The three green, eco-friendly cryptocurrencies that could dethrone Bitcoin and Ethereum
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As crypto-currency investors become increasingly aware of the environmental impact of various blockchains, this could lead to a backlash against energy-hungry crypto-currencies such as Bitcoin, which now consumes as much energy as an average-sized European nation each year. Some countries have already banned bitcoin mining, and some U.S. states have threatened to do the same. […]