Cryptojacking is a malware that mines virtual currencies such as Bitcoin mainly on websites and advertisements so that users who visit the site do not notice them.

To understand cryptojacking, I would like to talk a little about cryptocurrencies. As you may already know, virtual currencies are electronic currencies such as BitCoin, Ethereum, Monero and Ripple that do not belong to any country.

These virtual currencies use a mechanism called blockchain, and are not managed centrally by a specific nation or creator, but are shared and distributed among users and managed. Since it is not a centralized management, it is necessary to have a system to manage transaction records and prevent tampering.…