The consensus part of 'Proof of Stake' systems is crazy complicated, and there really has been no simple way of doing it determined yet. It's still very much an

The consensus part of 'Proof of Stake' systems is crazy complicated, and there really has been no simple way of doing it determined yet. It's still very much an experiment. Proof of work on the other hand is an order or magnitude simpler, and has worked for the past 10 years and is pretty battle hardened at this point with everyone trying to attack it. I don't know how well the 'consensus nodes' would fair under the same pressure.