What is the obstacles, challenges and problems that Bitcoin can face it in 5 years? How we can help Bitcoin to take more authoritative place in the world of currency system?
The thing is, the way Bitcoin was designed and built - makes it very, very improbable to imagine there being any feasible "obstacles" that will arise and threaten it's existence.
Bitcoin may one day be heralded as the 8th wonder of the world. It really is that great when you take a step back and really asses what has been built here.
Personally, I am not anticipating any insurmountable hurdles or challenges for Bitcoin in the future. There are just far too many incentives for the world's best minds to come together and hammer these issues out before they even become "issues." So, in my opinion, Bitcoin is on a clean and clear path and will continue to grow