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[虚拟币交流] 比特币的挖矿成本大概是这么多?(转载)
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8 X% Y# y$ O0 p# t+ p0 a! c8 S干货——BTC挖矿电费成本到底是多少?0 [) \9 P$ b4 t5 X6 G8 H" P! l
很多人预言BTC在熊市不会跌破主流矿机的挖矿电费成本,包括著名BTC投资人李笑来。为什么这么说?可能有几方面原因:一是从历史经验来看,BTC确实没有跌破过主流电费成本。二是有一个逻辑就是,如果BTC价格一直跌,跌破主流矿机的挖矿成本,那么这些大矿场就会直接购买btc,这样对价格有一个支撑作用。那么既然明确了价格与挖矿成本存在这么一个关系,我们可以试着探讨电费成本问题。
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一、要确定电费成本,首先要大致预估挖矿难度的变化值,这样可以基本确定挖矿需要的电力。因为在相同电价的条件下,电费成本主要由挖矿难度决定。: o4 R" a: L6 S4 I2 _4 R$ G
BTC历史挖矿难度变动情况:
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7 ^' E5 k2 p3 C1 P" b很多人觉得熊市挖矿难度也会同步下降,但是sorry,即使在2018年这么大熊市,挖矿难度也增长了近2倍。(难度按照年初首次统计,年中基本呈波动上升状态)
1 k% {# I' X2 t) F2 z好了,那么我们取难度涨幅最低的值1.6倍来测算2019年的难度,测算下来,每期难度平均上涨约4%。这是我们后面测算的假设前提。
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, @0 P' z( B% N二、于是我们就得到了下面这个表。
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好了,很清楚了。第一档,家用电的小散,早就关机了。
" n) @+ z) Q5 ^& G2 x$ ]1 H: h+ ?第二档,普通水电、常规托管电费的,挖矿暂时没亏,但是算上矿机成本也早已亏本。" ?; {: R' s; {6 \
第三档,老少边穷的风电、火电等,如果买矿机的基本也是保本状态,因为按照1台s15每年大约挖0.3个btc,需要3台矿机同时挖1年才能得到1个btc,而矿机的使用周期差不多2年。
. J5 X3 N+ _/ `5 z$ J* _很多人还说有第4档,伊朗、乌克兰等0.1元甚至不要钱的电,请问有考虑ZZ、安全风险没,真的去的也是少数。呵呵。
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三、那么又一个问题来了,大家都亏损或接近亏损,为啥还有人挖?原来有一群人矿机成本是很低的,比如极寒同学,他们在新疆的矿场,BTC成本肯定不到2万。所以所谓的主流矿机挖矿成本为什么可以基本刨去矿机成本?明白了没。
3 {# t3 N" e& l: s# R当然,价格主要由供需决定,难度、算力都是随着价格波动。所以并不是说价格没有下降空间了,如果价格继续下降也是成立的。有什么疑问大家互相探讨。. h8 A; r! V1 [, \2 B0 [
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以前挖还能方便一些,现在估计很难了
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这个成本也是不知的了呀
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4#
挖矿这个概念和虚拟币关联起来,我真是一点也弄不明白
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5#
比特币还得挖,干什么都要学习啊
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比特币还得这样的操作是不懂的了
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不懂,挖矿感觉是富人 们的游戏的!
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8#
这个也是不错的帖子啊。
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9#
现在想挖币很难的啊。 国家不允许了
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