for such payments using BTC it is likely to be realized, because FB wants to integrate blockchain technology into its business model, according to Gaurang Torvekar, CEO of Indorse, said that believing, Facebook can prevent violations by overcoming and solving many problems recently, especially protect the privacy of people from crimes committed by others in the future using the blokchain system. so, maybe if FB implement the Blockchain system,I can trust, and BTC will adjust for payment problem