You can sell around $1 as long as people believe it's worth $1, which it's not, so there's no guarantee they will continue to believe it forever. It's supposed

You can sell around $1 as long as people believe it's worth $1, which it's not, so there's no guarantee they will continue to believe it forever. It's supposed to have enough backing to actually represent a $1 which would mean that faith wouldn't be part of the equation, but that's not the actual situation.