Crypto jacking means using somebody's computer without their concent for mining crypo currencies.This is done by hackers by sending an email containing a link which loads crypto mi ning codes on the computer of a person or by infecting a website.
This is not easily identifiable.The user would experience an unusual slow in his computer's performance.
Hackers have found this to be more profitable to them than ransomware as in this cryptojacking,chances of being traced is hard.
But extentions like nocoin,minerblock could be used for chrome browser which blocks any illegal crypto mining.
