August 2018
Beginner to intermediate
94 pages
2h 37m
English
Content preview from Learn Bitcoin and Blockchain
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Digital signature
This is the second building block of cryptocurrency and is digitally analogous to the hand written signatures that we usually make.
The properties of the digital signature are as follows:
- You can create your own signatures, but they can be verified by another person too
- The signature is tied to a particular document or message so that it cannot be used again and again for different documents and messages
Let's now look at an example of a digital signature in the following diagram:
Let's take an example and say that there is a string in the document which states that "I agree to pay $5000 for the software". Since this is ...
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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.