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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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* z) m9 D" ^6 K# M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) d) w- y; t H J m
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 @. L) {4 z* a6 F4 x X. E
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。
% J% Q. I+ k. y, R t4 a$ b" R德州限电是主因
! b$ i3 Y& m; A. 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
& v3 n1 v' D* N' e6 S; o6 Z75EH/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9 g! S9 s3 ~: `
限电措施密切相关。
$ P' C [: F0 g& t8 ]5 r/ p/ G& L3 O5 HMining 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/ {( l& [' Q; Z: I- i1 R3 N
特币矿池占全网算力下降的70%以上。! E; r4 Z5 z/ Z4 x, K% y) L+ 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# Z4 { {5 i1 B+ ]5 L
146.54EH/s和125EH/s。
) `0 }2 C5 ?- [& P5 e/ `9 ]1 G4 G+ W, k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! r) h7 C p$ R C' ]7 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
6 E+ ~, o& y3 Q6 `5 N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
' e* ?$ O# l' L! D; q' D7 N 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。
: Q( N0 {9 f6 P4 h! A' j德州继天朝后，成为比特币挖矿中心
" _4 a/ I5 `9 J1 Z, E3 I, Z2 g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, I1 P- h, H$ 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4 D" W) z- }$ Q$ q. B6 F ]/ R
谷期增加电力供应。, M) j8 w8 v3 ~( O' s9 D) S- c
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# N d2 h7 g& Y) M8 a4 s+ L
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
( C2 e A8 g/ B/ d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。" B2 }+ f9 Q' Z- B( y; ]* G, 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3 F; M: L, t8 n& `# b
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- E) ~, \+ E* V' q% T
使用而获得230万美元的能源信贷。# C9 X3 i- Q1 x% R4 v4 X
; W' h: z* [& V+ c* K2 \2 t4 w% }# ^' Q
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