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CryptoHack

A fun platform for learning modern cryptography

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Break Crypto

Get your hands dirty and learn about modern cryptographic protocols by solving a series of interactive puzzles and challenges.

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Level Up

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?

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Fresh Challenges

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.

New Challenges
Size and Basis Mathematics 15
Gaussian Reduction Mathematics 50
Find the Lattice Mathematics 60
Vectors Mathematics 10
Backpack Cryptography Mathematics 150
Weekly Top Users
#1 zzh1996 3265
#2 adragos 2835
#3 josephs 2380
#4 Nightshade999 1875
#5 GeoffreyY 1555
Recent Solves
Exceptional Curves srikavin
Armory soulctf
RSA Starter 6 152334h
Structure of AES g
XOR Properties AndrewTucker
Recent Solutions
Infinite Descent Ja4V8s28Ck 0
MD0 meadori 1
No Leaks meadori 1
Toshi's Treasure josephs 1
Successive Powers Likkrid 0

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