Bitcoin is new form of payment. We are using traditional way of payment. When card payment launched by banks then it took a long period for regulate in market. So assume result for Bitcoin taking as currency is in hurry now. We should give more time to Bitcoin to proof it's success. I think it can good option for online international transaction.
Exactly. Every thing takes time to establish its name in the market . So is the case with BITCOIN. Right now it is a growing period of BITCOIN as well as CRYPTOCURRENCY . Therefore it is not right to judge its success at the moment.