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求解惑,比特币的安全性
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Topic: 求解惑,比特币的安全性 (Read 1040 times)
wywoc
(OP)
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求解惑,比特币的安全性
October 29, 2013, 01:45:37 AM
#1
刚看到一个地址
https://blockchain.info/zh-cn/address/1111111111111111111114oLvT2
可以算出这么长,只差6位了,那运算力再强大岂不是可以算出其它地址的私钥了。如果那样,比特币还有什么价值?
qzx881112
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Re: 求解惑,比特币的安全性
October 29, 2013, 02:38:03 AM
#2
从差六位到全部算出来还有很长的路
blake
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Re: 求解惑,比特币的安全性
October 29, 2013, 02:41:05 AM
#3
这难度是指数级增长的
796土豪争霸赛!10日开赛!!!一键点击参赛
wywoc
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Re: 求解惑,比特币的安全性
October 29, 2013, 02:52:17 AM
#4
到底有多长的路,如果一个大型研究机构要攻破一个地址也几乎不可能,那样才能让人放心啊
servicelabs
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itkylin.com
Re: 求解惑,比特币的安全性
October 29, 2013, 03:02:36 AM
#5
能从比特币地址计算出相配对的私匙么?
不可能。比特币地址原理是基于EDSA即椭圆曲线加密算法的,由该算法可以有私匙算出公匙,但是不能由公匙反向计算出私匙。具体原理请点
这里
。
ITKYLIN
bankaccount
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Re: 求解惑,比特币的安全性
October 29, 2013, 03:13:00 AM
#6
要是在能看到的将来就能暴力破解的话,我想没有这么多人(其中还有好多密码高手)玩这玩意儿了
jl2012
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Re: 求解惑,比特币的安全性
October 29, 2013, 04:00:16 AM
#7
Quote from: wywoc on October 29, 2013, 01:45:37 AM
刚看到一个地址
https://blockchain.info/zh-cn/address/1111111111111111111114oLvT2
可以算出这么长,只差6位了,那运算力再强大岂不是可以算出其它地址的私钥了。如果那样,比特币还有什么价值?
不是算出來的, 根本沒有人有這地址的private key. 如果可以算出這個來, 等於是把bitcoin破解了
另外最後那6位是檢查碼, 不能改變的
Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
fmtzhangli
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⇾
Re: 求解惑,比特币的安全性
October 29, 2013, 05:48:59 AM
#8
那个地址里的币没有任何人可以用
dukong
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Re: 求解惑,比特币的安全性
October 30, 2013, 12:36:38 AM
#9
Quote from: wywoc on October 29, 2013, 01:45:37 AM
刚看到一个地址
https://blockchain.info/zh-cn/address/1111111111111111111114oLvT2
可以算出这么长,只差6位了,那运算力再强大岂不是可以算出其它地址的私钥了。如果那样,比特币还有什么价值?
也不一定是他设定了前面这么多位,碰巧出现也是有可能的。
比如他设定的时候是7个“1”开头的(这是短时间内可以算出的),刚好算出来的时候后面跟了更多的“1”,可能碰巧而已。
http://btc.ondn.net
QQ:7443251
ef_asm
Member
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Activity: 93
Merit: 10
Re: 求解惑,比特币的安全性
November 01, 2013, 10:37:18 AM
#10
这是一个无效的地址,发到这个地址的币就相当于被销毁了。
bitalk
Hero Member
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Activity: 630
Merit: 500
Re: 求解惑,比特币的安全性
November 02, 2013, 12:30:48 AM
#11
还是多关心点别的吧
一件小事证明现在ICO多疯狂!
getfreebtc
Sr. Member
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Activity: 448
Merit: 250
Re: 求解惑,比特币的安全性
November 02, 2013, 01:47:10 AM
#12
放心,BTC还是很安全的
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