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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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4 T* Q1 \4 J. x0 W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 K* ^) s1 ^% K. E5 F$ k$ H600EH/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" ~ u0 a3 y/ e7 p. `( X
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。) _7 R0 z$ F3 n q" c) ~
德州限电是主因
) H5 P4 J" |# YThe 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
" ?: H. r2 [0 [0 _2 D; t75EH/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: |8 ]# k; M7 i* k+ }3 Q. M
限电措施密切相关。
7 K0 ?6 v$ d0 Z/ ?( ]- A" rMining 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, v! ?5 k5 Z' K9 i0 x& s" S
特币矿池占全网算力下降的70%以上。
+ J4 h0 K+ Y) d9 A+ O( {* I! G3 L9 z6 d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) \& q) L+ `* t6 u/ ^
146.54EH/s和125EH/s。1 ^' H& x. f2 t
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
- Y( L E% e2 ]* g! b3 O% I3 E0 L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( X/ z5 [0 f0 T( 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
) v* ~% `9 b% r6 n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。* z! e8 K5 m! m- B
德州继天朝后，成为比特币挖矿中心9 T+ x8 a4 S5 R6 r2 N9 {( W/ ^1 r p
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' H+ N- U8 d# Z6 m! s5 n+ K
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
2 H6 \, |0 M6 T8 e+ w- k K谷期增加电力供应。5 k- b) x2 D5 H6 \4 V; S7 e
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
M$ J$ N+ h w% Q6 H+ i* k9 HPlatforms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
3 E( A$ ^( q/ I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。7 b3 a8 t- x3 h/ v, 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
8 M: w, ~# Z+ O9 C b! O8 v; 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
5 U' \1 W" z' F" Z/ J1 u8 O使用而获得230万美元的能源信贷。% M6 @; r; N4 m0 {# S) H0 I- q4 l
2 n+ a$ |4 d2 H5 l8 x1 Y$ W" ~. j
6 m# a6 x8 X& F* B7 A% U2 N& _0 e! A
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