You can not say that this will not happen, I think that everything can happen and we need only wait for what will happen in the future. Just wait and time will tell you. To do this, there are many services for analysis.
It seems to me that no one at this moment can guess the object that will take the place of bitcoin. Now we need to really just wait, time will tell. Or you can invest in every project that offers high hopes, but it's not rational. 