Explore Challenges
The Vatican Challenge — Part 1 Level X
by Beáta Megyesi, published on 2018-02-14
The Main Library of the Vatican owns some encrypted manuscripts, waiting for decryption. Can you find the solution to the letter from 1628?
A solution to this challenge was published on 2018-06-19. Solutions can still be submitted and verified, but no points will be awarded for them.