 373 years. The cipher is listed as #28 on cryptology expert Klaus Schmeh's "Top 50 unsolved encrypted messages." The solution was described as "almost embarrassingly simple in hindsight."

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