https://www.cnbc.com/2017/10/31/bitcoin-cme-futures-approval-sparks-fears-of-financial-crisis-repeaet.html

Cryptocurrency traders were having a blast Tuesday after bitcoin gained approval in the futures market, but not everyone was in on the party.

After CME said it would launch bitcoin futures before the end of the year, fears quickly arose that money would start cascading in, sparking dark comparisons with a financial crisis-like orgy of speculation.