That’s actually not a big deal either. Monetary exchange is the norm even now. What’s not going to be correct is having manipulated currencies being forced upon us at illegitimate exchange rates determined by the CCP, not the market.
That will necessitate the decoupling, and that will take time.
I see a window for Intrnational One World digital currency possible sooner rather than later if Brics pushes to hard and fast - would naturally stop them in a round and about way I suspect????