An anonymous reader writes: Google Chrome engineers are considering adding a special browser permission that will thwart the rising trend of in-browser cryptocurrency miners. Discussions on the topic of in-browser miners have been going on the Chromium project's bug tracker since mid-September when Coinhive, the first such service, launched. "Here's my current thinking," Ojan Vafai, a Chrome engineering working on the Chromium project, wrote in one of the recent bug reports. "If a site is using more than XX% CPU for more than YY seconds, then we put the page into 'battery saver mode' where we aggressively throttle tasks and show a toast [notification popup] allowing the user to opt-out of Battery Saver Mode. When a battery saver mode tab is backgrounded, we stop running tasks entirely. I think we'll want measurement to figure out what values to use for XX and YY, but we can start with really egregious things like 100% and 60 seconds. I'm effectively suggesting we add a permission here, but it would have unusual triggering conditions [...]. It only triggers when the page is doing a likely bad thing." An earlier suggestion had Google create a blacklist and block the mining code at the browser level. That suggestion was shut down as being too impractical and something better left to extensions.
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