web3: Bitcoin falls nearly half from its high, but miners have not yet shown signs of mass withdrawal
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Bitcoin's peak has fallen by nearly half, but the decline in overall network computing power is significantly less than the drop in coin price, and miners have not yet begun to withdraw en masse.
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比特币自 2025 年 10 月高点回落近一半,但矿工并未出现大规模退出。分析人士 Axel Adler Jr. 指出,在手续费收入接近消失、矿工利润承压的情况下,比特币全网算力仍保持在较高水平,显示矿业更像是在缓慢调整,而不是进入失序下滑。

币价跌幅大于算力降幅

数据显示,比特币价格已从 2025 年 10 月初约 12.47 万美元,回落至 2026 年 8 月 12 日的约 6.34 万美元,累计下跌约 49%。同期,比特币 7 日平均算力从约 1150 EH/s 降至 886 EH/s,降幅约 23%。

这意味着,尽管币价明显下行,矿业基础设施并未同步大幅收缩。对效率较低的矿工而言,美元计价收入下降会直接压缩利润空间,但从全网表现看,算力并未出现快速坍塌。

手续费占比降至低位

目前,比特币交易手续费仅占矿工收入的 0.71%。这一水平与 2015 年 12 月的 0.69% 接近。自 2025 年年中以来,手续费占比大多维持在 1% 或以下。

手续费偏低,通常意味着链上区块空间需求较弱。当前矿工收入仍主要依赖区块补贴,而不是交易手续费。不过,这一对比更多反映收入结构相似,并不意味着当下矿业环境与 2015 年完全相同。

  • 2015 年单个区块奖励为 25 BTC
  • 当前单个区块奖励为 3.125 BTC
  • 因此矿工承压背景与当年并不一致

矿工更像在调整运营

文章认为,若矿工出现集中退出,算力通常会更快下滑。但近期全网算力仍在 900 EH/s 左右波动,且在回落后偶有反弹,说明矿工更可能是在逐步优化设备与运营,而非加速离场。

后续可观察两个信号:一是算力是否进一步明显下滑,这通常意味着更多低效率矿机被迫关停;二是手续费收入能否持续回到 1% 以上,这将显示链上需求和矿工收入结构有所改善。

整体来看,在币价较高点回落近半、手续费贡献不足 1% 的背景下,比特币矿业目前仍表现为受压调整,而非全面失守。

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