boneyard bill
Veteran Member
Barter is inefficient. We'll still need to use something as a medium of exchange and that something will have to be some kind of commodity that people have some confidence in. Maybe it will be nickels. They have about $.08 cents in junk metal and cost about $.11 to mint. So when people lose faith in the paper currencies, they might still retain confidence in our coins.
Dried beans make a pretty good medium of exchange; but perhaps not as good as toilet paper, which is almost completely non-perishable. What use is nickel (or cupro-nickel) in a post apocalyptic wasteland? Scrap metal will be plentiful enough; what counts is a full belly and a clean arse.
Of course, if other currencies don't collapse, then they will fill the void - as they always do. Usually the US$ takes over as defacto currency, but if the US$ collapsed, there is no reason why the Loonie or the Euro couldn't fill the void.
I doubt that there are enough loonies. It would force prices really, really high. Maybe the euro would work. But the real problem is that if the dollar fell, these other currencies probably would as well.