As the use of cash declines and interest in cryptocurrencies grows, some financiers think it’s time for central banks to enter the e-money market. But experts think otherwise.
The decision by Europe's largest power utility to not do business with energy-hungry miners comes as concerns grow over the sustainability of cryptocurrencies.
Bitcoin dropped to $6,800 on the Luxembourg-based Bitstamp exchange by 1200 GMT, before recovering a little to $6,870 just over 20 minutes later.
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