The complaining about ETH/BTC environmental cost is probably the lamest anti-crypto argument. It's just this beaten to death: https://slatestarcodex.com/2014/08

The complaining about ETH/BTC environmental cost is probably the lamest anti-crypto argument. It's just this beaten to death: https://slatestarcodex.com/2014/08/14/beware-isolated-demands-for-rigor/ https://slatestarcodex.com/2014/08/14/beware-isolated-demand... With the coming proof-of-stake it won't even be true (at least for ETH).