“The power of all the computers networked together to maintain the digital currency’s system far exceeds the combined processing strength of the top 500 most powerful supercomputers. Easily. The matchup isn’t even close. At any given moment, Bitcoin’s peer-to-peer network contains thousands of computers linked together to generate more than 1,000 petaflops of raw computing power. To put that in perspective, the world’s fastest supercomputer, Titan, runs at less than 18 petaflops. The Bitcoin network is sucking down nearly $200,000 a day in electricity costs. That’s stunning for an ‘economy’ that sprang into being just four years ago.”
http://money.cnn.com/2013/05/23/technology/enterprise/bitcoin-supercomputers/index.html
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