Photo: Jonathan Raa / NurPhoto via AFP
The high cost of energy to produce a single Bitcoin seems to make little financial sense as the cryptocurrency's price slips to about US$86,000 (NZ$147,000).
Latest data from Cambridge Bitcoin Electricity Consumption Index indicates the energy needed to produce one Bitcoin costs more than US$100,000 for 15 of the world's top 20 producers, with Australia among the biggest spenders at nearly US$259,000.
New Zealand miners need to
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