Cipher: Udfwavk wcfo nt "zjljhydmu"
This cipher is a solution to this which is currently unsolved and has a bounty.
This is a special cipher, a Vigenere cipher, with this riddle telling the secret key:
All of are given this at birth,
it denotes each other apart,
you can find my profile with this,
and as such, it is my profile's ____