What is cryptography the practice of?

Writing secret codes.

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  1. Writing secret codes ✔
  2. Drawing maps
  3. Building radios

Why: Cryptography is secret code writing, used to keep messages private.

Huh, didn't know that: Cryptography is secret code writing, used to keep messages private.

The dad joke
Cryptography keeps secrets under lock and key.
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References

Answer: Writing secret codes. Cryptography is secret code writing, used to keep messages private.

  1. Scouting America: Signs, Signals, and Codes www.scouting.org/merit-badges/signs-signals-and-codes
    Briefly discuss the history of secret code writing (cryptography).
    Checked 2026-11-07.

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