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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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$ p L U$ q9 d5 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( [5 y" s% F/ i! G; `
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! q. e. ^- X7 T5 o2 V$ c; D5 A) x9 f
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。
, e; `- i/ Y# [) S* F+ M$ \德州限电是主因
N) A# M; t8 bThe 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5 B( k$ H7 V/ u2 w
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; {0 B: r6 |$ k6 }1 ^, v
限电措施密切相关。4 [, s- M' Z* o. f6 ~ Q
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
3 a, \% R' N& _. d# A特币矿池占全网算力下降的70%以上。
. I4 [' C$ i5 j* {3 u1 U/ x$ b5 ~- q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9 {! {8 i0 ]/ B, V' _( R; e. s1 N
146.54EH/s和125EH/s。5 |- ]# w, G: P* ?6 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3 n1 Y4 q8 K& m) J
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
G; r' @5 O' g# @: w! v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) E9 ^5 i3 i! \/ C% o9 E
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。. G' h E4 m5 k* w4 y
德州继天朝后，成为比特币挖矿中心, {# w. x. M! O6 V0 \8 y n8 ~
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& t4 I- k r& u8 z* H/ m# H
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, w6 {" X/ { ?( Z$ r
谷期增加电力供应。
3 o& T: U! Q$ i K8 f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
! o1 u: D' t# P9 e3 s% @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" G+ H# a7 z8 D; K4 v$ t9 v- e$ w
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。# a4 X1 j2 D# w/ V. n
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! c Z9 s/ c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
# q9 d& `3 Z$ H i7 X1 y$ K使用而获得230万美元的能源信贷。
8 s W" n9 s& D) @* `6 h* s
( a: D) p& {- O5 \6 I2 ? S# Y" z7 \6 e% x
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