Warning – Web Coin Mining on Your PC

For normal physical currencies, each country has an appointed currency maker – such as The Royal Mint in the UK that makes currency for the UK and several other counties. But with cyber currencies – who makes it and how?

The creation of new coins is called “mining” and involves large amounts of computer processing and this increases as more currency is created. For Bitcoin, the effort involved in making new currency means very few can manage it.

But, if you could somehow spread that computer processing demand out among thousands or even millions — of unknowing user’s computers, it would make mining a lot cheaper and possibly quicker.

This is exactly what some websites are doing. They use your CPU to mine cryptocurrencies like Bitcoin without your knowledge.

This can happen to you simply from visiting a website that uses JavaScript to start using your CPU for processing.

There are other methods but this is the most common and can be avoided if your browser has JavaScript disabled – but that will also block the functionality on some popular websites.

How to know if this has happened to your computer?

It’s not easy to identify unless your PC is suddenly very very slow and the CPU seems extremely busy while doing nothing.

Some websites can quietly use your CPU to mine cryptocurrency and they limit they effect on your work so you wouldn’t know unless you went out of your way to find out.

On a windows PC you can press CTRL, ALT and DELETE at the same time then select Task manager and see the CPU utilisation levels.

But if in doubt, the easiest remedy is to reboot your computer.

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