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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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7 Z: X3 ]! W ]; y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* w6 n( L$ C; i
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
; k3 F+ n6 [! _$ R" A$ N) NERCOT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。# S! w4 U9 g! C! }7 K7 n8 z
德州限电是主因
8 w4 c0 `) N6 S c: FThe 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
: U3 R9 b/ Y( w D75EH/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
2 x! w4 p8 ~% }9 N( `3 ^9 Y限电措施密切相关。7 ^. J* z6 ?" a( }5 ^! |* [
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
|( K* t# X; |) Q特币矿池占全网算力下降的70%以上。
n3 x' K2 v6 ?! u/ U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
! B0 k i$ O5 X! {0 n146.54EH/s和125EH/s。
2 l# Y+ [& C1 S+ [7 Z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/ O+ S- ]* ^$ k1 g' h
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# I1 z1 C5 O% B! G
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# r% \3 ~; j& g
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。
7 [3 S# f+ H4 O3 M, a, H德州继天朝后，成为比特币挖矿中心 {. k" v a+ F( ^1 w+ ~
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- F" a5 F8 I5 j7 V; c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
. D0 m! O/ z" \谷期增加电力供应。! ~3 t3 k7 i8 Q1 g* K/ o
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: u. _3 C3 `! [$ [2 B5 _1 _9 z
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+ m( P) ^( P, G9 {7 u1 C6 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。7 x& T3 A1 K* f. ~: g( i0 r: z( J
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
' D: y3 p3 d1 R9 `' q$ s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
* h2 P/ i: n# ]5 |8 F- ~8 n7 L) P使用而获得230万美元的能源信贷。+ N9 l" F( t. k- I! I7 j; z2 O
. p2 U& G3 a/ u1 ?& ] E
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