Okay so to put the legos together for you. If 10 people are trading pokeman cards SUPER SECRET like. And 100,000 people are trading pokeman cards KINDA SECRET like. What are the odds you can, AT SCALE unmask the card traders? You know both are happening and you know the on and off ramps for them selling their cards.

Do you see how scale, anonymity, and methodology are a trifecta not a simple methodology trumps all?