Gresham's law.
And if there is no legal tender, the effects are worse. Since workers need to be paid immediately, they are likely to accept worse money.
It isn't good for workers, and it is not good for the functioning of a capitalist economy as well.
And as it is against the interests of both fundamental classes in a capitalist society... it has no chance of being put on practice.
Luís Henrique


But I'd like to have your economic opinion about this my idea. 