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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6 f* p; l* w! l- d
600EH/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9 s2 b0 f( f' h
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。
! \# F; H; F& o% D( g& H德州限电是主因
# t% R# ^- z) q2 {! n% j! b* Y7 \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 s7 m1 {* {; k+ B( p& z
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
) j' ]& \+ i9 G$ N* o% s6 U限电措施密切相关。
0 Z' [# B6 _. Z6 r3 mMining 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4 n, g" s* i- T- O4 \
特币矿池占全网算力下降的70%以上。9 m$ [, c( _/ e; k( R
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( c4 d0 s9 D ^4 J, ~# ?3 o
146.54EH/s和125EH/s。/ x1 C$ X- w1 w5 O+ d9 s
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
( p8 W! a5 N( X2 Y# _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, `4 O, X/ q/ d
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
, s" p7 b7 p7 ~ C& [" c+ @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。
; Z5 j# K4 [% e德州继天朝后，成为比特币挖矿中心. ^- s+ s4 A o2 U) g$ o5 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
( l: v. N, @% \: P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& e: J4 P- F( n1 Z, j- h
谷期增加电力供应。) e" X' Q1 ~/ x! 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. Q, i) k0 Y% p
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 G6 j: J/ p0 R
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。
( o/ j' R$ y7 L0 y. I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
, i2 q% K* w1 u3 m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$ |9 N. p5 k% `2 q Q1 m b7 G6 v' h1 H/ @
使用而获得230万美元的能源信贷。8 b r2 |1 s% C4 M0 x# @8 V2 {
" Y: Z3 @3 T% b8 @' N' S
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