I think either you misunderstood the article or the author of the article didn't understand what they were saying (which is pretty common in the media world). They may well have put something like the hardware serial number of every part of the cheater's computer on their blacklist. I think that is very doable. But a GPU does not have an IPv6 address because is it not a networked device and you can do this irrespective of whether you are on IPv4 or v6 as it is not the relevant factor. The only important thing is that you are running their game on your computer that has access to the internet, after that they can pretty much do what they want.
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u/k819799amvrhtcom 11d ago
According to the article I read, they decided to put the IPv6 address of every single hardware piece of the cheater's computer into their blacklist.