US outsider artist James Hampton (1909-1964) created only one notable piece of art. In addition, he left behind over 100 pages of encrypted notes that are unsolved to date.
Last year, press reports said that the Devil’s Letter, a notable Italian cryptogram, was solved. It was a good example of how fake news are born.
In the last decade of the 19th century, an unknown person sent three encrypted messages from a place named Bristol. Can a reader decipher these messages?
My readers are pretty good at solving encrypted postcards. However, the two specimens I am going to introduce today look pretty hard to decipher, as the messages are pretty short.
The M-138 is a low-tech cipher device from the first half of the 20th century. Though being quite simple, the M-138 is hard to break.
Among the most popular stories in cryptology are those about a hidden treasure, the location of which is described in an encrypted text. Here are three more stories of this kind.
According to a legend, an encrypted message was found in a cave of the Untersberg, a mountain in the Northern Alps. The cleartext is not known.
Among the most popular stories in cryptology are those about a hidden treasure, the location of which is described in an encrypted text. Here are three stories of this kind.
In 1991, an unknown person sent a number of letters to the presenter of the TV show “America’s Most Wanted”. The anonymous writer claimed to have committed 23 crimes. Some of the letters were encrypted in a similar style as the Zodiac Killer messages.
Two encrypted newspaper advertisements from 1875 puzzle cryptologists. Is the first ad the key to the second?
Letzte Kommentare