You don't. Even if you think you do, you don't. Feel free to use it as you would any currency, but making money off it? That ship sailed.

And here's how you know. Are you familiar with these groups called "cartels,"? Are they known for not liking money, or not wanting to launder the money they already made? Well, since they aren't running massive mining farms, then it's a safe bet you shouldn't be either.