The Zodiac 340 has been solved! by Novil from Sandra and Woo on 2020-12-11 23:22 (#5BJ3K) The Zodiac 340, the second-most famous unsolved encrypted message after the Voynich Manuscript, has been deciphered by code breakers David Oranchak (USA), Sam Blake (Australia) and Jarl Van Eycke (Belgium)!