Crypto is digital and it doesn’t work like you think it does. It can only be used online and not offline like you would do when using fiat. Fiat is different and can be used both online and offline. Offline is cash while online is using a bank app to send and receive money and also pay your bills.

I can remember that Xapo tried to do something like that back then when I joined new on crypto and they put an option for users around the world to pay bills and buy airtime for their phone.

But I did that and it never worked, I didn’t receive any airtime at all. I also reported to them and they didn’t solve the issue… whatever, it was just a little amount.