I agree that Greed is its driving force but isn't all money like that? Volatility is Cryptocurrency's highest asset and it is still a baby as far as being a currency goes. Bitcoin is only the first mother of all coins but people should Invest in Alt coin concepts for companies that innovative using it to fund major life changing tech. Comparing Fiat coins to crypto is inaccurate because we have not seen its stabilized value yet. Bitcoin is expensive to move, lacks technology innovation and holds value through popularity. It has paved the way for other companies to take over so the next few years will be rather exciting