Lots of comments here mention bitcoin. Here's something funny: the author of the paper mentioned in the article owns a website called Digiconomist[0], which see

Lots of comments here mention bitcoin. Here's something funny: the author of the paper mentioned in the article owns a website called Digiconomist[0], which seems to have been exclusively focusing on "environmental impact of cryptocurrency". Their latest article is about AI. Looks like a pivot to me. 0: https://digiconomist.net/ https://digiconomist.net/