Should US have dual currencies: domestic digital and international fiat

https://en.wikipedia.org/wiki/Fiat_money: “Fiat money is a currency (a medium of exchange) established as money, often by government regulation, but that does not have intrinsic value (value independent of the nominal value, such as a precious metal might have)”

⇒ The question seems to imply digital currencies have intrinsic value. I don’t see that.