Yes, it's speculation. Most of the money being put into bitcoin isn't being put in it to do anything with it, it's just going in on the grounds that people will keep putting money in so it's a good investment. In terms of intrinsic value deriving from its real and potential functionality, the problem bitcoin has there is that every functional purpose it has can be done more efficiently or effectively by alternative cryptocurrencies, or that the added features using a cryptocurrency offers aren't necessarily worth the overhead to alternative or conventional approaches in the first place.