Currency is a unique concept to think about.  From fei, to dollars, to gold, it is a hard thing to really think about. People do not even see most of the money they own the closest they get to seeing it is the ATM slip with their current balance on it. People believe that they have as much money as their bank account says, but in reality they cannot spend their paychecks without cashing them into the bank. From reading about fei and about the Federal Reserve Bank transferred gold to the Bank in France I have realized that these two events are the basis on what the bank systems use. With the Germans taking the fei and putting their names on it, then when they got what they wanted which was the repaired path they took their names (the black cross marks) off of the fei .  Same with the Federal Reserve Bank they just took their gold and put it in a drawer and labeled it “French”. I am dumbfounded because that is how all money is, and people cannot do anything about it unless they have every single dollar out of your bank account in your possession, like in your closet or something. You have to trust in the bank that all your money is in their though, because your not going to see it, and it really is believing in what you cannot see. By believing in your bank credit cards and debit cards are a huge asset because you will not need to carry around any cash and can have all of your money with you in your wallet. One plastic card will be able to replace all money, most people do not even pay cash anymore. Vending machines, parking meters, and many other machines that used to only take coins and dollar bills are now using credit and debit cards. Dollar bills and coins will not be a necessity, credit cards and debit cards will take over as money.