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Secret Codes NEW
Crack ciphers, break codes, and become a master of secret messages! 🔐🔑🕵️
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🔤Substitution CiphersSwap each letter
🔁Shift CiphersCaesar & ROT13
🧩Frequency AnalysisCrack the pattern
🔑Public-Key CryptoTwo-key systems
🛡️Modern EncryptionRSA & hashing
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Answer questions about ciphers, codebreakers and secret keys. Learn a crypto fact after every answer!