20 Years of Cryptologic Challenges

This year will mark the 21st anniversary of our Enigma simulator and the 20th year of cryptologic challenges. It all started in early 2006 with the Enigma Challenge to decrypt ten messages. Although the challenge was a one-time event, the feedback encouraged us to continue the challenge. The original 2006 results are included in the all-time Table of Honor of the currently running challenge. The…