A recent article intrigued me with its assertion that it is better to understand Bitcoin as gambling than investment: “An asset that never pays a dividend but has a price that keeps rising is a bubble. An investor can believe Bitcoin is a bubble and rationally invest so long as she expects to sell out before the bubble pops. But that isn’t investing; that’s gambling, and it’s a zero-sum game.” Being largely unfamiliar with Bitcoin and cryptocurrencies, I wanted to think …