HowToPhil (Phillip R)Nov 9

Huh, look at that, you can encode #tapCode as ascii blocks

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#knockCode #encoding #secretCommunication #wwII #usefulThings

-wikipedia https://en.wikipedia.org/wiki/Tap_code

Itamar MedeirosApr 21, 2023
Despite the dangers, #SecretCommunication is at the heart of #espionage operations and essential for #spy work. Here is a brief #History of Secret Communication methods, from #InvisibleInk to Tattooed Heads https://flip.it/U0CI_J
A Brief History of Secret Communication Methods, From Invisible Ink to Tattooed Heads

Despite the dangers, secret communication is at the heart of espionage operations and essential for spy work.

The MIT Press Reader