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Chrome Web Store bans extensions that mine cryptocurrencies

The Chrome Web Store is breaking up with cryptocurrencies. (Logos: Chrome Web Store and Bitcoin. Image: Self)
The Chrome Web Store is breaking up with cryptocurrencies. (Logos: Chrome Web Store and Bitcoin. Image: Self)
The Chrome Web Store has updated its policy concerning extensions with crypto-mining scripts, outright banning such extensions from the store. Any existing extensions that can be used for mining cryptocurrencies will be removed by the end of June 2018. While the policy will prevent future extensions that are obviously used for crypto-mining, it remains to be seen if this will solve the problem of surreptitious mining scripts hidden in otherwise innocuous extensions.

Attention, Chrome users: the days of mining cryptocurrencies through your web browser are quickly drawing to a close. Yesterday, Google announced that they would outright ban any extension that used the system resources for mining cryptocurrencies of any kind.

Up until this announcement, the Chrome Web Store’s official policy allowed for crypto-mining extensions given that mining was their sole purpose and users installing the extension were explicitly aware of the extension’s purpose. Of course, the Internet being the Internet, few developers of crypto-mining extensions actually followed this policy. James Wagner, Chrome’s Extension Platform product manager, stated that “approximately 90% of all extensions with mining scripts that developers have attempted to upload to Chrome Web Store [sic] have failed to comply with these policies.” The offending extensions were either rejected or removed from the Web Store.

In response to the rapid rise in extensions with mining scripts (either blatant or surreptitious), the Chrome Web Store issued an outright ban on any future extensions with such a script. Extensions with these scripts already on the Web Store will be removed by this June. Wagner did say that other extensions used for blockchain purposes other than cryptocurrencies will remain active and available.
While this move will cut mining extensions that are upfront about their purpose, it remains to be seen

whether or not this new policy will counteract mining scripts that are hidden in other scripts. Recently, some otherwise unassuming extensions have either been hijacked by crypto-mining malware scripts or embedded mining processes deep within the extension itself. Back in January, Opera (a competing browser built on Chromium) instituted built-in protections against crypto-mining scripts in their desktop and mobile browsers. Google may do well to follow in their footsteps with a future Chrome release.

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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2018 04 > Chrome Web Store bans extensions that mine cryptocurrencies
Sam Medley, 2018-04- 3 (Update: 2018-04- 3)
Sam Medley
Sam Medley - Review Editor - @samuel_medley
I've been a "tech-head" my entire life. After graduating college with a degree in Mathematics, I worked in finance and banking a few years before taking a job as a Systems Analyst for my local school district. I started working with Notebookcheck in October of 2016 and have enjoyed writing news articles and notebook reviews. My areas of interest include the business side of technology, retro gaming, Linux, and innovative gadgets. When I'm not hunched over an electronic device or writing code for a new database, I'm either outside with my family, playing a decade-old video game, or sitting behind a drum set.