I've seen crypto mining scripts on sports streaming websites. Issues like permacookies and having half a dozen tracking scripts on a single page are pervasive,

I've seen crypto mining scripts on sports streaming websites. Issues like permacookies and having half a dozen tracking scripts on a single page are pervasive, even on "legitimate" websites. As for sniffing browser history, I know that it happens in the wild, but I don't know to what extent.