March 2022
Intermediate to advanced
293 pages
5h 31m
Chinese
Content preview from 精通区块链
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38 ｜ 第 2 章
H
A
= 51d37bdd871c9e1f4d5541be67a6ab625e32028744d7d4609d0c37747b40cd2d
这是第二笔交易的交易哈希：
H
B
= 60c25dda8d41f8d3d7d5c6249e2ea1b05a25bf7ae2ad6d904b512b31f997e1a1
这是第三笔交易的交易哈希：
H
C
= 01f314cdd8566d3e5dbdd97de2d9fbfbfd6873e916a00d48758282cbb81a45b9
这是第四笔交易的交易哈希：
H
D
= b519286a1040da6ad83c783eb2872659eaf57b1bec088e614776ffe7dc8f6d01
因此：
H
A+B
= 0d0eb1b4c4b49fd27d100e9cce555d4110594661b1b8ac05a4b8879c84959bd4
H
C+D
= bfae954bdb9653ceba3721e85a122fba3a585c5762b5ca5abe117b30c36c995e
H
A+B
+ H
C+D
= Merkle root =
2b12fcf1b09288fcaff797d71e950e71ae42b91e8bdb2304758dfcffc2b620e3
这里可以得到一个重要启示，默克尔树根可以用来快速检测区块链节点是否
被篡改。如果任何给定的节点上的区块链中的交易发生了任何篡改或损坏，
其默克尔树根哈希将不再与其他节点匹配。 ...
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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.