Cicada 3301

November 26th, 2013

Via: Telegraph:

For the past two years, a mysterious online organisation has been setting the world’s finest code-breakers a series of seemingly unsolveable problems. But to what end? Welcome to the world of Cicada 3301.

Wikipedia: Cicada 3301

Similar: OTP22: Calling the ‘Beautiful Minds’ of Cryptogon [OTP22 is very active with many unsolved puzzles.]

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