Myrkul is 100% correct Without at least the Prime Resource of labour alone, nothing "economic" ever happens. If your hastily concluded labours paid and fed you a $10 sandwich for "nothing" I'd say you have a very attractive business model you should sell to Mcdonalds.

The Global Marketplace's "currency" exchange rate for a particular nation's people's economic Medium of Labour-Exchange (money, bucks, loot etc) is it's current comparative exchange-value relative to the current comparative exchange-values of other nation's people's economic Mediums of Labour-Exchange (money, bucks, loot etc).

Right now (or "currently" ) the Bitcoin-securitized electronic Funded Credit Swap is the most "un-loot-like" form of "loot" ever devised, being as it represents only the exchange-value of all the fruits of all-humans labours alone, independent of any national-socialist economic-ghetto entity and is wholly-owned by it's bearers and acquirers (aka counter-parties) alone.

A global-human's Bitcoin "currency" exchange-rate is independent of any national-socialist economies' monetary corruptions, debts, wealths, trade surpluses or deficits. Bitcoin is an economic "loot" without an economic "ghetto".

"Currency" is a money changing term describing the current comparative value of a particular brand of "economic loot" at a given place and time.