I'm personally not sure why Crypto isn't going mainstream yet since i hear it all over the news.
I recently read an article from TheNextWeb and they mention Bitcoin and Ethereum will be everywhere? - Heh how soon will that be.
If you want to read about it, here's the link:
https://thenextweb.com/contributors/2017/09/29/bitcoin-ethereum-will-soon-everywhere-reals/#.tnw_QPO9ybFP