It will be hard for us if we use our cryptocurrency as our standard currency, the volatile currency will not be useful in real life; only that money is only suitable in real life. Not all individuals are really used in technology, so how could they handle their money if they are not familiar with the technology.
This is also my reason that is why Cryptocurrency is impossible to become our fiat currency. The combination of the two is still better rather than just a crypto by itself. The transaction using crypto needs internet and cannot stand alone by itself unlike transacting using fiat. No need internet and capable of transacting whenever they want.
right, a combination of the two can be used in all conditions. We know that geographical location, the age level where has limitations to access the internet. especially for countries that are left behind, it would be difficult if only crypto in circulation. besides that indeed high price fluctuations are still a problem in crypto as a currency