There are lots of ways we already use "needless" competition to establish a consensus (or any natural system, really). Perhaps Bitcoin is just a trading platfor

There are lots of ways we already use "needless" competition to establish a consensus (or any natural system, really). Perhaps Bitcoin is just a trading platform for that competition. If that's the case then I would be interested to see how the success of more efficient proof-of-stake systems like Ethereum 2.0 might increase the overall energy efficiency of our species.