When you introduce a new commodity, like Bitcoin, there will be a speculative period like this. Nobody knows how useful it is, how much people will like it. Ho

When you introduce a new commodity, like Bitcoin, there will be a speculative period like this. Nobody knows how useful it is, how much people will like it. However, they are guessing that in the future, as more people hear about it, more people than now will use and like it. At some point this growth curve of speculative investment will peak. The utility-for-transactions curve will "catch up with" it. Of course, that stability will in and of itself make it more viable and hence more valuable, so it is all told quite a complex dynamic, as that affect will need to be factored in by investors ahead of time.