I am not use and I don't know how to use crypto every time for our daily day activities ? I only use bitcoin and cryptocurrency for transaction and make investment or trade to get profit, I don't know bitcoin or crypto have useful for daily activity.
This is exactly like using you paper money. This is a currency in places where it has been recognized as currency and is accepted as medium of exchange. You can buy milk with the cryptocurrency you hold and can use it to pay your utility bills.
Besides, it is a store of value which enables you to store wealth and the addition of the value to the money stored in the form of cryptocurrency is also more than what you might normally get in banks. So there are numerous uses of the crypto currencies that cannot be avoided for long.