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Building Blockchain Projects

You're reading from Building Blockchain Projects

Product type Book

Published in Apr 2017

Publisher Packt

ISBN-13 9781787122147

Pages 266 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Narayan Prusty

Table of Contents (16) Chapters

Title Page

Credits

About the Author

About the Reviewers

www.PacktPub.com

Customer Feedback

Preface

1. Understanding Decentralized Applications

2. Understanding How Ethereum Works

3. Writing Smart Contracts

4. Getting Started with web3.js

5. Building a Wallet Service

6. Building a Smart Contract Deployment Platform

7. Building a Betting App

8. Building Enterprise Level Smart Contracts

9. Building a Consortium Blockchain

Difference between online and offline wallets

A wallet is a collection of accounts, and an account is a combination of an address and its associated private key.

A wallet is said to be an online wallet when it is connected to the Internet. For example, wallets stored in geth, any website/database, and so on are called online wallets. Online wallets are also called hot wallets, web wallets, hosted wallets, and so on. Online wallets are not recommended at least when storing large amounts of ether or storing ether for a long time because they are risky. Also, depending on where the wallet is stored, it may require trusting a third party.

For example, most of the popular wallet services store the private keys of the wallets with themselves and allow you to access the wallet via an e-mail and password, so basically, you don't have actual access to the wallet, and if they want, they can steal the funds in the wallets.

A wallet is said to be an offline wallet when it is not connected to the Internet...

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Authors (1)

Narayan Prusty

Narayan Prusty is a full-stack developer. He works as a consultant for various start-ups around the world. He has worked on various technologies and programming languages but is very passionate about JavaScript, WordPress, Ethereum, Solr, React, Cordova, MongoDB, and AWS. Apart from consulting for various start-ups, he also runs a blog titled QNimate and a video tutorial site titled QScutter, where he shares information about a lot of the technologies he works on.

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