Tags: crypto 


This challenge is one of easy challenges :D


I used one layer of decoding to get the flag

Tools I used > https://cryptii.com

I decode with Rail Fence Cipher key(6) and offset(9) and i got the flag

![](https://i.imgur.com/QJvrXGK.png )

WTF!! flag

AdiPratama15Jan. 31, 2020, 9:23 a.m.

How did you know about the number key?
Rail Fence Cipher key= 6

How did you about these (6 and 9) number combination?