What is the secret code tap?

The tap code, or knock code, is a simplistic method of encoding messages letter by letter. It operates by transmitting messages through a series of distinctive tap sounds, thus earning its distinctive name.

This method of communication has been utilized extensively by individuals in restrictive environments, particularly prisoners, as a means to discreetly convey information.

The appeal of the tap code lies in its simplicity and ease of execution, requiring no special tools or advanced knowledge to decode. Each tap or knock represents a specific letter or symbol in the message.

To decipher the message, both the sender and receiver must share a common understanding of the tapping sequence that corresponds to each letter or symbol. This allows for a secretive form of communication that can bypass monitoring systems.

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