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How to block websites from using your PC for Mining: A solution for Windows & Linux using Chrome & Firefox
Friends, while browsing a website I found a popup asking my permission to allow mining using my CPU.
Let's see how this will degrade my PC performance and eat my data too.

How to find out if my PC is secretly mining cryptocurrency?
Huge spike in CPU usage : Check for Chrome
open task manager

Here are a few ways you can block them:

1. Block or disable JavaScript in your browser settings. For instance, Chrome users can head to Settings = Content = 2. JavaScript, and toggle Allowed. Alternatively, add The Pirate Bay to your block list.
3. Use a script-blocking addon such as NoScript for Firefox or ScriptBlock for Chrome.
4. Specifically block the miner URL using an ad-blocker addon.
5. Visit The Pirate Bay using Tor or any other privacy-focused browser that uses script blockers.
We will see Each step one by one Now:

How to BLock Mining in Google Crome:
1. Use Crome Extension
A. No Coin
https://chrome.google.com/webstore/de...
B. minerBlock
https://chrome.google.com/webstore/de...


Use NoScripts in Firefox
https://addons.mozilla.org/en-US/fire...

Block using Ad Blocker:
In Chrome, for AdBlock, navigate to the list of extension and find AdBlock. There, look for Customize , Block an ad by its URL. Then, add the following text in the text box:

https://coin-hive.com/lib/coinhive.mi...

Block coin mining domains in hosts file
This is the manual way of blocking particular domains that you don’t find harmful or irritating. Due to such blocking, your browser won’t be able to connect to these domains. We can edit the hosts file and redirect it to 0.0.0.0.
In Linux, you need to open the hosts file by running following command and add 0.0.0.0 coin-hive.com to the end of the document:
sudo nano /etc/hosts

In Linux, run the following command:
sudo nano /private/etc/hosts

For Windows, navigate to C:\Windows\System32\drivers\etc and edit the hosts document to add 0.0.0.0 coin-hive.com at the end.
Open the hosts file as Admin in Windows 7,8,8.1
That's it
You have saved yourself
Thanks for watching