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報告:比特幣年耗電量達 138 TWh,52.4% 來自可持續能源

2025-10-20 08:23:45

ChainCatcher 消息,最新的《劍橋數字挖礦行業報告 2025》顯示,比特幣當前年度電力消耗估計為 138 TWh,產生約 39.8 Mt 二氧化碳當量排放。

報告指出,目前 52.4% 的比特幣挖礦能源來自可再生能源和核能等可持續來源。與此形成對比的是以太坊,自 2022 年 9 月完成"合併"升級後,通過從工作量證明 (PoW) 轉向權益證明 (PoS) 機制,能源消耗降低了約 99.9%。專家表示,比特幣挖礦的環境影響已超出單純的電力消耗,還包括碳排放、水資源消耗、土地利用和電子廢棄物等多個維度。隨著政策壓力增加,政府正越來越關注挖礦使用的能源類型、地點及其外部影響。

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