ChainCatcher 消息，比特币矿工收入过去一年持续下滑，目前 7 日移动平均日收入约 3,000 万美元，明显低于去年夏季超过 5,000 万美元的水平。其中，交易手续费贡献已降至每日不足 25 万美元，相比区块补贴几乎可以忽略不计。
与此同时，比特币价格约在 62,500 美元附近，低于摩根大通估算的约 78,000 美元生产成本。该价格低于生产成本的状态已持续五个月，为本周期最长时间。历史上，生产成本通常被视为比特币价格的软性底部区域。目前估计约 20% 的矿工在当前价格下已处于亏损状态，压力也开始反映在网络层面。
过去六个月，挖矿难度对比特币价格的敏感度升至 0.62，说明高成本矿工越来越倾向于根据价格波动开关矿机，而不是持续亏损挖矿。6 月第二周，比特币挖矿难度下降 10%，这是今年第二次出现类似幅度下调。此前一季度也曾出现同等规模调整，两次都发生在价格持续低于生产成本的阶段，显示矿工端压力正在加深。
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