Price will always depend on its popularity, based on supply and demand not its existence. I do believe that Bitcoin can last long since it’s till gaining popularity, still gaining users and investors. It will likely stay for a while until a new digital currency dethrones. But that’s still a long way down the road. And it will not crash at a random time. If it did, there will be a rational explanation for it. It can be a discrepancy or an outside environs fucking up with it.