Do you think that bitcoin could be replaced by another crypto currency in the future? And why?
It is very difficult for other digital currency to replace bitcoins because of the very huge gap of value between altcoins and bitcoins. In addition, bitcoin already earned its great reputation and trust from the people in which in return people are most convenient and confident to pour their investments to bitcoin than the altcoins. Think also that even you have keep a lot altcoins still in the end you will going to trade it to bitcoin for fiat and that makes bitcoin more strong and stable.