Bitcoin is in the news again after Friday's worldwide ransomware attack. The malicious software locks down victims' computers and refuses to grant them access to their files unless they agree to pay at least $300 in bitcoin. Which may have you wondering: What is bitcoin? And why do the attackers want payment in that currency?
Here's a refresher on bitcoin and how it's connected to the ransomware threat.
Full story at http://wapo.st/2quPnbx
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