A coded passage in “Kryptos,” Jim Sanborn’s sculpture at CIA headquarters, has gone unsolved for decades. After he announced its auction, two researchers stumbled on the answer.
In early 2023, three amateur codebreakers announced they had successfully decoded the secret correspondence of one of the most tragic characters in European history: Mary, Queen of Scots. 57 encrypted ...
After working for some time on decoding mysterious encrypted letters, the codebreakers realize that the ciphered messages might be written by Mary Stuart, the Queen of Scots herself, during a critical ...
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