Did you know that some websites are using your computer to mine cryptocurrency?

We analyzed our entire index of 175M+ domains to find out exactly how many.
I’ll be honest, up until a few weeks ago, I didn’t know there was such thing as a “crypto mining script” that can be installed on your website.

So let me briefly explain how crypto-mining scripts work. (I’ll try to keep it simple.)

For cryptocurrencies to function, complex computational calculations have to be continually carried out; this process is called mining.

Mining is carried out by miners, who earn cryptocurrency by doing so.

It takes a lot of computational power to mine cryptocurrency, which means a lot of energy.

Because energy costs money, some websites install scripts that effectively utilise your computer’s energy to mine cryptocurrency on their behalf.

So, the longer you have their site opened in your browser, the more coins they earn using your computer’s energy. (Clever, right?)


It’s not always the website owners who install these scripts; many are simply hacked.

Since cryptomining is such a hot trend right now, we thought it would be interesting to find out not only how many sites in the world have crypto-mining scripts installed, but also how many have enough traffic to make this a worthwhile endeavor.

Crypto- mining study.

A picture taken on February 6, 2018 shows a visual representation of the digital crypto-currency Bitcoin, at the “Bitcoin Change” shop in the Israeli city of Tel Aviv. / AFP PHOTO / JACK GUEZJACK GUEZ/AFP/Getty Images

Let’s get to the results!

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