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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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" E! _/ b8 j& O" E
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
+ H9 v8 `7 O8 a/ \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0 A4 E. q1 }; w
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。
x" P9 F& g# T6 A; g+ [德州限电是主因
* Z A. n! E ^! K7 H. R" kThe 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
: X* \5 l8 r: M d; Q75EH/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; C' I; \ S% y) B6 m4 t1 I
限电措施密切相关。% N+ ]! F5 M/ o% h0 g: Q- f' @/ \
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 C8 y* ~ \: R1 F" f特币矿池占全网算力下降的70%以上。
7 a: ~2 d2 N; \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0 o$ A/ {& |# |
146.54EH/s和125EH/s。
$ g+ r) b9 p D: q/ L5 i' M. v7 O! R8 Y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
1 {* L6 J* x7 x. y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" u8 P& v! C- ^+ o. T. q0 [( h! s
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7 q: z# b6 t, x& A/ t0 Y* T
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。( X f- z; N) b
德州继天朝后，成为比特币挖矿中心
4 u2 V4 q+ w# ?" ~: x8 d4 E/ Y( n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6 [$ ^. c1 u. Y" P/ t/ q
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0 f6 Y+ Q; c' x+ P" N
谷期增加电力供应。- s! A, Y: e5 d" Z
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+ } K' k$ _ L+ I
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
0 p: {7 n! d( d% O3 }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 s) v) e) y8 T% I+ @7 u. ]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
0 r: P; R/ o# @* {8 s1 j8 }( _3 l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
4 x$ J# ~. n+ F0 O7 F- [+ I使用而获得230万美元的能源信贷。2 y. s6 y, x9 k, G* n8 X
9 i' |1 i" X3 @. J' O. |; g6 A* M. S8 S7 p: t5 i& G- F
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