I think bitcoin digital currency is best at this time. bitcoin has had enormous support in world financial markets.
even today bitcoin will continue to grow until won the trust of the government of a country.
I think you right, bitcoin is growing up until now. but I think very difficult goverment will accepting bitcoin because bitcoin most using in illegal activities. many article said bitcoin is used in illegal activities so I will difficult. in other I think bitcoin can be used to good activities in daily life.