回复：可扩展性和交易速率
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当前这种每个用户都是网络节点的系统，并不是面向大规模应用的预期配置。那就像每个 Usenet 用户都运行自己的 NNTP 服务器一样。这个设计支持让用户只做用户。运行节点的负担越重，节点就会越少。那少数节点将会是大型服务器集群。其余的则是只进行交易、不生成新币的客户端节点。
引用 bytemaster 于 2010 年 7 月 28 日 08:59:42 PM 的发言
此外，等 10 分钟来验证付款有效实在太久了。它需要像如今刷信用卡一样快。
请看零食售货机那个帖子，我在其中概述了支付处理商如何能相当充分地——实际上是非常充分地（欺诈率远低于信用卡）——在大约 10 秒或更短时间内验证付款。如果你不相信我或没明白，我没有时间设法说服你，抱歉。 http://bitcointalk.org/index.php?topic=423.msg3819#msg3819
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The current system where every user is a network node is not the intended configuration for large scale. That would be like every Usenet user runs their own NNTP server. The design supports letting users just be users. The more burden it is to run a node, the fewer nodes there will be. Those few nodes will be big server farms. The rest will be client nodes that only do transactions and don't generate.
Quote from: bytemaster on July 28, 2010, 08:59:42 PM
Besides, 10 minutes is too long to verify that payment is good. It needs to be as fast as swiping a credit card is today.
See the snack machine thread, I outline how a payment processor could verify payments well enough, actually really well (much lower fraud rate than credit cards), in something like 10 seconds or less. If you don't believe me or don't get it, I don't have time to try to convince you, sorry. http://bitcointalk.org/index.php?topic=423.msg3819#msg3819