Ok, but understand I do not have any opinion on whether or not this will work. My best guess is that this is a dev toy intended to crowd-source creativity and in an effort to spread the protocol as fast as possible. This can't be a mine-for-profit device. 21 Inc knows this. They have been mining, and I think that their hash power plus the pool created by this device is to solve blocks that will contain all these micro transactions that aren't paying fees. You can't have microtransactions unless you can have miners that want to include them, and this looks like both in one. If 21 Inc solves microtransactions this way, BOOM; you have a worldwide transactional ledger that every computer has read/write access to. It seems a musician could create a song, and people that play the song could pay the artist and the people that host it as it is played. Or you could trade your dollars for orange futures on your PC. This is the thing, three pages down: