That was long 
Money must be produced with similar value of its face value, otherwise it is just a IOU promise. However, since value is all subjective, the subjective measure of an IOU's value thus is based on the creditworthiness of the issuer
Money in this world is the most important thing living without money your nothing and money motivate a lot of people to work and money is the reason why we want to have a high professional because they want a higher return of money in the equivalent of there work. Money runs everything thing in this world.Money must be produced with similar value of its face value, otherwise it is just a IOU promise. However, since value is all subjective, the subjective measure of an IOU's value thus is based on the creditworthiness of the issuer