https://www.cnbc.com/2017/10/09/bitcoin-price-bubble-will-collapse-kenneth-rogoff-predicts.html

The price of bitcoin will "collapse" as cryptocurrencies face continued regulatory pressure from governments, Harvard economist Kenneth Rogoff said Monday.

"My best guess is that in the long run, the technology will thrive, but that the price of bitcoin will collapse," Rogoff said in an article for The Guardian and Project Syndicate.