all matters relating to legitimate transactions in a country, must be approved by the government, and all are also regulated by law. so we can't protest why paper is made money. if someday bitcoin is legalized by the government, it is not impossible if money is digital.
right, we live in a country so we have to follow the rules in that country. for now in my country I have not legalized crypto as a currency, so it is in accordance with government regulations where paper money is recognized for transactions