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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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+ |/ A7 d9 K" ]( J+ Z6 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. p7 W+ G' B, C+ @1 s
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
, q2 @* c: K+ [6 l! LERCOT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。
3 }+ a4 z) Q% F8 S# O" l7 y6 _德州限电是主因
/ C; ~0 [7 x4 i7 eThe 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5 O& [" U2 X# h; F0 Y1 M: x: A
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
$ c; m' N: |3 J6 s' J. E& U3 k限电措施密切相关。
7 D0 v6 I! U; [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
6 U1 E# r9 ~7 j8 ^% h8 u特币矿池占全网算力下降的70%以上。
7 w: ]. @# W: f+ h; d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
\# V; ~3 v8 O0 U+ @146.54EH/s和125EH/s。
' |! F* j* o) j, p! V' W. A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
+ c3 c. V& y# p( r# T& q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
V& K: Z8 b/ e/ e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
# g, ^( t. `0 R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。
. k" ]/ y* q+ N* H' B9 ^德州继天朝后，成为比特币挖矿中心
* B) F* c+ c% g& }6 m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, T2 z* A( I/ h" l
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! @6 O6 a* p( S# S6 h& r5 U
谷期增加电力供应。
4 z/ l; I+ X5 `, e6 A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
3 N6 R0 B6 t/ v4 gPlatforms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: X+ P! r8 }' v; x
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。 `' b0 r) b" X4 u0 I
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
' A2 x7 j) B5 J9 r% R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 t4 w; e2 d5 |$ P
使用而获得230万美元的能源信贷。" ]1 w9 A$ J0 s" |
9 z( C( E# u+ F: H2 D* D* k$ t0 z8 f# M& G
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