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Research by a former Greenpeace activist confirms that #Bitcoin mining is good.deliverypdf.ssrn.com/delivery.php?ID=596097013121098030068125015113123066063063059088049089096031117108100087088002092064036119005126028023035013073005003004064018114034029069015076031109070090124072088062043066067121097028074021000084127078125095081097070092031112064070108124125017010094&EXT=pdf&INDEX=TRUE