SILVERCF-52FD8E30
0 on the trailheat
The Shifted Signal
▁ signal intercept
An encrypted transmission surfaced on a dead frequency. Whoever sent it used a cipher older than paper — and pointed it at the sky.
Reward1,500
Clue 1 of ?
Evidence · sealed
A general crossed a river he could not uncross, and left his name on the oldest trick in cryptography. By how many places did his cipher traditionally slide the alphabet?