Ransomware is a type of malicious software designed to block access to a computer system, and more importantly the critical data it contains, until a sum of money or ransom is paid. Attackers ask for payment in bitcoin, which makes the payments largely untraceable by investigators. Bitcoin plays an important role in the growth of ransomware attacks because it shields hackers from being caught through the electronic payments they receive.
Further Reading: Is Ransomware driving up the price of Bitcoin?
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