March 2022
Intermediate to advanced
293 pages
5h 31m
Chinese
Content preview from 精通区块链
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5
第
1
章
区块链技术的起源
对于新手来说，区块链这个词可能听起来很神秘，甚至还有点可怕。其字面
意思是由信息区块连接成的一条链，或许这就是区块链最简单的解释。区块
链的用途是什么？为什么需要区块链呢？
为了找到答案，我们回溯到网络诞生之初。互联网是为了存储和分发信息给
普通大众。区块链也有类似的目标，并且在互联网的基础之上优化和改进了
信息分发的方式。
1.1
电子系统和信任
在区块链、加密货币或使用它们的系统成为现实之前，互联网需要以一种可
靠的、分布式的方式存在，并提供给许多人使用。在
20
世纪
60
年代初期，
互联网还只是一个简单的、规模相对较小的网络，主要作为大学研究人员和
美国政府以数字方式共享信息的工具。
随着时间的推移，早期的互联网先驱者使互联网该系统变得越来越实用。其
中影响最大的是：
TCP/IP
的蓬勃发展并成为互联网的通信标准；
HTTP
使网
页浏览成为可能；
SMTP
提供发送电子邮件功能。这些协议使互联网不再仅
6 ｜ 第 1 章
限于研究人员使用，而是面向所有人，并且在越来越多的设备上使用包括电脑、
平板电脑，以及智能手机。
互联网的发展彻底改变了我们的生活，现在任何人随时就能获得大量的信息
和服务，其中大部分是免费的。然而，使用大多数在线产品或服务都需要有
个人或实体，即所谓的第三方，来充当可信的守门人
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.