Cicada 3301
Internet mystery
Cicada 3301 is the name given to three sets of puzzles posted online under the name "3301" between 2012 and 2014. The first puzzle started on January 4, 2012, on 4chan, and ran for nearly a month. A second round began on January 4, 2013, and a third round was posted on Twitter on January 4, 2014. The third puzzle remains unsolved. The stated intent was to recruit "intelligent individuals" by presenting a series of puzzles to be solved. A new clue was posted on Twitter on January 5, 2016. Cicada 3301 posted their last verified OpenPGP-signed message in April 2017, denying the validity of any unsigned puzzle.
Cicada 3301’s social media accounts
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