The Euro, yen, pound, etc are all trading like garbage compared to the buck.
I don't really see what a digital currency gains anyone in a well-banked economy. How is it better than a debit card loaded on your Google or Apple Pay? Meanwhile, you can load a credit card on there and earn cash back.
The number of hacks in the cryptocurrency arena are really breathtaking. Good luck to China in protecting against that.
Maybe the blockchain will amount to something in the distant future. But, for now, I don't think we need to worry about it.