This experiment in crypto currency has made me see the value in fiat money, which is probably the opposite of the desired effect. At the end of they day, these

This experiment in crypto currency has made me see the value in fiat money, which is probably the opposite of the desired effect. At the end of they day, these digital monetary schemes have become less of a currency and more of a commodity. Can someone explain to me why I should be less jaded about crypto currencies?