We're getting into semantics here, but we need different words to describe fiat money that can practically be used (legally) to obtain real goods, and fiat mone

We're getting into semantics here, but we need different words to describe fiat money that can practically be used (legally) to obtain real goods, and fiat money that no mainstream merchant is willing to accept. When people say "real money" as opposed to "fake money", they're usually referring to the above distinction.