“Bitcoin, Chance and Randomness” by @hugohanoihttps://medium.com/@hugonguyen/bitcoin-chance-and-randomness-ba49a6edf933 …
Actually it wasn't always based on math or computational hardness :-) Early cryptography was more about obscurity than about having solid math proof.
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Whether users were aware or not, cipher systems in use for thousands of years were based on mathematical principles. Most of them however were greatly weakened by Middle Ages frequency analysis.
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IMO there's a difference between being describable by math, and actually intentionally built on math for computational hardness. An example is a simple substitution cipher that uses a single alphabet. Yes, you can describe it with math, but it's easily breakable.
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So it's not really about math but the _right kind_ of math. If there was any math involved in early ciphers, it's likely accidental.
End of conversation
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