Look up something called "dedollarization," it's been talked about in academic circles for quite some time and now more mainstream institutions are discussing it more too.
Yes, in my undergrad government policy classes twenty years ago, we were talking about a "basket of currencies" that would replace the USD as the global reserve.
Yes, in my undergrad government policy classes twenty years ago, we were talking about a "basket of currencies" that would replace the USD as the global reserve.