Are they using an exchange account for their scam? That seems kind of dumb.
This is an exchange account, not 'private wallet' or whatever it is called.Suggestion for the FAQ:
q) I can't decide whether to leave my coins on an exchange or risk them in a Ponzi scheme. What do you advise?
a) Send them to us. We're a Ponzi that leaves your coins on an exchange so you can risk your coins while you risk your coins. Double the excitement!