Network effects isn't about adoption necessarily, its about defense. If a cryptocurrency is going to be mainstream, it will be bitcoin barring some massive self

Network effects isn't about adoption necessarily, its about defense. If a cryptocurrency is going to be mainstream, it will be bitcoin barring some massive self-inflicted wound or some new game changing technology. But adoption hasn't reached critical mass because there are still many usability barriers. Hopefully with segwit we'll start to see those barriers fall away.