Usa digital dollar is coming soon
I think this time USA dont focus about this instead they need to fight the COVID19 to recover in the pandemic. But if new government in USA supporting the digital dollar as a money online for purchasing some goods and other needs and also can help to decreasing the spreading the virus.
The way to produce more currency it might be defi
Defi so yield farming will be new banking
I dont know much about DeFi or decentralised finance , the only know is that Defi are automated agreements that dont need intermediaries like a bank and use only online blockchain technology.