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[lastpost] => 2769051 “比特币是下一个”:彼得·希夫抨击以太坊进入熊市(转) 1758816377 jackcool1011
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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
0 \/ i. C0 r5 T8 e: v/ u* 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
1 P5 D: G6 g2 b- e: Y; M4 h达76%。
- i7 X( \3 K3 u0 F8 u$ N! | A所有比特币矿机, Y2 m2 j; b4 ]+ Q! X0 c& o) }. V
S19j Pro占比最高" J+ _3 b6 f: H C( r
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 K2 P* l( F: w+ j5 i4 |' g
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
. Z" u( ^ W/ ^" S2 fM50低于最低可检测标准。
X0 H1 ]8 r; L比特币算力分布
' V) Y; `) R1 `5 m% ], x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# ]0 @9 @; W3 V8 L; R
同的计算能力。
- F- f7 I* _2 d L什么是Nonce?
6 o# }1 A6 d; J e! t; Q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3 D/ L& C, p6 R, T$ h' l1 w
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
: ?! o! [2 p! y$ \4 Ynonce。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。% f5 Y1 z$ c7 i8 d' I' h
能源效率提升60%6 S5 W7 ^$ V, p& o. `: n0 w% n' 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1 R1 y5 H4 D" M/ k% b8 J) i- c! D: N
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4 u/ W9 g, p, n l7 q* Y
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%。
6 l4 X; e N" ~- m2 L, f3 h3 e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7 v2 V _# s% \1 }: n) }& K. f
力效能越高。
6 V: m) n i( L, b; k2 }: b2 D" K8 W0 K$ B, a# P8 p" l2 }0 i
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