Codes, Cryptography & BlockchainClassical Cryptography
The Unbreakable Cipher That Broke
Vigenère's code was called indecipherable for 300 years
Its French nickname meant “the indecipherable cipher,” and for about 300 years nobody published a way to crack it. Can you?
You'll find out
- How one keyword fools letter counting
- Who cracked it first, and kept quiet
- The cipher nobody can ever crack
Why it matters
Every ‘unbreakable’ code waits for a better idea, and this one shows exactly what codebreakers hunt for.
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