Listen now (82 mins) | You've seen the headlines. Bitcoin is gaining in value, and the sky's the limit. Of course, you're wondering if you need to jump onto the gravy train before it's too late. But you're a logical, thinking person. You've wondered why anyone would pay money for something that doesn't exist? Not in a physical sense, anyway. And what's the likely future for bitcoin? Will it keep its value? What are the risks facing bitcoin and the crypto market?