Yes, the post. What else could it be? A part of the post that cannot be seen, unless something is done to reveal it, perhaps?
ASCii85. Also known as a Base85, a form of binary to text encoding.
I mean none of them, it’s a clue to a substitution cipher with the function (ax+b), with b being the magnitude of the shift. By the way, the a (slope) is 5 and the b (intercept) is 8.
Model M3, Army/Navy variant, with all values set to one, reflector UKB W
Another clue to a substitution cipher. This one was originally made for the Hebrew alphabet, but was modified to work with the Latin one and here’s the final nail in the coffin: “Forwards is backwards.”
The final cipher, also a subsitution, using a ‘shift’ of a certain degree.
There, I think I’ve given enough clues, and if you get the first one, the rest will follow quickly.
They are in the order in which I encoded them.
All settings are default.
Also, the first clue was to see the fact that I had edited the post, and that a link to Cryptii in it.
Hence: “The greatest clue is the one you cannot see…yet.”