Bitcoin’s dirty little secret: It’s not easy being green

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Depending on who you ask bitcoin, the digital currency at the heart of the crypto craze is either a currency or a commodity, a speculative bubble or a safe tool for storing and building wealth.One thing everyone agrees on is that it has become a staggering consumer of energy and producer of climate wrecking carbon dioxide. Debate between its champions and detractors grows with its price and value, intensified by accelerating global efforts to tackle climate change.Bitcoin supporters must now grapple with the reality that built into the cryptocurrency’s design is a seemingly endless demand for energy in the form of computing power.The price of the crypto asset hit a record high of $81,000 in April before pulling back to the still-frothy $72,000 this month. The total value of bitcoin in circulation has leapt from a handful of cents to around $US1.5 trillion ($1.9 trillion).“One of the biggest risks to…

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