比特币未来的挑战

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比特币未来的挑战

By Jerry Brito 2013.7.29 翻译：hwwbc555

Dan Kaminsky 指出了比特币的最致命的弱点：个人掌控了超过了全网总算力的50%的潜在可能。如果有人控制了超过50%的算力，那么他就可能带来各种危害，这其中包括让交易回滚，造成他人交易无法确认等。


伴随随着算力转向专业化的矿机ASIC设备的是绝大多数人对网络的控制能力的削弱，也就是说这更加便利了一个矿池，几个矿工甚至是一个矿工控制整个网络。Kaminsky建议将比特币原有的算力计算方式向一般用途的电脑倾斜，如此就能保证控制全网算力的人群的扩大--尽管这也意味着有人可能会利用僵尸网络对比特币网络进行控制。

原文：
The Challenges Ahead for Bitcoin

cato-unbound.org / By Jerry Brito / July 29, 2013

Dan Kaminsky points out one of Bitcoin’s greatest weaknesses: the potential for a bad actor to gain control of more than 50 percent of the network’s computing power. If that happened, the bad actor could engage in all kinds of mischief, including reversing his transactions and preventing others’ transactions from being confirmed.

As Bitcoin’s computing power moves to specialized computers known as ASICs, the universe of persons who control the network shrinks—thus making it easier that a pool of just a few miners (or potentially just one), could take control of the network. Kaminsky suggests changing Bitcoin’s proof of work math to be more amenable to solution by general purpose PCs, thus ensuring the expansion of the the number of persons who control the network’s computing power—even if that means that criminal botnets will get in on the action.

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地址：http://www.thebitcoinchannel.com/archives/18519