Wouldn't it be surprising if the same people weren't behind Crypto Capital? Like, if you were going to embezzle your own exchange with vaguely plausible deniability, how would you do it differently from exactly as done here?
I'm no expert, and it's not clear if this is the right Oz Yosef, but it would be amazing if someone who knew what they were doing could untangle all of this.
This graphcommons link is down (error 404). I had a peek at it yesterday when it was up and it seemed to contain interesting information I haven't seen elsewhere. Can you provide a reference for this data?