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报告:比特币年耗电量达 138 TWh,52.4% 来自可持续能源

2025-10-20 08:23:45

ChainCatcher 消息,最新的《剑桥数字挖矿行业报告 2025》显示,比特币当前年度电力消耗估计为 138 TWh,产生约 39.8 Mt 二氧化碳当量排放。

报告指出,目前 52.4% 的比特币挖矿能源来自可再生能源和核能等可持续来源。与此形成对比的是以太坊,自 2022 年 9 月完成“合并”升级后,通过从工作量证明 (PoW) 转向权益证明 (PoS) 机制,能源消耗降低了约 99.9%。专家表示,比特币挖矿的环境影响已超出单纯的电力消耗,还包括碳排放、水资源消耗、土地利用和电子废弃物等多个维度。随着政策压力增加,政府正越来越关注挖矿使用的能源类型、地点及其外部影响。

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