Bitcoin is most famous example of an emerging technology network with the potential to improve banking. It belongs to the new type called crypto currencies, i.e. decentralized, secure money storage and money transfer enabled by the Internet..Disruption can be a good thing, especially when it affects banking, a failing set of business models which, for all the tweaks, have been virtually unchanged for millennia. Paradoxically, some banks are afraid of Bitcoin because it would force them to innovate.