Still a bit confused about it myself. It was a presale using EOS ethereum tokens.
RIDL is supposed to be an ID system that will be built into scatter. Apparently it's completely separate from EOS account names.
I bought kirkins and philip. At that time I thought RIDL would be the main ID system. So I'm still waiting to find out what the heck I bought lol.
Link below describes the RIDL name presale.