Yeah sure i use cash for everyday usage if i have to, to pay bills, some real life goods or anything else related to a daily life scenario.
In case there are no available crypto payment methods you will still need to use fiat (cash).
Anyway i find your project quite interesting actually. Will take a closer look when it's started within your 16 days countdown.
so do I, where cash is needed in my country. to meet daily needs, pay bills, or eat at a restaurant, fiat money is used. there has been no breakthrough from the government to announce the legalization of crypto use as a means of payment