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Learn Blockchain Programming with JavaScript

You're reading from   Learn Blockchain Programming with JavaScript Build your very own Blockchain and decentralized network with JavaScript and Node.js

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Product type Paperback
Published in Nov 2018
Publisher Packt
ISBN-13 9781789618822
Length 252 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Eric Traub Eric Traub
Author Profile Icon Eric Traub
Eric Traub
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Table of Contents (10) Chapters Close

Preface 1. Setting up the Project 2. Building a Blockchain FREE CHAPTER 3. Accessing the Blockchain through an API 4. Creating a Decentralized Blockchain Network 5. Synchronizing the Network 6. Consensus Algorithms 7. Block Explorer 8. In conclusion... 9. Other Books You May Enjoy

What is a block explorer?

A block explorer is an online platform that allows you to navigate through the blockchain, searching for various things including addresses, blocks, transactions, and so on. For example, if you visit https://www.blockchain.com/explorer, you can see a block explorer utility for the Bitcoin and Ethereum blockchains, as follows:

Inside of this block explorer, you can search the entire blockchain for a specific block, hash, or transaction, or any other piece of data that is required. The utility also displays results on an interface that's easy to understand. For example, if we search for Block #549897 in the block explorer, you'll see all the details of that particular block, as seen in the following screenshot:

This is exactly what we're going to build for our blockchain in this chapter.

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