I think that bitcoin will still gain popularity over the years.But it will depend on the demands and the consumers wants that bitcoin will still be up high.And how a country would be towards bitcoins because some are still prohibiting bitcoins.
It will not stay for long because bitcoin will become welcome to almost all the countries in our world in the future. Maybe bitcoin is prohibited in some of the countries but if they will see that bitcoin is doing good in the market and still strong and kicking in the whole market of cryptocurrencies then they will get interested in bitcoin and adopt it.