I disagree. You can't use gold nuggets to pay for your groceries. As a medium of exchange it is sorely lacking. Gold has been mostly a commodity for a very long

I disagree. You can't use gold nuggets to pay for your groceries. As a medium of exchange it is sorely lacking. Gold has been mostly a commodity for a very long time. Its main purpose with respect to money nowadays is that it is a store of value useful to backers of currency.