The Beale cryptograms are the greatest hoax in crypto history. Generations of treasure hunters have tried to solve them and to find the hidden treasure, the location of which they allegedly describe. Nobody has ever been successfull, as the treasure simply does not exist.
A new Tengri 137 challenge has shown up. Blog reader Norbert Biermann found the solution – codebreaking at its best. Now the next Tengri 137 puzzle is waiting to be solved.
In one of his books British priest and novelist Sabine Baring-Gould (1834–1924) published a short cryptogram. Can a reader solve it?
The Blitz Ciphers are an encrypted book allegedly found in London just after World War II. Only eight page scans have been published. Some of my readers consider the Blitz Ciphers a fake.
The M-209 is a small and robust encryption machine used by the US Army in World War II. Although several cryptologists have developed powerful methods to break the M-209, one series of messages is still unsolved.
In 1906 an unknown person sent an encrypted postcard from St. Petersburg, Russia, to Vaasa, Finland. Can a reader decrypt it?
“Who can solve this encrypted book?”, I asked five weeks ago. Blog reader Klaus Tappeiner from South Tyrol, Italy, could. His solution of the Tengri 137 cryptogram is absolutely ingenious.
US citizen David Rayburn killed his wife, his step-son, and himself. Years later, an encrypted text allegedly written by him emerged. This cryptogram is unsolved to this day.
Two years ago a detectorist found an encrypted note hidden in a WW2 bullet in central Italy. Despite many tries this cryptogram is still unsolved.
Here’s my latest publication: a free brochure about cryptography and codebreaking especially for school children. Thanks to a great graphic artist it looks very professional.
Letzte Kommentare