Bitcoin has had quite a few days. Its price soared to more than $15,000. And as of this week, investors can trade bitcoin futures on the public market — the Chicago Board Options Exchange launched bitcoin futures yesterday, and today's the first full day of trading. What's behind the incredible increase? Kevin Werbach, a professor at the University of Pennsylvania's Wharton School, has a few theories. He talked with Marketplace Tech host Molly Wood about bitcoin's rise and what might happen if, and when, the bubble bursts. Below is an edited portion of their conversation. (For our guide to all things digital currency, click here.)
Molly Wood: What's going on here?