When you think about it, any cryptocurrency is just another version of a gold standard. And if, as crypto enthusiasts seem to suggest, the entire world just adopts this new cryptocurrency, then all would be fine. I've recently made a post about whether that's actually such a good idea or not:

https://steemit.com/politics/@politikhos/bitcoin-would-be-a-new-gold-standard-and-maybe-that-s-a-bad-thing