Facebook is working on a crypto coin for WhatsApp

Actual dollars are made of paper. A blockchain securing the trail of transactions of “dollars” vs “stablecoins” is functionally indistinguishable. Regardless of what it’s called, it’s not actually a dollar. But if people will accept it as payment in lieu of dollars at a 1:1 ratio, or if people will reliably give you paper dollars in exchange for it, then who really cares?