Sure, if the entire world economy collapses and we go back to the dark ages, crypto (and the internet in general) will be functionally useless. It seems like a

Sure, if the entire world economy collapses and we go back to the dark ages, crypto (and the internet in general) will be functionally useless. It seems like a given. I am imagining a scenario where USD fails, but some other state currencies (and the internet) continue to exist.