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[虚拟币交流]
比特币算力大跌25%！主因是美国德州矿池因寒流限电关机（18日转）
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近日，比特币全网算力出现显著下降，根据Blockchain.com的数据，从上周五的约
: K% U k' e: k$ P+ e$ d+ p4 d600EH/s降至昨日的440EH/s，跌幅高达25%。这主要是因为美国德州面临严重寒流，导致当地电WJ管机构: Z( e0 K' @' T- ]+ E2 Z/ w
ERCOT在14至17日期间要求限电，以应对极端寒冷天气可能带来的电力需求激增。
2 o2 j5 x8 S: b3 p6 w9 o德州限电是主因
' p- F2 h' p# _& x9 R# G2 TThe Miner Mag先前报导指出，这次算力下降主要由Foundry USA Pool引起，该矿池的矿工客户减少了高达
% z4 N3 G3 @+ E5 w8 Z: H) e75EH/s的算力。而截至9月份，连接到Foundry矿池的算力中有超过28%位于德州，因此这次算力下降与德州的: y7 x, L9 O/ h) ]; I
限电措施密切相关。
- ^; p& x9 F0 \; Q! uMining Pool Stats的数据显示，自周日以来，Foundry USA Pool和蚂蚁矿池的算力大幅下降，这两个最大的比1 C# r, |7 C8 e
特币矿池占全网算力下降的70%以上。
. J: V( r6 O" N1 N截至目前，随着ERCOT在今日凌晨宣布结束天气警报，Foundry USA Pool和蚂蚁矿池的算力已分别回升至
& w% N' M( _; J2 Q8 W. J7 H146.54EH/s和125EH/s。6 a$ g3 G+ f8 e2 O+ b. N5 Z; U
这次事件除了凸显地方制策对比特币挖矿活动的影响外，也彰显出比特币挖矿活动「可便利中断操作」的独特优+ w# i d! r, e2 D! `; q
势。受此影响的北美3大矿企之一，Marathon Digital的企业传播副总裁查理·舒马赫表示：比特币矿机在很多方. d0 T4 ^# q: h4 {2 g) h
面是能源产业的技术解决方案。在德州，他们提供了稳定的基本能源负荷，并且能在几分钟内调整产量，以便在
2 G0 p6 V( j2 y紧急情况下为其他用户释放能源。这正是我们最近几天所见证的情形。. ^/ Z7 }/ L/ e$ q4 @' r% m1 F
德州继天朝后，成为比特币挖矿中心
( N$ P+ m( k; t) d0 r值得一提的是，德州是天朝自2021年打击挖矿产业后，迅速崛起成为比特币挖矿的新枢纽。矿工认为，他们的挖
: P o4 H# u! p- v矿活动对德州电网有益，因为他们对电力的灵活使用可以加强该州的电网：能在用电高峰期降低电力需求，在低
! L- c" T2 n, U* [谷期增加电力供应。
. N. S. o" B8 `6 Q: j# ~: {& z( l德州以其廉价的电力、电网激励政策和非管制的能源市场吸引了多家公司，包括Marathon Digital、Riot, `( F7 G" U7 ~2 |9 G4 i% |& g
Platforms和Iris Energy，增加了在该州的挖矿设施。根据Foundry于9月的报告，使用其德州矿池的美国比特币
) y/ C8 n3 c, z% S9 r8 N5 Z矿工占美国总算力的28.5%，高于2021年的8.4%，是全美各州中最高的。
; w; Z% I& l) T4 v德州的比特币矿业也积极参与电力需求管理。例如，Riot Platforms在8月从ERCOT获得了3,170万美元的电力和
# Z: X: v) _: b0 ] n" Z需求响应信贷，作为其配合在夏季高温期间将用电量削减超过95%的激励。Iris Energy也在同月因自愿减少电力
1 L- _5 Z6 J4 Q* A/ @% P |, i使用而获得230万美元的能源信贷。( }+ i: W3 A: ~5 ~' l( g8 V
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