I don't think that bitcoin is a gamble because looking at all the induces Bitcoin has really come to stay so you saying that Bitcoin is a gamble is not true anyone still seeing bitcoin as a gamble is not facing reality on ground Bitcoin has been regulated and has been passed as a bill making it legal to deal so you can't be calling that kind of a thing a gamble, the certainty of  Bitcoin is so sure as the days go by with different countries legalizing and adopting Bitcoin everyday that us to tell you how Bitcoin has been valued in the world today