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Crypto Club
Crypto Challenges
Crypto Challenges
Crack mysterious messages, submit jokes for others to decrypt, and access secret messages within your private group.

Famous quotes, words of wisdom, and more. You just need to crack them! If you're logged in, you'll earn points for each message you crack!
Why did the chicken crack the code? To get the joke, of course. Decrypt jokes, then encrypt and submit your own favorites.
Crack messages from your group leader. You must first Join a Group with Group ID and password from your group leader.

Join a Group
A CryptoClub group has its own message board for encrypting messages that only group members can read. You can join a public group that has a topic you like, or a private group that someone you know has invited you to join.