The recruitment puzzle (?) that spilled from 4chan onto payphones, PGP, Tor, music files, and runic pages — then vanished, leaving a book no one can fully read.
The Cicada 3301 Internet Mystery
The recruitment puzzle (?) that spilled from 4chan onto payphones, PGP, Tor, music files, and runic pages — then vanished, leaving a book no one can fully read.