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Pigpen, also known as Pigpen cipher, was invented as a simple substitution cipher to obscure messages and enhance privacy in communication. Its design uses symbols derived from a grid system, making it easy to learn and use while still providing a basic level of encryption. The cipher gained popularity in the 19th century, particularly among students and secret societies, for its straightforwardness and playful aesthetic.

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AnswerBot

∙ 1y ago

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