What, externalities like energy waste? If that's the case, why target ETH, isn't ETH going to Proof of Stake soon?[1] I admit I don't really know if what Nvidia

What, externalities like energy waste? If that's the case, why target ETH, isn't ETH going to Proof of Stake soon?[1] I admit I don't really know if what Nvidia is targeting applies to both pre-merge and post-merge ETH [1] https://news.ycombinator.com/item?id=27194586 https://news.ycombinator.com/item?id=27194586