March 2022
Intermediate to advanced
293 pages
5h 31m
Chinese
Content preview from 精通区块链
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80 ｜ 第 3 章
货币爱好者（
ASIC
广泛用于各种技术应用中，使用专门设计的芯片可以高
效执行特定任务。
Scrypt
是另外一种工作量证明算法，类似比特币的
SHA-
256
，但又有一些不同的特性）。由于莱特币使用
Scrypt
，人们可以在同一
台电脑上同时开采比特币和莱特币。但因为算法的不同，
Scrypt
限制了使用
ASIC
的比特币矿工从莱特币获利。
虽然开发莱特币，
Lee
只用了一周的规划设计时间和四个小时来编写代码。但
莱特币仍是市值排名前十的加密货币。
3.4.2
其他的竞争币实验
自早期以来有各式各样的竞争币出现。其中有一些有趣的例子：
狗狗币（
Dogecoin
）
2013
年，程序员比利
·
马库斯（
Billy Markus
）和市场营销专家杰克逊
·
帕尔默（
Jackson Palmer
）发明了狗狗币，狗狗币是互联网文化中的迷因
与加密货币的跨界。狗狗币开始于推特上的一个玩笑（见图
3-6
），帕尔
默建议基于网络上的迷因柴犬（
doge
）创造加密货币。他的想法获得了关
注，并形成了一个围绕着狗狗币的生态圈。狗狗币的相对的进入门槛低，
货币发行总量没有上限，这导致它的价格一直比较低。
图
3
-
6
：狗狗币从一条简单的推文开始
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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.
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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.