Bitcoin is a big deal. It's almost impossible to turn on the TV without seeing the virtual currency discussed from yet another angle. Even noted economist Paul Krugman is talking about it, calling Bitcoin "evil" right in the headline.

Krugman's ethical discussion is interesting, but it doesn't cover what investors really want to know: Should you treat Bitcoin as a serious investment right now? Could Bitcoin be the "sin stock" of the decade?

In the video below, Fool analyst Anders Bylund explains why Bitcoin is more of a toy and a trend than a serious investing vehicle today. Spoiler alert: The most volatile stocks on the market look downright sleepy next to a one-year Bitcoin chart.

Fool contributor Anders Bylund has no position in any stocks mentioned. The Motley Fool recommends SolarCity and owns shares of SolarCity. Try any of our Foolish newsletter services free for 30 days.

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