It even reached $20,000 in other exchanges in December of 2017. There is no reason why it cannot go beyond that within January of this year. There is no problem on the way for Bitcoin right now. Of course the old concerns about relatively high transaction fees as well as occasional delays in confirmation time are old problems that have proven to be a problem to many but not to the rest. Proof of this is the continually increasing Bitcoin value despite these problems still present.