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 ｜ 83
这个选项可以通过“混淆”交易使得其无法被追踪。达世币实现了自己的新
型抗
ASIC
工作量证明算法称为
X11
。
3.6.2
门罗币
门罗币（
Monero
）同样面世于
2014
年，它采用基于
CryptoNote
协议的工作
量证明共识机制。
CryptoNote
使用一项被称为环签名（
ring signature
）的技术，
这是一种数字签名技术，可以让一组拥有密钥的用户隐藏某些信息。该系统
使得无法分辨签名所对应的密钥，从而提供了匿名性。此外诸如能隐藏交易
目的地址的隐匿地址（
stealth address
）以及能隐藏交易金额的环机密交易（
ring
confidential transactions
）等功能，也使得门罗币在更加注重隐私。
3.6.3
大零币
大零币（
Zcash
）面世于
2016
年，是目前最知名的隐私链之一。研究表明，
在某些情况下使用哈希会在加密系统中危及隐私。这些系统可能包括基于区
块链的加密货币，因为它们在公开的账本使用哈希。大零币使用了一种称为“零
知识非交互式证明”（
Zero-Knowledge Succinct Non-Interactive Arguments of
Knowledge
，
zk-SNARKs
）的技术来为其用户提供隐私保护。
zk-SNARKs
允许用户在彼此之间传输信息而不必共享他们的实际数据。尽
管这样的使用场景可能听起来有些奇怪，但在某些情况下，一方可能不想与
另一方共享私人信息。例如，区块链上的交易运行发送方和接收方轻松查看
他们所使用的交易所、钱包，以及和其他利益相关者进行的交易等信息 ...
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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.