https://www.cnbc.com/2018/06/07/warren-buffett-and-jamie-dimon-on-bitcoin-beware.html

Two of Wall Street's harshest bitcoin critics say investors should remain wary of the cryptocurrency.

"I don't want to be a bitcoin spokesman," J.P. Morgan Chase CEO Jamie Dimon said in a rare joint interview with Warren Buffett that aired Thursday on CNBC's "Squawk Box."