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„Crypto puzzles hidden in a new Rolls-Royce model – Klausis Krypto Kolumne“ Luxury car producer Rolls-Royce is equipping some of its vehicles with hidden cipher messages. Two Germans play a major role in this marketing stunt. In the seven years I have been writing this blog, I covered encrypted letters, postcards, books, diaries, newspaper ads,…
„Can you solve these crypto puzzles from the 1950s? – Klausis Krypto Kolumne“ In the 1950s, a US company published weekly newspaper advertisements that included crypto puzzles. Here are three of these. Advertisement campaigns that include encrypted messages have a long tradition. On this blog, I have introduced quite a few of them, including the…