By: admin on June 25, 2019, 5:14 p.m.
The Vatican owns some encrypted manuscripts waiting for decryption. Can you find the solution for a message from 1721?
By: admin on Nov. 20, 2020, 12:57 a.m.
The challenge was updated, because it was solved, but the solution is not published. We provide some additional hints and lowered the awarded points to 500.