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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
( S3 c( v1 i* h* ]% P' N600EH/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) S7 K* }/ w8 K' R5 y2 l3 R
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。
0 p- X5 a( a9 q% c4 k a德州限电是主因
+ N4 Z! A2 m! ~ QThe 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 c( y6 V2 M! G1 @3 r7 s75EH/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
" @/ g, m" F4 z- D限电措施密切相关。9 }$ O; g: @3 ^( H% C
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
) M& J9 w) O* ]. J; m特币矿池占全网算力下降的70%以上。
6 f: F; ~+ t8 g6 M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1 \5 X/ E6 t; o' S) c0 y Y
146.54EH/s和125EH/s。; M4 n6 K: ]# b' L# H9 R% A
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9 _$ N$ D. w. S) ?+ {& `- @3 h+ p
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# ]. B! @! \* M, d R! i8 L
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
& Z/ e% L" S. M9 L; H# a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。) i9 Y/ v/ L+ s, l, M2 N
德州继天朝后，成为比特币挖矿中心# V1 ~3 a7 b( K; c) L0 e5 O
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" [% I/ V% v D
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) V$ }8 k) O- r5 W' o; [
谷期增加电力供应。
; Q: P$ M) Y3 j: E% N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. z2 } |! v! R8 s8 q+ A' 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) O2 h; d R+ o7 S- H3 G/ V) O+ \
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。
1 f( N0 P6 l) j% m0 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
4 V+ X- R* X" y# x# P. 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
6 W$ M0 \7 y% f: O( `! n) x0 a. b使用而获得230万美元的能源信贷。% O0 g8 ]: `% Q5 M/ y
6 q# d: }$ S' m, k7 i9 F3 M: X
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