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CryptoHack is a fun platform to learn modern cryptography through solving challenges and cracking insecure code. Can you reach the top of the leaderboard?

It was founded by two crypto enthusiasts from the UK, hyperreality and Jack. hyperreality is currently working as a devops engineer and Jack is studying for a PhD in black holes.

We bonded over our shared passion for solving crypto CTF challenges, but realised that most people find it a tough topic. We wanted to build a "HackTheBox of crypto", where users are encouraged to learn about how crypto works, and how to break it when it doesn't. We'll be continuing to release new challenges to stay up-to-date with the latest attacks and techniques.

The site was released to the world on 26th March 2020.

Here's our Discord channel: https://discord.gg/eJaJ3xC
CryptoHack
Sites origin country United Kingdom
Language English
Category Tags Crypto
Site Admins hyperreality
Auto update yes
Has OnSiteRank yes
WarBoxes 0
Score 25627
Base-Score 10000
Users 20967
Challs 146
Linked users 165
Average 12.26%
Difficulty 100.00%
Enjoyment 100.00%
Latest 9 active Players, ordered by last update (14d)
woanmeo11deuteriumstargold71ernestomonsalveTuxKaldahsam_ninja
michjewastakensaltyeyes
Score history for site CryptoHack
Number of Users on CryptoHack
Number of Challenges on CryptoHack

Comments on CryptoHack

Global Rank: 237
Totalscore: 85761
Posts: 1423
Thanks: 1246
UpVotes: 763
Registered: 13y 80d




Last Seen: 2d 6h
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RE: Comments on CryptoHack
Google/translate1Thank You!3Good Post!0Bad Post! link
I have to say that this site is awesome for crypto.
I am still thinking about euler totients for creating a private key Smile
The geeks shall inherit the properties and methods of object earth.
Global Rank: 211
Totalscore: 93416
Posts: 59
Thanks: 49
UpVotes: 53
Registered: 6y 234d
occasus`s Avatar


Last Seen: 9h 10m
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RE: Comments on CryptoHack
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Yes, I totally agree with you. It is very rare such a site. I remind that I'm not a coder (it remains a dream-job), and I can tell that I learned a lot in just few challenges.
Great site!!!
Global Rank: 237
Totalscore: 85761
Posts: 1423
Thanks: 1246
UpVotes: 763
Registered: 13y 80d




Last Seen: 2d 6h
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RE: Comments on CryptoHack
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Is there a forum or irc or other chat?
The geeks shall inherit the properties and methods of object earth.
Global Rank: 5
Totalscore: 510788
Posts: 123
Thanks: 128
UpVotes: 115
Registered: 11y 199d





Last Seen: 9h 47m
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RE: Comments on CryptoHack
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Discord as noted in https://www.wechall.net/site/details/99/CryptoHack
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