If you want to remain anonymous NEVER PLAY AT STAKE
THEY WILL HOLD YOUR FUNDS AND SCAM YOU IF YOU FAIL TO PROVIDE THEM KYC WITH PASSPORT AND 50 OTHER THINGS THEY ASK. IF YOU DON'T HAVE EVEN 1 OF THEM, YOU ARE GONE!
They are a Curacao book so it's not right for them to be overly intrusive.