In the end credits of the movie Fair Game (2010) some letters are marked. Blog reader Rossignol has now provided me screenshots that are very helpful for studying this code.
The Peralta Stones are a set of engraved stones. Some people believe they indicate the location of a lost gold mine.
A crypto book published in 1939 contains an excercise cryptogram. Many have tried to solve it, but the solution is still unknown.
British private detective Ignatius Pollaky (1828-1918) published a number of encrypted newspaper ads. Some of them have never been solved.
Bruno Borges, a Brazilian student who has mysteriously vanished from his home, left behind numerous encrypted notes. Now a Brazilian newspaper reports on new activities in this case.
US mathematics professor Craig Bauer has published a great book about unsolved cryptograms. Most of these crypto mysteries have been covered on this blog before.
Crypto history expert Frode Weierud has found a number of encrypted messages in an archive. Can we help him to decipher these cryptograms?
Tissie and Jabber as well as Harry and Caroline were two amorous couples, who exchanged encrypted messages via newspaper ads more than a century ago. Their encryption codes are unsolved to date.
Last week I presented the mystery of an encrypted note found in an antique silk dress. Has the codebook used now been found?
A young man, who had disappeared from his home in California, sent an encrypted message from Israel to his parents. This cryptogram has been unsolved for over four decades. Can a reader decipher it?
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