News for hackers. Stuff that matters.
Re:Lessons on Bubbles from Bitcoin by hapnin on Wednesday April 11, 2018 @12:38AM (#16808079)
You can short Bitcoin on the Chicago Mercantile Exchange:

http://www.cmegroup.com/trading/bitcoin-futures.html

Re:Lessons on Bubbles from Bitcoin by lvturner on Thursday April 12, 2018 @10:32PM (#16826729)
But you can't... the future is a derivative of Bitcoin, not actual Bitcoin.