Tag Archives: Computer power

Bitcoin alternatives could provide a green solution to energy-guzzling cryptocurrencies

24K-Production/Shutterstock Sankar Sivarajah, University of Bradford and Kamran Mahroof, University of Bradford The cryptocurrency bitcoin now uses up more electricity a year than the whole of Argentina, according to recent estimates from the University of Cambridge. That’s because the creation of a bitcoin, in a process called mining, is achieved by powerful computers that work night and day to decode …

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