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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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1 O! P% `+ T" `# N [% j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% ~# |3 {# t8 _- Y8 T600EH/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
$ B, V3 G9 `6 j& W5 x$ mERCOT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。' d" x$ s8 k3 B- `8 `
德州限电是主因
) |2 [/ R$ S7 ]* a7 W( 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* j* c9 y! i1 P& y
75EH/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1 y* j4 h' Y4 Q/ Z, x
限电措施密切相关。5 G ?# _0 l9 S) ]: O- y5 C3 y$ m
Mining 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
. F% @+ F. o4 B: p7 P特币矿池占全网算力下降的70%以上。, z5 W. z3 s+ _# ~4 W/ f
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- u% a$ X7 b% P. S7 Q/ E
146.54EH/s和125EH/s。
# W6 U9 I. n7 s5 X7 N& N5 K& p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6 t# T( ]7 g( u( e" r
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
; Z- w, I9 N: A$ J! S& X% O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; o0 S L* W: y7 Q9 Q
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。
) L4 y/ c1 l! V8 \! c5 l德州继天朝后，成为比特币挖矿中心' ]- c& w8 n( @* {( _2 I2 l# H
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
7 M! L- j3 G0 Z h. r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. `% k7 U2 j u
谷期增加电力供应。
( E9 X! B& d T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
7 j3 q! o+ d2 @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9 `% F. f/ T, t# S
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。
% G, r# I# i# m0 ]+ n' Z7 k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
! R# C$ ~0 d+ H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
$ W+ z- p. O$ V" G2 N使用而获得230万美元的能源信贷。7 I- E; I6 ~3 G4 S+ }3 s) r
$ J- S! {6 z" T0 B7 b5 {6 w% R) m* K! j
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