Sunayna Tuteja, the Fed's first Chief Innovation Officer, joins the show in her first interview to discuss how the central bank is approaching the development of a digital currency, and how it plans to regulate cryptocurrency. Plus, the first Bitcoin-related ETF started trading in the U.S. this week. We'll tell you how it works and what's actually in it. All that and more on this week's Investopedia Express.

The Investopedia Express is sponsored by Ameriprise Financial Services.