Klaus Schmeh's Website

Klaus Schmeh's Website

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Klaus Schmeh
Sep 12, 2026

This autumn, the Secret Communication exhibition will open its doors for the fifth time in Duivendrecht, a town just outside Amsterdam. If you have an interest in cryptography, this event is well worth a visit.

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Klaus Schmeh
Jun 26, 2026

The HistoCrypt 2026 conference in Amiens, France was a fantastic event. Despite the heat – we experienced some of the hottest days ever recorded in Central Europe – the conference atmosphere remained inspiring.

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Recent Posts

  • Secret Communication 2026: A must-see for crypto enthusiasts
  • New world record in factoring RSA numbers
  • My interview on the Carlie Brucia murder case
  • Can you decipher this letter sent to U.S. president James Madison?
  • The Catokwacopa Cryptograms: A 150-Year-Old Mystery

Recent Comments

  1. Thomas Ernst on Who can solve this encrypted postcard from 1904?
  2. Jozef Krajcovic on The Catokwacopa Cryptograms: A 150-Year-Old Mystery
  3. Thomas Ernst on The Catokwacopa Cryptograms: A 150-Year-Old Mystery
  4. Thomas Ernst on The Catokwacopa Cryptograms: A 150-Year-Old Mystery
  5. Thomas Ernst on The Catokwacopa Cryptograms: A 150-Year-Old Mystery

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