2009 the epic year for bitcoin, bitcoin has always been in controversy because of its volatile nature as its valuation keeps on flactuation with time and when valuation deflates, people starts calling it scam or a bubble that would burst soon and when it was new a decade ago everyone was calling a scam but then bitcoin has made tremendous progress and have learnt a lot from the success stories of bitcoin billionaires and after facing so much obstacles in its path it is now in the top of crypto ranking and in future it will definitely end up being declared as a central currency world wide.