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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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3 T/ D9 {& R( H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
& U7 U& O. T- A2 u! i6 k# Z' b600EH/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4 ]9 x9 a& o2 h5 Y0 ?
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。& `' T! `1 O% ]$ S/ {7 O
德州限电是主因
) U; }- Z6 J. e( {- }% f% j! ?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
/ u s O7 @" V: _: l75EH/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
: B4 @- U% {) b2 R$ |1 W限电措施密切相关。
( d( v7 u& Z2 \. q4 n* U, aMining 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
0 y+ x& \ V% F! P特币矿池占全网算力下降的70%以上。" a& S. u2 `2 k4 T3 b& O; O
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- b4 K/ X5 f" Q# B0 K( T
146.54EH/s和125EH/s。
, @$ V; a3 k. R* v- e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" h7 c% i+ H/ j& n
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
6 n7 Z1 m9 C8 s7 d8 I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 o! l$ r# H( G. W, b" h) r% t7 d
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。: _: r" ^6 Z6 U! l" O
德州继天朝后，成为比特币挖矿中心
9 s8 n/ Z# q4 o8 H. s( V9 j* Z% z; b% T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& u7 w9 z# k/ e4 V) }# r( m
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
; Y" ~5 ]7 K6 \" u+ a' S% A6 d谷期增加电力供应。
; f* D/ d( u g" Y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、Riot7 q8 i: [! f1 q3 j0 e( S9 F5 U
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
: I5 t2 |7 T6 n v' c0 J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。
. D; G2 l9 U" q3 ]/ x* H8 S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
# c% u) l8 _5 X+ F8 j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- t7 E+ S G3 y! f# m/ i
使用而获得230万美元的能源信贷。7 i3 C) S9 _0 e" t; `: J
- Y( D9 k. O/ o u1 U* p. ^' j! S' z4 a( w7 [
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