https://www.cnbc.com/2017/12/07/bitcoin-frenzy-like-dotcom-bubble-in-1995-digital-currency-investor.html

Investors should be careful of the euphoria that's propelled bitcoin to past $15,000 just hours after crossing $14,000 because it's very early days in cryptocurrencies, BK Capital Management founder Brian Kelly told CNBC on Thursday.

"If you look at the internet in 1995, that's where you are in digital currencies," said Kelly, portfolio manager for the BKCM Digital Asset Fund.