RSA-260 factor posted, RSA-155 legend shows up in replies within 2 hours

k7agar · x · 2026-09-03

Researcher @penlume published a factor of the RSA-260 challenge, and within just two hours a member of the team that factored RSA-155 back in 1999 appeared in the replies to congratulate them — work that predates @penlume's birth. A neat moment of crypto-community continuity on Twitter.

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