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Claude Solves 25-Year-Old NIST Curve Seed Mystery in Under 30 Minutes

Anthropic's Claude reportedly solved a 25-year-old cryptography puzzle concerning the unexplained seeds behind NIST's standard digital-signature curves, which the NSA supplied without explanation. According to the report, Claude determined in under 30 minutes that the seeds came from "lrand48," a simple C random number generator, making deliberate backdoors far less likely.

The Decoder1d agoScore 73
Anthropic ClaudeCryptographyNIST standards
Industry Editor selected

AI Output Format Shake-Up: Markdown Falls Out of Favor as HTML Stages a Comeback

For the past two years, if you asked which format large language models preferred for delivering content, the answer was almost certainly Markdown.The reason was simple: Markdown is clean, free of extraneous formatting, and easy to copy into document<!--autointro-->

AITopic existing contentMay 11, 2026Score 80
Anthropic ClaudeAI output formatMarkdown vs HTML