ICO tokens. You describe an idea, provide no technical way forward, publish a token, and if you're lucky people start speculating on that token and you get craz

ICO tokens. You describe an idea, provide no technical way forward, publish a token, and if you're lucky people start speculating on that token and you get crazy amounts of funding. Then just live on that money for a couple months before announcing that the project has failed, the tokens crash, if you feel nice you can buy them back at that point. I.e. the spades are the ICO scams.