For a while, China opposed cryptocurrency, but now this country has completed the development of the external level of the digital renminbi. This suggests that soon the whole world will introduce cryptocurrency at the state level
if China accepts its cryptocurrency then the economies of the whole world could suffer. as far as I know they want to give up the dollar.
in this case, only the US economy can suffer, the world does not end on America alone. If China accepts cryptocurrency as a means of payment, it will benefit everyone