Warning! This article contains spoilers for Silo season 2's episode 6. Silo season 2 makes the Caeser shift cipher a crucial part of one of its main story beats, raising many questions surrounding ...

The answer to the riddles are then used as keys to a Caesar shift cipher. So for cipher #1 we use 19 as the key and replace each letter with the one 19 places before it in the alphabet. You could do ...