CryptoHack Community

Join over 5000 others in conversations about the CryptoHack website, cryptography news, and mathematics and programming. Or just ask in #challenge-hints for help if you're stuck. We are currently chatting on the following platforms:

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Discord is the home of the CryptoHack community.

Click this link to join:

You will be prompted to answer a cryptography-themed verification question by our CryptoHacker bot to access all the channels.

You can link your CryptoHack profile to your Discord account allowing you to gain special roles: just follow the instructions in your user profile settings.


We tested running a Matrix homeserver which mirrored Discord for a few years as per our blog post on the topic.

However a relatively low amount of interest and some annoying breakages means we have decommissioned this server.

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