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Mining hardware maker Bitmain has claimed its new bitcoin ASIC will be the most power efficient chip available to the public. The forthcoming BM1385 will be capable of 32.5GH/s. A custom design, it has a 45% greater hashrate and 50% less electricity than Bitmain's previous 28nm ASIC, the BM1384.
21 Aug 2015 12:15 pm | Grace Caffyn
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Mark Karpeles, the former CEO of the now defunct bitcoin exchange Mt Gox, has been re-arrested on charges of embezzlement. He was first arrested at the beginning of August amid claims that he had manipulated volumes on the exchange prior to its demise in February 2014.
21 Aug 2015 10:09 am | Yessi Bello Perez
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An Ashley Madison customer has received a blackmail email demanding payment in bitcoin after a massive user data leak. The email, provided to CoinDesk and dated 20th August, was sent by an entity calling itself “Team GrayFlay” and contained the individual’s name and personal address.
21 Aug 2015 09:26 am | Stan Higgins
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A new research paper explores how central banks could seek to proactively regulate digital currency markets to avoid future crises. The author argues that government action will be necessary should any "bad conduct" materialize in the market, and that central banks should be prepared accordingly.
20 Aug 2015 11:08 pm | Pete Rizzo
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The founders behind bitcoin exchange Harborly are closing its doors to focus on a separate project, according to the company. Co-founder and CEO Connor Black described as “a growth hacking tool and service” currently in private beta. The exchange is currently up for sale.
20 Aug 2015 10:31 pm | Stan Higgins
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Over-hyped cryptocurrencies such as bitcoin are still in a period of "inflated expectations", leading tech advisory firm Gartner has found. As part of its 2015 'Hype Cycle' report on emerging technologies, it included cryptocurrencies among the sectors marked by "over-enthusiasm" and "unrealistic projections".
20 Aug 2015 05:32 pm | Grace Caffyn
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With only 21 days to go until our flagship conference, Consensus 2015, we're offering a special deal for our readers to get two tickets for the price of one, for 24 hours only. Make sure you're there for the premier digital currency and blockchain event of the year.
20 Aug 2015 03:01 pm | CoinDesk
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