A lot of us has wondered about how fast the revolution of money is going at a speed. From trade by batter, to exchange, to blacksmith currency, to local coins, to paper money, to digital money(bank money) and now crypto currencies. If you see the evolution of bitcoin as a cryptocurrency, its really fascinating, from nothing to something, come to think of ethereum as the next most used and expensive cryptocurrency. So i urge my fellas(amigos) not to take crypttocurrency as a joke.
Take a look at some coins bellow.