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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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0 o8 R d1 e/ h/ n$ j1 v9 [, L5 ]
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* `, `9 o6 G @4 P; I: r: @
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5 s! I) ]% I4 c' }
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。# I" G3 m& s0 ?& A7 @
德州限电是主因 H/ F& w1 ?0 M! A: V
The 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
8 A, t& b: T) ]3 [4 a+ a75EH/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
/ `& W( A& u( J L限电措施密切相关。
+ B7 m3 q$ v. [% I+ o6 QMining 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: o3 ^8 H I( T, H' V
特币矿池占全网算力下降的70%以上。
& P9 A R- p+ K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
6 d0 G# V+ U6 o0 ?) f) w) h z+ a146.54EH/s和125EH/s。
4 O+ {% z4 \* X9 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4 M- m3 @( E+ K: l+ W5 W1 {, J7 |
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 j: j! O' t$ E4 }* 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
4 b) V4 Y4 E, E! _* 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% Q: J- h+ J- H+ \1 ^% H德州继天朝后，成为比特币挖矿中心) a0 I% q, L# {5 ?/ y9 w" B
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
+ C- [( V$ s1 }2 s2 m+ @! K* 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
' p4 P3 j3 P, K6 K谷期增加电力供应。
g. g' p+ s+ z q" }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- p. H& T% M, UPlatforms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
7 @9 y1 @- i% I: e: E2 B O3 Y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。5 e0 A2 v* L5 ]- ~6 e
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* \" ~- m: p* S2 X% E& l4 y2 Q
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: B. m" u: z7 k1 ]
使用而获得230万美元的能源信贷。( B, Q/ o+ q$ J8 d1 G }( M
9 Y( p+ H T \# }1 Y9 Q: f- E$ _' y8 q( Q: j/ c& o& e% N6 t( ^
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