I bet Bitcoins will become the world wide currency, after the apocalypse of course.
An apocalypse (Ancient Greek: ἀπoκάλυψις apocálypsis, from ἀπό and καλύπτω meaning 'un-covering'), translated literally from Greek, is a disclosure of knowledge, hidden from humanity in an era dominated by falsehood and misconception, i.e., a lifting of the veil or revelation,
That would likely follow, as all the sheeple would either stop being sheeple or stop being alive.