Doesn't matter as long as the real money is not disappearing from my wallet
But, assuming you are like the vast majority of people, most of you money is virtual in bank accounts and such. There doesn not exist enough physical currency to back all the virtual money in the accounts.
But, assuming you are like the vast majority of people, most of you money is virtual in bank accounts and such. There doesn not exist enough physical currency to back all the virtual money in the accounts.