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Opera adds Bitcoin mining protection in its mobile browsers

January 22, 2018 • Mobile and Telecoms, Online & Social, Security, Top Stories

Opera adds Bitcoin mining protection in its mobile browsers

Opera adds Bitcoin mining protection in its mobile browsers.

Opera announced on 18 January 2018 that it is adding protection against cryptocurrency mining scripts to all its mobile browsers, which according to the company, will aid in protecting hundreds of millions of smartphone browser users. The announcement came after the company recently added the protection to its desktop browsers, becoming the first major internet browser to do so.

Cryptocurrencies, like Bitcoin, have become a hot topic and, with their surge in value, so has the mining for new coins, known as cryptocurrency mining. While some use their own data centers, many web developers are increasingly using people’s computers and smartphones for this – often without their consent. The phenomenon is estimated to be affecting more than a billion people worldwide, causing their devices to run warm, become slower and eat up their batteries.

“When you browse the web, there are no visual clues that your device is exposed to mining,” says Jan Standal, VP Product Marketing at Opera “A single webpage you visit can take up to 4.5 hours of your battery time, if you keep the tab open. This often turns out to be just the battery time you needed to use a ride-hailing app or check the map to get home”.

According to some reports, there are currently more than 3 million websites exposed to cryptojacking, so the need for extra protection is bigger than ever. By blocking mining scripts, Opera ensures that its users’ smartphones continue to run smoothly and that they have enough battery life for the things they really want or need to be doing.

How does it work?
The new anti-cryptocurrency mining feature is activated by default when activating the ad blocker on Opera Mini and Opera for Android. The ad blocker can be enable in “Settings”, and it will automatically detect and stop the mining scripts written into the coding of a webpage.

Check whether your browser is affected by cryptocurrency mining
To make it easier for you to tell whether your browser is affected by unwanted crypto mining, we have created a website which safely checks just that. Simply go to www.cryptojackingtest.com on your mobile or desktop browser to see if your device is impacted by mining.

Testing and results
After several tests of the Opera browsers for smartphones performed on Samsung Galaxy S8 and HTC One, developers at Opera determined that scripts mining for cryptocurrencies can increase the smartphones’ CPU usage up to 100 percent. This can cause increased battery draining and make the phone overheat.

After testing Opera Mini and after activating the ad blocker on Opera for Android, we found that some phones were able to recover 100% of their CPU usage.

Where to download?
Opera Mini and Opera For Android are available for download on Google Play.

Edited by Dean Workman
Follow Dean Workman on Twitter
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