I read this article and I wonder about something: "For instance, they (Waterhole) allow an optional three-step verification for the users, consisting of ID, photo and video verification."
So if you need to practically give them your DNA sample, then what is the reason behind escrow at all?
Well, it also says that you don't HAVE to do it, but that's besides the point. I'm more interested in potential profit, rather than keeping my privacy.