Ron Quaranta, chairman of the Wall Street Blockchain Alliance, discusses the state of the blockchain world in financial markets and the surge in demand for bitcoin. Joseph Feldman, the senior managing director and retail analyst at Telsey Group, talks about how Best Buy was able to leverage both its physical and online retail channels to success. Carl Riccadonna, the chief U.S. economist at Bloomberg Intelligence, discusses key takeaways from the Fed minutes. Finally, Chris Strohm, a national security reporter at Bloomberg, says former FBI head James Comey's testimony faces White House roadblocks.

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