Does it make sense to believe that Bitcoin could one day be replaced by another cryptocurrency, that is, a cryptocurrency that really does make Bitcoin obsolete?
It does make sense actually. Because there's no permanent in this world. Those who used to rule can go down to a lower level it's just a matter of a bad turn of things or fate. Everything has a possibility. In case of bitcoin, it might be replaced by any other cryptocurrency present right now or by one that is about to be developed yet. But that is I guess not gonna happen right now nor in the near future.