Earlier quoted context omitted.
Ethereum miners were using GPUs. AMD, Nvidia, and others. They could switch their GPUs from mining ethereum which is about $1500 per coin to Ethereum classic but that is only about $40 per coin. I’d guess that wouldn’t be worth continuing with since it would be much less than than their electricity bill. They could sell their GPUs on EBay or other secondary markets, switch to protein folding, cloud-based password cra…
In case of Ethereum that wasn't true afaik, a lot of it was mined in the US for example. Since Ethereum wasn't all ASICs like Bitcoin, there was more decentralization in that sense with individuals running miners from home, not always at the highest efficiency. Your first paragraph is correct regarding profitability for most miners though, based on the numbers I've seen. One thing that I find interesting in the elect…
Video games' secondary impacts to simulation, film making, and modeling have and will provide more benefit per energy used than any proof of work system ever will.