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National

Adam Holmes

How to solve the Australian Signals Directorate 75th anniversary 50 cent coin

Australian Signals Directorate ASD Richard Bean Asio Queen Elizabeth II

You might have heard about the 14-year-old Tasmanian boy who solved the codes on a coin released by an Australian intelligence agency.

The coin, released on Thursday by the Australian Signals Directorate (ASD), commemorated its 75th anniversary and included several codes to crack.

But the puzzles were already being discussed 10 days earlier online.

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