I've read numerous white papers on the technology and have been employed in the technology sector for 35 years. I tried my best to convince myself to jump in back in 2015, but couldn't.
Block Chain technology is for real and will be instrumental on many levels in the technology expansion front- Cryptocurrencies, not real.
If you got in early, got out, and made a bundle, congratulations, invest your winnings wisely (not in imaginary currencies).
This. BLOCK CHAIN technology, is where the future development lies- crypto currency that is attached to a block chain for transactions might have some value ie shipping costs etc.
I see the saturated market dying off and a handful prevail as relevant but not going to be as big as something with real explosive value say: crispers...