Encrypted newspaper advertisements were very popular in the 19th century. The ones I am going to introduce today are much younger. They were published in the 1980s.
Several Voynich Manuscript experts have published statements about the alleged Voynich Manuscript solution by Kondrak and Hauer. Here’s a summary.
Two encrypted letters written by Spanish king Ferdinand II of Aragon baffled historians. Thanks to secret service codebreakers, the mystery is now solved.
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.