Just want to share the details about the people who ever thinks that why we need to use just paper as currency and we all are working hard to get those paper.People claiming that bitcoin is not virtual so it cannot be considered as money or they call it as scam or ponzi but they are using just papers for centuries and those paper currency were made out of thin air.
This paper money has been around for hundreds of years, as a means of exchange and developed into a currency and has value. you're right this is an old-fashioned way, because this method was taken from the past, technological changes will definitely occur, but it takes a process, because the government is not likely to directly implement digital and virtual currency in their country, because of many things such as human resources who do not understand that