One of the top entries in this article is a browser extension called minerBlock. It’s there to stop rogue websites using your browser’s JavaScript runtime for

One of the top entries in this article is a browser extension called minerBlock. It’s there to stop rogue websites using your browser’s JavaScript runtime for cryptocurrency mining. I don’t know much about mining, but in the era of ASIC miners, how much dollar value does a minute or two of JS mining in Firefox get you? How many visitors do these rogue sites get? It seems like a lot of effort to get a couple of cents for free, but I assume I’m hugely underestimating. I’m also still puzzled by why my partner’s MacBook was overheating last night, and wonder if I’ve just found out why.