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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 M* I1 d3 B; J: \4 N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
1 t# | t3 h) w: @# x# _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
; ]$ O% k7 u2 c( Y8 j+ S& ]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。
8 k3 C1 Z3 m) l) g0 V; ^2 _' a; B德州限电是主因5 _4 \1 o% Q4 o) q
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$ l8 K$ y( K+ }% P
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
- U. n! S8 S+ L) V1 i" O限电措施密切相关。/ @4 X" R/ n* q9 `
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. l4 I3 m- d2 A5 D; r
特币矿池占全网算力下降的70%以上。
3 F( p$ t* c; E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 Y; U2 C( m$ a0 J/ c8 X* D+ G146.54EH/s和125EH/s。
0 `! I0 c; p# ^% s3 I' z' s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( l; ~. y; }# z6 N, N" o
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
8 W5 R7 T: Y: Z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) N8 f9 E/ @6 u( Y7 O! o b
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。/ y+ O# K N( R% w8 B5 x$ M
德州继天朝后，成为比特币挖矿中心
r1 N8 d7 w" `! Z* |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
: z" J+ g5 g. d4 x X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 f" O# y3 N2 V# N. N/ v% {, g1 n; Q2 G
谷期增加电力供应。
* Z5 T- |+ D E6 V+ ]+ V3 a0 b- K! P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
, f8 g5 {; S5 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% A% f5 I# _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 u$ Y2 h- L& P: h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! D1 f% M( _6 I" ~6 J9 O
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 [$ |. `0 S. G5 R O' Q5 l使用而获得230万美元的能源信贷。' r- ?, P' m! y( a3 u# l
2 z0 T/ Z; v# Q+ Y! e z; T7 @
. ]3 ]. _: y S6 O, A
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