Category: Cryptography

• The Voynich Manuscript

  A fifteenth-century illustrated codex written in an unknown script, filled with strange plants, astronomical diagrams, bathing women, foldout maps, and dense text that has resisted stable reading for generations, making it one of the most studied hidden-text mysteries in the world.

• Cicada 3301

  A series of ultra-complex cryptographic recruitment puzzles first posted online in 2012 under the name “3301,” combining steganography, encryption, dead drops, phone messages, GPS coordinates, Tor, occult and literary references, and a secrecy culture that made it one of the most studied mysteries of the internet age.