Requirement
10. Cryptography, and a secret code of your own
Required
Briefly discuss its history. Make up a code and write a message of up to 25 words in it. Share the message with a friend or fellow Scout, then the message and code key with your counselor, and discuss how effective it is.
Where this step comes from
- Signs, Signals, and Codes Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-31), Requirement 10