Bloomberg Opinion columnist Barry Ritholtz interviews Paul Vigna, a Wall Street Journal reporter who covers the cryptocurrency sector. His most recent book, co-authored with Michael J. Casey, is "The Truth Machine: The Blockchain and the Future of Everything." He and Casey also co-authored 2015's "The Age of Cryptocurrency: How Bitcoin and the Blockchain Are Challenging the Global Economic Order." See omnystudio.com/listener for privacy information.

Bloomberg Opinion columnist Barry Ritholtz interviews Todd Harrison, a founding partner and chief investment officer at the hedge fund CB1 Capital, which focuses on cannabinoid-based solutions and biopharmaceutical applications and therapies. Prior to his work with CB1 Capital, Harrison spent almost three decades on Wall Street managing risk and researching financial market strategies. He was also the founder and CEO of Minyanville Media Inc., an Emmy-winning financial media company covering global markets in real time.  See omnystudio.com/listener for privacy information.