原文翻译
12. Conclusion
We have proposed a system for electronic transactions without relying on trust. We started with the usual framework of coins made from digital signatures, which provides strong control of ownership, but is incomplete without a way to prevent double-spending. To solve this, we proposed a peer-to-peer network using proof-of-work to record a public history of transactions that quickly becomes computationally impractical for an attacker to change if honest nodes control a majority of CPU power. The network is robust in its unstructured simplicity. Nodes work all at once with little coordination. They do not need to be identified, since messages are not routed to any particular place and only need to be delivered on a best effort basis. Nodes can leave and rejoin the network at will, accepting the proof-of-work chain as proof of what happened while they were gone. They vote with their CPU power, expressing their acceptance of valid blocks by working on extending them and rejecting invalid blocks by refusing to work on them. Any needed rules and incentives can be enforced with this consensus mechanism.
12.结论
我们提出了一种不依赖信任的电子交易系统。我们从常规的通过数字签名的货币框架开始，它提供了强有力的所有权控制，但如果没有办法防止双重支出，这将是不完整的。为了解决这个问题我们提出了一种用工作量证明来记录公开的历史交易记录的点对点网络。如果诚实的节点控制大部分CPU算力，从计算的角度上讲让攻击者改变数据很快就会变得不切实际。这个网络虽然结构简单却非常健壮。节点一起工作却几乎不需要协调。因为消息不会路由到任何特定的地方，只需要尽力而为，所以它们不需要身份认证，节点可以自由的加入或离开网络，以工作量证明链作为它们离开时产生的交易历史的证明。它们通过CPU算力投票，通过扩展它们来表达他们对有效块的接受，并通过拒绝对它们进行处理来拒绝无效块。任何所需的规则和激励措施都可以通过这种共识机制来实施。
细节解读
《Bitcoin: A Peer-to-Peer Electronic Cash System》论文原文地址如下：https://bitcoin.org/bitcoin.pdf
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