"Having alternative currencies is great, right, because, historically, government's had a monopoly on currency. … At the end of the day, why should only politicians—either directly or indirectly—control the currency? We can reduce transaction cost, provide an alternative, and—look, I don't know whether it'll be Bitcoin or not—but I think the concept of digital currencies is here to stay, and the fact that a politician would write to try to ban them in their infancy is just the wrong way to go about it. Let the market determine whether there's any value there or not. … If people are saying, "Look, we gotta ban Bitcoin because it's somewhat anonymous and anonymous transactions can occur," or "because it's possible for criminals to use it," all of those arguments can be used to say, "Just ban dollars." … The government doesn't need to "treat" it [Bitcoin] at all. … The government policy should be completely agnostic about what unit of exchange is used."