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The Lighthouse Conspiracy

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Welcome to the 20th National Cipher Challenge

The website is now open for registration and you are welcome to dive right in. There is loads to explore, with lots of information about the competition, how to register and take part, and information about how to start breaking codes and ciphers or to improve your skills.

If you have questions then head over to the forum to post them. All registered participants (and teachers) can do that and there is an active community of cipher challenge alumni and forum moderators (the Elves) who are waiting to help. Harry or Jodie might even reply themselves.

It is great to welcome you to the National Cipher Challenge family for this special edition of the competition. We hope you enjoy it,

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800 words registrations

A few days into registration and more than two weeks from kickoff, and we already have over 800 participants and teachers registered for the competition! Some familiar faces/aces are back (welcome as always to very old […]

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