First published by Money Metals here: https://www.moneymetals.com/news/2017/07/31/barter-trade-not-loony-idea-001122

Let’s start with this fact; fiat (paper) currencies die – often spectacularly. That is why precious metals may someday be needed for barter and trade. Anyone who thinks it is silly to worry about such a thing is putting blind faith in Federal Reserve Notes.