Yes, and eventually this will happen with Bitcoin, not shiny rocks 
Discussion
BRICS nations are sadly just puppets of western nations. They are constantly devaluing their local currencies with respect to dollars so to make their goods and services cheaper for western nations.
If they start accepting gold or bitcoin for their goods and services, US military complex will take care of them.
Inevitable
Because #bitcoin is 100x better than physical gold.
Nobody can ignore the hardest money in history - in cyberspace!