>Bitcoin solves a problem which is not actually a problem in real world.

Well, it solves more than one problem, and a few of them are certainly real-world.

>However using it as a currency in this kind of implementation with complete disregard to anything else doesn't work in the long term.

Would you care to expand on what you mean by "complete disregard to anything else"? I mean, clearly this is hyperbole, but I'm curious what you are referencing specifically.