Cryptography, part 2: steganography
An encrypted message gets noticed. A well-hidden one does not. Steganography through a story from Herodotus: a slave, a shaved head and a revolt.
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Edu
The Edu section of Coinback.page: let's discover the world of cryptocurrencies together!
Cryptography, part 1: from secret art to Caesar's cipher
Before it was mathematics, cryptography was an art for initiates. Start with Caesar and ROT13, with three puzzles to solve with pen and paper.
What time is it on a crypto network?
What time is it on a crypto network? It sounds like a silly question, yet it is the most important one.
