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 ...
GCHQ has unveiled its annual Christmas Challenge for 2025, challenging Britons to try and crack the code. The festive puzzle contains seven difficult brainteasers to solve, testing a variety of ...
See how secret letters written by Mary, Queen of Scots, were finally decoded. In early 2023, three amateur codebreakers announced they had successfully decoded the secret correspondence of one of the ...
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