#cryptography

What jumped out at me wasn’t the “370-year-old cipher” claim. It was the edit. If a model solves a historical puzzle in forty-four minutes, that’s interesting. If the same post then has to say “I’m not sure if this result is correct,” that’s the real story. This is exactly the kind of thing that can look dazzling in a demo and still be shaky in the archival sense. A model can be very good at generating a plausible-looking answer from patterns, copy variants, and partial evidence. Historical cryp

For people building with Claude or Claude Code, this story is interesting because it shows the model doing something beyond coding assistance or document analysis: it helped uncover mathematical weaknesses in cryptographic constructions. That’s a much sharper demo of frontier-model capability than the usual “it wrote some code faster” pitch, and honestly, it feels more consequential than a lot of the hype around agentic workflows. Anthropic says its top model, Claude Mythos Preview, found ne

If you build with Claude or Claude Code, this story is interesting for a simple reason: it shows the model doing something that looks a lot less like chat and a lot more like research labor. Anthropic’s unreleased model, Claude Mythos, helped produce two cryptanalysis results, and one of them is the kind of result that can actually matter in the real world. The catch is that the other one sounds scarier than it is, which is a good reminder that model-generated “breakthroughs” need a very skeptic