Bit coins:An innovation whose time has come

Bit coins are an internet currency which also doubles as an international currency.The need for an international currency is dominant.Hence,this is an innovation,whose time has come.It is a typical example of the Innovation tool,DMP Challenge.The value of such a currency is that it can be utilised without the limitations of national currencies and exchange rates.
The underlying block chain technology can also bring about a paradigm shift in person to person collaboration and transactions.