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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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2 u+ l2 S3 z6 \! t3 i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
4 ]8 G9 F) A' m, A4 Y* E600EH/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
3 I, i, o) U# E; XERCOT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。
/ m. }& W3 \, }1 `/ l德州限电是主因/ ~8 I) D. V" E, V8 o
The 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2 y) P7 Y7 L, Q7 U7 ?- E9 }) t
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
: p0 Y* U, Z, S, D限电措施密切相关。2 A% r& d: T3 W
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
6 b7 j1 b4 d g3 f0 D/ r8 C& Z特币矿池占全网算力下降的70%以上。
! D9 A% [' W* m( z$ V1 G6 `1 v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
. b! c4 v* r3 x8 j$ P6 n146.54EH/s和125EH/s。/ J6 \2 n) t x) W
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
$ }; P, J# g8 E3 {& }6 K9 N* H& F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
/ k# n' j3 \5 ^$ R0 I. k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
& g% {/ }0 M5 s0 Z' ]$ U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。
& Q1 U% X, c9 U: V4 x6 [德州继天朝后，成为比特币挖矿中心& L0 d0 W9 z) M; _
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 S# n* ]3 y2 c4 ^" ?* h3 I8 \
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3 H* f" U1 i# f9 e2 ^! n) M. @7 U! s
谷期增加电力供应。, Z' g7 o( I' m. x
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
# l5 I, d# M% OPlatforms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/ M& |1 y) K9 [. `- [9 _
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。$ I8 b5 z5 H$ j$ k$ Z1 D
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
+ h& X' j& ^* k& o( h$ t 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$ A c& [- Y/ p$ U% h9 F+ p
使用而获得230万美元的能源信贷。$ R) h( ^6 O' ?% j
. j: J5 L( O( G5 \: d
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