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.
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.
The year 2018 has its first alleged Voynich Manuscript solution. This time, two researchers say that Hebrew is the language the enigmatic book was written in. What’s behind this new hypothesis?
If you understand German you should listen to this radio broadcast about the Voynich Manuscript – including an interview with me. And then, there are two articles I have published recently.
Two encrypted newspaper advertisements from 1875 puzzle cryptologists. Is the first ad the key to the second?
In 2013 George Lasry broke a ciphertext many had considered unbreakable. In the wake of this success, a few crypto experts created a similar challenge with an even higher level of difficulty. Is this one unbreakable? So far, nobody has solved it.
Israeli codebreaker and reader of this blog, George Lasry, has solved cryptogram #42 from my top 50 list.
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