For the whole 1 decade Bitcoin remain on top on digital currencies, despite of having a lot of criticism and FUD in it.
Bitcoin doesn't affect by this rumors and hearsay. Instead, a lot of investors believed in the potentiality of Bitcoin in terms of this
business.
Of course bitcoin is still the main one. for the next few years bitcoin will still remain king. there are no coins that can compete with bitcoin. that's the fact
people believe in bitcoin because bitcoin was first known and has more than half of cryptocurrency users.