May 2019
Intermediate to advanced
480 pages
12h 43m
English
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Chapter 7. Proof of work
This chapter covers
- Making transactions censorship-resistant by allowing multiple “Lisas”
- Competing to produce the next block, or mining
- Understanding miner incentives
The previous chapter made it hard for Lisa to remove transactions by introducing a blockchain in which Lisa signs all blocks. This chapter will take this a step further and make the system censorship resistant so Lisa can’t censor transactions.
To make the system censorship resistant, we’ll replace the digital signatures in the block headers with proof of work (figure 7.1) to allow for any number of Lisas, or miners. These miners will compete to create the next block by trying to produce a valid proof of work. Miners can produce this proof by calculating ...
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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.