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Will another significant website be outed for on-the-sly in-browser cryptocoin mining By Nov. 15?

Since mining cryptocurrency can essentially convert CPU/GPU time into money, and browsers will tend to run whatever javascript programs are handed to them, there is the possibility of sites using visitors' computers to mine cryptocurrency.

In two recent incidents, the Pirate Bay was revealed to be mining bitcoin in lieu of ads, and Showtime's site was found to be mining Monero coins (probably not with the company's knowledge.)

Will there be another media-reported incident in which a website is revealed to be surreptitiously mining cryptocoins?

Resolution is positive if by Nov. 15 a credible media story or other report points to an event in which a website is found to have been mining cryptocurrency with no onsite indication that it is doing so. Website must register at rank < 2000 on Alexa's rankings (chosen to include PirateBay and Showtime.)


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Predictions are the heart of Metaculus. Predicting is how you contribute to the wisdom of the crowd, and how you earn points and build up your personal Metaculus track record.

The basics of predicting are very simple: move the slider to best match the likelihood of the outcome, and click predict. You can predict as often as you want, and you're encouraged to change your mind when new information becomes available. With tachyons you'll even be able to go back in time and backdate your prediction to maximize your points.

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Metaculus help: Community Stats

Use the community stats to get a better sense of the community consensus (or lack thereof) for this question. Sometimes people have wildly different ideas about the likely outcomes, and sometimes people are in close agreement. There are even times when the community seems very certain of uncertainty, like when everyone agrees that event is only 50% likely to happen.

When you make a prediction, check the community stats to see where you land. If your prediction is an outlier, might there be something you're overlooking that others have seen? Or do you have special insight that others are lacking? Either way, it might be a good idea to join the discussion in the comments.