Pirate Bay and Showtime turned to forcing unknowing visitors to mine cryptocurrency, using computers rather than eyeballs on ads to generate money.
With the continuing collapse in online advertising revenues, websites are turning to other methods to pay their hosting bills – including using visitors’ computers and phones to mine cryptocurrency.
It’s a controversial practice, with some likening it to running malware on visitor’s computers, but it is a potentially lucrative endeavour for websites.
The downside is that at best it slows down visitors’ machines, and at worst it can also drain their batteries or send their electricity bills soaring.
BitTorrent search engine The Pirate Bay, and US video streaming service Showtime, are two sites that were discovered to be sending mining code to users.
The latter removed the code on Monday, shortly after a user noticed it and specialist press began reporting.
Not only is it expensive to buy those computers, it also consumes a huge amount of electricity to run them. »