Cryptojacking is simply the use of someones computing device to secretly mine a cryptocurrency. Most times these hackers secretly install software in the victims’ computer without their approval.

As an end user, it is quite annoying when someone is using your CPU to mine illegally while you battle with slow processing time from your system. Sometimes your computer could get very hot and worked up. Recently Tesla was cryptojacked and paid RedLock the sum of $3,133.70 (£2,243.73) for exposing their security flaws. see details on Tesla

I will show you how to curtail such illegal activity.

The miner on his own part sees it as a victimless crime. The return of this, is hard earned currency at the price of an anonymous person. I wouldn’t say it is that easy for the miner. Every good thing has its price. That’s if I am permitted to call it good.

Recent research has shown that in-browser cryptojacking doesn’t necessary need installation of any program.


What is In-browser cryptojacking?

In in-browser Cryptojacking, JavaScript is use for mining cryptocurrencies.

Almost everywebsite works with javascript. This is why hackers don’t need to install any software before cryptojacking. They just use the already installed javascript to mine.

Principles of Cryptojacking

Listed below is a sequential manner in which cryptojacking is been carried out:

  • An anonymous person eventually visits a website been controlled by the miner. It mustn’t be done through visiting a site. It can also be through subscribing or patronizing services controlled by hackers.
  • The hacking Script(coinhive) is loaded. It could be some other Client side JavaScript.
  • Mining activity is activated. The users sytem is been put to work. One of the most popular cryptocurrencies that could be mined through coinhive is Monero.
  • The hackers wallet is been credited with mined cryptocurrencies. This is the last stage. After the hacker must have used your processor to mine cryptos, he finally gets his dividend.

People patronizing this business normally targets website with high traffic. Site with high traffic tend to give good returns. According to torrentfreak pirate bay will yield around $12,000 per month. Pirate bay is a site that gets roughly 315 million views per month.

Website with good contents that could stage users for a longer time is also good. Cryptojacking could do perfectly well in such sites. While users are busy with site contents, miners will have a longer time for mining.

How to prevent CryptoJacking

If you want to be on a safe side or be sure that you are not been cryptoojacked. Simply go to your extension(in your browser) and download the Adblock plus extension. Type Adblock plus and install as shown below.


Click on ‘add to chrome’. This could also be done using other supported browsers. After clicking on ‘add to chrome you should see an acknowledgement page as shown below.

cryptojacking 2

After this, go to your ‘extensions’ click on options under the ABP extension

Cryptojacking 3

The option button takes you to the page below

cryptojacking 4

Click on “add your own filters”. In  the text field that appears enter ||

cryptojacking 6

Finally you click on Add filter. You are good to go.

How to Prevent Cryptojacking with Opera

Opera users can avoid this by downloading the latest version of opera and activating the built –in ad blocker with cryptocurrency mining on. This newly updated feature will keep you safe.

This is a new feature designed by opera. It is totally free.

itunes card

My Conclusion

I believe cryptojacking has been in existence for some time. It is becoming popular after the increase in the value of cryptocurrencies. It is quite lucrative but not a legal way of making money. I wouldn’t advice it. The knowledge of it is quite good.

Please share this page if you have learnt something through it.



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