No, the answer is Jamie Dimon, who in an angry outburst during the same conference in which he preannounced JPM's 20% trading revenue drop, lashed out at the cryptocurrency, calling it a "fraud" which is "worse than tulip bulbs. It won't end well", will "blow up" and "someone is going to get killed." Oh, and in conclusion, "any trader trading bitcoin" will be "fired for being stupid."

DIMON: BITCOIN IS A "FRAUD"; "WORSE THAN TULIP BULBS"
DIMON: BITCOIN WILL EVENTUALLY BLOW UP
DIMON: BITCOIN WON'T END WELL
DIMON: WOULD FIRE ANY TRADER TRADING BITCOIN FOR BEING STUPID
So how does Jamie really feel? 

Of course, if "a trader" bought $100,000 of Bitcoin in 2010, they'd be roughly 3x richer than billionaire Jamie, but that's another story.

What is more surprising, is that bitcoin actually reacted to this angry outburst by the JPM CEO, sliding sharply, and dragging the entire cryptocurrency space with it.