Hype. Useful technologies see widespread adoption because of their utility. If something is useful it will get used. Bitcoin seems to have a number of advocate

Hype. Useful technologies see widespread adoption because of their utility. If something is useful it will get used. Bitcoin seems to have a number of advocates, but the number of use cases actually seen in the field are not growing as rapidly. A significant cohort of people on HN are likely more interested in the practicality of a technology as it can be applied to problems they have an immediate need to solve.