
CONTACT
& INFO
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 RECENT
UPDATES * 11 October 2025
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Crypto Box Challenge Bernhard Esslinger & Nils Kopal
solved the three boxes.
Enigma
Challenge Rudolf Frank
from Germany is 93rd to complete challenge.
Enigma
Challenge Rolf
Schneider from Switzerland is 92nd to complete
challenge.
History TSEC/KL-7 Version 5.2 more details,
clarifications and improved text.
Crypto
News Papers from
British computer pioneer Alan Turing auctioned.
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