CryptoHack – Register

Courses
Challenges
Scoreboard
Blog
Chat
Careers
FAQ
Register
Login

Username

Password

Confirm Password

Solve this Roman emperor's cipher: QGDDB WPAU RPAB GJGPA

Enter four-word solution here

I agree not to share solutions or writeups on other websites.
This is to avoid spoiling the challenges for other players. We have a "solutions" feature where you can post your solution and browse other players' solutions after you have solved a challenge. If you need a hint, ask in our chatroom.

Level Up

You are now level Current level