"This past weekend, Showtime websites were found to be running a script that allows the sites to mine visitors’ extra CPU power for cryptocurrency"

TV:

The script mines the cryptocurrency known as Monero.

...

Thirty percent of the proceeds go to Coinhive, while sites using the service, like Showtime and The Pirate Bay, keep the rest. For its part, The Pirate Bay has apologized for secretly running the script and then asked its users if they preferred ads or CPU mining.

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Coinhive updated its site to include the statement: “We're a bit saddened to see that some of our customers integrate Coinhive into their pages without disclosing to their users what's going on, let alone asking for their permission

Giz:

We reached out to Showtime earlier this afternoon to ask if this script was included intentionally or if an outside actor had perhaps hacked its website. After multiple attempts to get an answer, a spokesperson for Showtime bluntly replied, “We decline comment.”