Bitcoin can be used to pay for things electronically if both parties are willing. In that sense, its like conventional dollars, euros, or yen, which are also traded digitally.
But is it differs from fiat digital currencies in several important ways?
Have you ever been to the bank with a bank check?
How many hours did the bank take to allow you to withdraw money by bank check?
I do not know how it is in developed countries, but in my country there have many people in the banks, it becomes a big nightmare when I think about going to the bank. it takes more than 2 hours on average for bank employees to serve people. imagine staying 2 hours in a small room with many people waiting to bank employees. The bureaucracy that exists in the banks is very big and is a big headache.
whereas with cryptocurrencies we have no bureaucracies. everything becomes simpler