https://www.cnbc.com/2017/09/14/bitcoin-fans-fire-back-at-jamie-dimon-after-fraud-comment.html

If JPMorgan CEO Jamie Dimon was trying to set off the bitcoin community with his criticism of cryptocurrency, he succeeded.

On Tuesday, Dimon called bitcoin a "fraud," described it as "not a real thing" and said, "someone is going to get killed."