There are specialists who say that the YUAN is going to replace the dollar, what would happen with the cryptography if that happens?
Still there are very lesser number of people only using the bitcoin, we see that bitcoin is still not used bigger ratio around every place.
yuan will not replace the usd or any country.
We need the large number of adoption on bitcoin like by corporates or whales who have been invested on bitcoin. In future we will find the more altcoins and each will be added as a national currency for different alts.