6 Things That Could Replace Paper Money

3. Cigarettes

A tried and true black market good, used worldwide. People who use ‘em crave ‘em. One possible downside is the global health initiatives against smoking that may mean this isn’t as durable a means of exchange as in prior eras. But there are still some global brands, and you can visualize a pack being the equivalent of $5 or $10, and a carton carrying a higher valuation.