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[虚拟币交流]
比特大陆S19矿机占比特币全网算力76%!能源效率5年已提升60% (转载)
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今年以来,随着比特币价格回暖,加上比特币网络生态的引爆,导致交易手续费居高不) Q- q$ B( ^& t6 \+ b
下,在此背景下的最大赢家就是比特币矿工,而据Coinmetrics最新的研究指出比特大陆矿机占比特币网络算力高6 @8 P% z2 s# R9 ^
达76%。 r) B9 M8 J; I% ]
所有比特币矿机% X! x& U M& y9 u0 e9 D
S19j Pro占比最高
) E% B2 m5 Y& {, w1 H0 G% X据Coinmetrics发现,比特大陆的S19j Pro机型占网络哈希率的34.3%,S19占28.1%,自2021年3月以来,两者9 s- Q1 K1 G+ D' n
一直是网络上使用最多的机器,另外,S19XP占网络哈希率的另外13.7%,同时,研究人员表示,MicroBT的
( L% [5 c# p t( I% fM50低于最低可检测标准。
5 B6 R6 J4 i& `2 K, N3 b3 E比特币算力分布
/ B- W7 I' ~( F- y该研究追踪了Nonce来确定比特币的挖矿中到底使用了哪些采矿机器,不同的机型因为消耗不同的电量来产生不8 O$ ]. O! ]4 ], I! E
同的计算能力。
: [ {& {8 Z/ I6 N9 O4 W2 S6 u& t4 N什么是Nonce?
, d8 n! I+ Z' }3 i$ A, y: C( Z" y1 r比特币挖矿者所做的可以想像是锁匠在试图打开一扇没有钥匙的门,但在比特币网络中不仅有一个锁匠,而是成
/ Y& A/ ?0 f/ ]' Q' a千上万个锁匠,他们同时试图制作一把可以打开这扇门的钥匙。在这个类比中,锁匠大量生产的钥匙就是
: F" Z# W1 P% s; Lnonce。根据用于制作每个钥匙的设备和过程,该钥匙将具有独特的模式,可能是形状或材料上的差异。) y1 }3 J* h5 C; _% e
能源效率提升60%
7 Y! O. K; C2 B o比特币挖矿设备在每瓦特电力下所产生的算力差异很大,一般而言,新型设备当然比旧型设备效率更高,此份研# H1 g; q& T* E: k" @& M
究以每个设备不同的算力,推算全网的平均效能,与2018年7月1日的89.3J/TH相比,如今比特币网络平均消耗将
1 Y" q4 g+ a1 x1 ?5 H低至33.6J/TH,网络的能源效率也大幅提高了约60%,等于每算力能量消耗量下降了37.5%。& v& Y8 `) D; d4 v( W ~
注:J/TH是一个能效单位,代表每瓦特小时(Jouleper Terahash)的能量消耗。每瓦特小时所消耗的能量越低,算8 ~1 J) {: t/ [( [
力效能越高。3 e. x" o6 D- m/ x' q/ B
h L) ?& L: k/ u/ J2 q
( o$ u& E w$ X
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