The DADA URKA cipher
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DADA URKA is a simple cipher that is known from a Donald Duck booklet printed in Germany 1986. |
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(c) Delphin / Walt Disney |
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The cipher is found (google) mainly in combination with Geocaching. It is simple and also alike some historical octothorpe # ciphers, such as those used by the free masons in the 18th and 19th century. |
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Free mason alphabet shown in a book about ciphers dated 1808. |
Octothorpe cipher described in Andre Langies book "De la Cryptographie" 1918 |
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Using Dada Urka, every character is represented by the borders of its field in the octothorpe sign. |
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These nine field are not sufficient to represent 26 characters, so additional dots (one or two) help. Here are some examples. |
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