Price higher than that of $70000 has been predicted to happen, but the same is quoted with deadlines as 2020. The predictions were made in accordance to the halving that is expected to take place by the particular year. So, if things happen as predicted for 2018 surely growth will happen further.
Yes.It take some time to achieve the raise. Everything is happening in bitcoin as the Eye closed beliefs of the Investors.In this year start the speculations was of 3000$ ,it was happened.Then the value raised to 5000$,it was achieved by bitcoin later on 10,000$ .Even that peak was reached by bitcoin. So as like that 70,000$ also achieved by bitcoin sure but it takes some time to reach.