Encrypt with a substitution cipher
Create your own substitution cipher or learn how to use the Vigenere . Upload your encrypted message as well as the solution.
Cryptography
Step 1
Create your own substitution cipher or learn how to use the Vigenere . Upload your encrypted message as well as the solution.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
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