web3: 外媒:比特幣挖礦難度或現17年來首次年度回落
U.Today
07-28 00:12
Ai Focus
外媒稱,比特幣挖礦難度或出現 17 年來首次年度回落,礦工成本高於幣價,算力較高峰迴落近兩成。
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外媒稱,比特幣網路正接近出現 17 年來首次年度挖礦難度回落,但目前仍未最終確定。今年底前,網路預計還會進行 5 輪自動調整,如果幣價回升、部分礦機重新上線,年末難度仍可能高於 2025 年水準。

礦工成本高於現貨價格

報告引述 onchainmind 的估算稱,目前挖出 1 枚比特幣的平均成本約為 7.61 萬美元,而比特幣現貨價格徘徊在 6.5 萬美元附近,礦工整體已處於虧損區間。

文章稱,今年以來比特幣價格累積下跌約 26%,產業收入也明顯減少,促使部分礦工關閉設備。美國得州夏季高溫,以及 2 月風暴帶來的電力成本壓力,也加快了礦機關停。

  • 挖礦平均成本約 7.61 萬美元
  • 比特幣現貨價格約 6.5 萬美元
  • 全網算力較高峰迴落近 20%

難度下調對應礦工出清

在算力回落後,比特幣網路會透過自動調整機制下調挖礦難度,以降低剩餘礦工的競爭壓力。文章認為,這說明網路仍在以既定機制運行,低成本礦工的經營壓力會有所緩解。

報告也提到,鏈上指標 Puell Multiple 已降至較低分位區間。依其說法,通常對應礦工承壓、低效率產能出清的階段。過去類似階段,往往出現在市場接近階段性底部時。

礦商越來越依賴 AI 業務

不過,文章也強調,當年度難度回落仍未成為定局。即便後續幾輪調整後難度重新回升,這一輪變化也顯示出礦業格局正在改變。

報告認為,比特幣網路可以透過難度調整緩衝礦工利潤壓力,但礦商本身的財務穩定性,越來越多受到 AI 相關算力租賃業務影響。部分礦業公司的經營表現,不再只取決於幣價和區塊獎勵。

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