I see that the more bitcoin the more users seen from the significantly increased bitcoin price increase, is this a sign that bitcoin will soon become the future virtual currency?
yes there's a great possibility to that, because now bitcoin has the most highest value among all, and it is the most well known among all crytocurrency , it has also the greates number of investors nowadays, and I think that someday, more and more people will get interested on it, they will also invest and make an earning to it, the bitcoin earners population will be huge.
There is a possibility, but other crypto-currencies appeared with the same possibility as bitcoin. It all depends on what the users will choose.