GPT-6 Cracks a Cipher That Stumped the World for a Century
This story is from 2026-09-20. It is preserved in the archive; the latest stories are on the live feed.
A century-old cipher just met its match, and it wasn't a historian who cracked it. During World War I, the German army used a technique called ADFGVX to encrypt radio messages. Each letter got mapped to a pair from a grid built with those six letters as headers. Simple in theory, brutal in practice…
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- 2026-09-20 05:30 · DEV Community — AI
GPT-6 Cracks a Cipher That Stumped the World for a Century