What are the risks to bitcoin?

Описание: Nothing is perfect or guaranteed. We’re on Earth and we’re all imperfect humans. Even bitcoin had and probably still has some flaws. It started with an inflation bug. It started with no block size limit. Bitcoin had major issues when it first started, and it could have major issues today nobody can see yet. Obvious ones are scaling and privacy. While these aren’t going to make bitcoin extinct, they do make bitcoin not as good as it could be.

But what are the real potential risks to bitcoin? How could bitcoin fail? What could end NgU technology?