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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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3 y- I9 C! C- D G( Z# g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
( {. a3 k2 W! b5 C& _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 s( C6 Z4 Z0 q* s$ n" T: 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。
5 R! S. y0 G8 m s0 S德州限电是主因
/ R8 c; m. y4 A6 ^/ a& n' F nThe 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+ L) J5 r/ z1 H7 D$ K' i
75EH/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
! }" \5 Q$ B) r# K2 a限电措施密切相关。$ M1 [ }( b- b3 y: Y" h7 o P
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) [1 u5 ~( d4 a$ o0 X, j- U
特币矿池占全网算力下降的70%以上。5 ?+ b9 Q" A+ L. U0 E- p* t
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3 @5 g# [+ S. w9 K5 c/ U( A
146.54EH/s和125EH/s。
& [8 d7 z) t2 _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7 v' V; a; I5 v# b
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9 l) i* {$ i$ m+ |, U- |
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
8 z! i$ k$ E" L# w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。
; Q5 ]; _, p% f# X& q德州继天朝后，成为比特币挖矿中心! z U/ v" h/ A& ], ?/ l
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) Q8 k" |, J& t2 f; T; e
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! i6 z0 v! Y/ q0 X; f
谷期增加电力供应。
- K. h; y* o! 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、Riot7 k- c9 I6 Z5 |* ~0 S8 d: Y1 \
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8 Z9 {7 j; g5 V `* 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。
% q5 w, Q0 d r! ^1 x' S `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
7 x" H8 z5 j4 [' I# h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 q# k" _& r1 v m, H6 m5 V# ]
使用而获得230万美元的能源信贷。 A4 P5 h R2 t7 C$ x! @5 p
A& M G P) w+ L. `3 C9 k& L
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