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How to Protect Your Cryptocurrency from Hackers? Hot & Cold Crypto...

We talk a lot about personal security and privacy when it comes to electronics. But nowadays, there’s a new area that we should focus...

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Radio Frequency

Often you read terms like “RF signal”, “RF”, “frequencies” and you wonder what does it mean and how does it work. More importantly, what...

What is Phone Tapping or Wiretapping?

Wiretapping means secretly listening someone’s conversation over the phone. It’s done by using a spy bug. A bug is installed in a telephone and transmits...