stackbitcoin

Bitcoin Exchanges Face Growing Cyber Hacking Risks

When hackers penetrated a secure authentication system at a bitcoin exchange called Bitfinex earlier this month, they stole about $70 million worth of the virtual currency. The cyber theft -- the ...
solar storm

How a Solar Storm Almost Sparked a Nuclear War

A solar storm that jammed radar and radio communications at the height of the Cold War could have led to a disastrous military conflict if not for the U.S. Air Force's budding efforts to monitor the ...