Goldman Sachs Considers Cryptocurrency, Beginning With Blockchain

Bubbles, bubbles, bubbles.

“Bitcoin today is in my view very clearly in a bubble,” said Séverin Cabannes of Société Générale SA.

Credit Suisse Group AG CEO Tidjane Thiam stated that bitcoin fits the “very definition of a bubble.”

It “will eventually blow up,” said JP Morgan Chase's famed bitcoin antagonist, CEO Jamie Dimon, at the Barclays financial service conference in September.

But then there's Goldman Sachs CEO Lloyd Blankfein.