It is a thought out of the box. But if we can make that moment happen. It is a futuristic vision because all the nations of the world should have the necessary infrastructure to adopt massive adoption.
I can only say that I love Crypto because it is the best way I have found to earn an income despite the volatility of the crypto market. Crypto is better than FIAT.
All of us here do really appreciate the use and the innovation of crypto, but it is impossible for crypto replace fiat for now, even there are a lot of countries who started to legalized crypto, it will be difficult for everyone to adopt it because not all of us has the enough technology and has the ability to buy bitcoin and other cryptocurrencies to use for their daily lives.