Aristotle defined money a few thousand years ago and is pretty much common sense. Money is a commodity that must be :

Divisible, portable, durable, fungible, desireable, relatively scarce , not consumed by industry and maybe , lately , one or two other properties.

The commodity with the most properties of money becomes accepted as money. nostr.fmt.wiz.biz

Yes but that’s only over the long haul. Short term there can be many scams.