March 2022
Intermediate to advanced
293 pages
5h 31m
Chinese
Content preview from 精通区块链
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分叉和竞争链 ｜ 87
间（见图
3-7
）。这使得每个块中可以存储更多的交易，从而有效地提高交易
吞吐量。它还解决了交易延展性问题（
transaction malleability problem
），攻
击者利用漏洞通过攻击程序可以在比特币成块前修改其唯一标识符。到
2017
年
7
月，比特币网络上的矿工已经“锁定”了核心软件的升级，以实现隔离见证。
2017
年
8
月，隔离见证被激活并正式在网络上投入使用。
非隔离见证区块
隔离见证区块
区块头 区块头 区块头 区块头 区块头 区块头
见证根 见证根 见证根
交易 交易 交易 交易 交易 交易
的公钥 的公钥 的公钥
的公钥 的公钥 的公钥
的公钥 的公钥 的公钥
的公钥 的公钥 的公钥
的公钥 的公钥 的公钥
的签名 的签名 的签名
每个区块头都包括对该区
块中所有交易数据的加密
安全引用。
每个区块头仍然包括对该区块中所有
交易数据的加密安全引用，但负担（公
钥）与见证（签名）是分开引用的，因此
软件可以独立使用每个部分
图
3
-
7
：隔离见证和非隔离见证区块的技术比较
3.8.2
闪电网络
隔离见证的实施为另一项扩容方案提供了技术前提，这项方案被称为“闪电
网络”（
Lightning Network
），由
Joseph Poon
和
Thaddeus Dryja
在
2016
年
提出。闪电网络将比特币交易放在一个独立的“通道”（
channel
），将它们
无信任地从比特币主区块链中剥离出来。这使比特币得以持续增长，而无需
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.