Odaily星球日报讯 美国比特币矿业正面临着国内激烈的资源竞争。长期以来，一直面临着证明其能源使用的合理性的压力。据美国能源信息署（EIA）估计，比特币矿业可能已经消耗了该国电网 2.3%的电力，尽管由于数据有限，预测差异很大。（FT）
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