It'll be paid in Zimbabwe style dollars. Got rice?
That might be the scale of it, $1 == 1 grain of rice. But.... another article I was reading the other day talked about global debt (of which the US Fed has a large part in creating), being estimated at $1.4+ QUADrillion!!! I’m thinking that one will require $1 == 1 grain of sand on the beach. (Get your shovel & bucket out in either case!)