A fun platform for learning modern cryptography
Get your hands dirty and learn about modern cryptographic protocols by solving a series of interactive puzzles and challenges.
Earn points by solving challenges. Finish categories to earn trophies and gain levels to track your progress. Can you reach the top of the scoreboard?
We are constantly creating new challenges to keep your crypto knowledge up to date. Expect exciting brainteasers and whole new categories as the site continues to grow.
|JSON in JSON||Crypto on the Web||40|
|Oh SNAP||Block Ciphers||120|
|Bruce Schneier's Password: Part 2||Misc||250|
|Bruce Schneier's Password||Misc||100|
Weekly Top Users
|You either know, XOR you don't||sshd||2021-02-25T13:13:19Z|