At best these browsers are going to have some efficient CPU implementation.

Means absolutely nothing in context to what I said, or any information contained in this article. Does not relate to anything I originally replied to.

Scrapers can send these challenges off to dedicated GPU farms or even FPGAs, which are an order of magnitude faster and more efficient.

Not what's happening here. Be Serious.

I would prefer if you would just engage with my arguments.

I did, your arguments are bad and you're being intellectually disingenuous.

This is very condescending.

Yeah, that's the point. Very Astute