What is stopping people from using it is that the bitcoin is unpredictable, not stable and has a bad name because of the media that is talking bad about it these days.
instabilities become the most important point. Bitcoin is designed this way. Bitcoin digital currency is difficult to predict . Only those who dare to take a decision that will be used Bitcoin .
It is difficult to predict since people take this as investment. If most people will take this as currency I see people will much involved here since comfortability of doing money transactions is the priority of other people rather than investment.