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Hands-On Blockchain for Python Developers

Hands-On Blockchain for Python Developers: Gain blockchain programming skills to build decentralized applications using Python

By Arjuna Sky Kok
$35.99 $24.99
Book Feb 2019 450 pages 1st Edition
eBook
$35.99 $24.99
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eBook
$35.99 $24.99
Print
$48.99
Subscription
$15.99 Monthly

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Product Details

Publication date : Feb 14, 2019
Length 450 pages
Edition : 1st Edition
Language : English
ISBN-13 : 9781788627856
Category :
Data
Languages :
Python (Expert)
Concepts :
Blockchain
toc View table of contents toc Preview Book toc Download Code

Key benefits

  • Stay up-to-date with everything you need to know about the blockchain ecosystem
  • Implement smart contracts, wallets, and decentralized applications(DApps) using Python libraries
  • Get deeper insights into storing content in a distributed storage platform

Description

Blockchain is seen as the main technological solution that works as a public ledger for all cryptocurrency transactions. This book serves as a practical guide to developing a full-fledged decentralized application with Python to interact with the various building blocks of blockchain applications. Hands-On Blockchain for Python Developers starts by demonstrating how blockchain technology and cryptocurrency hashing works. You will understand the fundamentals and benefits of smart contracts such as censorship resistance and transaction accuracy. As you steadily progress, you'll go on to build smart contracts using Vyper, which has a similar syntax to Python. This experience will further help you unravel the other benefits of smart contracts, including reliable storage and backup, and efficiency. You'll also use web3.py to interact with smart contracts and leverage the power of both the web3.py and Populus framework to build decentralized applications that offer security and seamless integration with cryptocurrencies. As you explore later chapters, you'll learn how to create your own token on top of Ethereum and build a cryptocurrency wallet graphical user interface (GUI) that can handle Ethereum and Ethereum Request for Comments (ERC-20) tokens using the PySide2 library. This will enable users to seamlessly store, send, and receive digital money. Toward the end, you'll implement InterPlanetary File System (IPFS) technology in your decentralized application to provide a peer-to-peer filesystem that can store and expose media. By the end of this book, you'll be well-versed in blockchain programming and be able to build end-to-end decentralized applications on a range of domains using Python.

What you will learn

Understand blockchain technology and what makes it an immutable database Use the features of web3.py API to interact with the smart contract Create your own cryptocurrency and token in Ethereum using Vyper Use IPFS features to store content on the decentralized storage platform Implement a Twitter-like decentralized application with a desktop frontend Build decentralized applications in the shape of console, web, and desktop applications

What do you get with eBook?

Feature icon Instant access to your Digital eBook purchase
Feature icon Download this book in EPUB and PDF formats
Feature icon Access this title in our online reader with advanced features
Feature icon DRM FREE - Read whenever, wherever and however you want
Buy Now

Product Details

Publication date : Feb 14, 2019
Length 450 pages
Edition : 1st Edition
Language : English
ISBN-13 : 9781788627856
Category :
Data
Languages :
Python (Expert)
Concepts :
Blockchain

Table of Contents

19 Chapters
Preface Packt Packt
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Section 1: Blockchain and Smart Contracts Packt Packt
Section 1: Blockchain and Smart Contracts
Introduction to Blockchain Programming Packt Packt
Introduction to Blockchain Programming
The rise of cryptocurrency and blockchain
Blockchain technology
Cryptography
The hashing function
Consensus
Coding on the blockchain
Summary
References
Smart Contract Fundamentals Packt Packt
Smart Contract Fundamentals
Installing an Ethereum development environment
Writing a smart contract
Deploying a smart contract to Ethereum blockchain
Interacting with smart contracts
Why smart contracts?
Summary
Further reading
Implementing Smart Contracts Using Vyper Packt Packt
Implementing Smart Contracts Using Vyper
Motivations behind Vyper
Installing Vyper
Creating a smart contract with Vyper
Deploying a smart contract to Ganache
Going deeper into Vyper
Interacting with other smart contracts
Compiling code programmatically
Other tricks
Summary
Section 2: Web3 and Populus Packt Packt
Section 2: Web3 and Populus
Interacting with Smart Contracts Using Web3 Packt Packt
Interacting with Smart Contracts Using Web3
Introduction to decentralized applications
Geth
Understanding the web3.py library
Interacting with smart contracts using web3.py
Summary
Populus Development Framework Packt Packt
Populus Development Framework
Setting up Populus
Smart contract unit test
Deploying a smart contract with Populus
Summary
Building a Practical Decentralized Application Packt Packt
Building a Practical Decentralized Application
Developing a simple voting application
Developing a commercial voting application
Developing a token-based voting application
Summary
Further reading
Section 3: Frontend Decentralized Applications Packt Packt
Section 3: Frontend Decentralized Applications
Frontend Decentralized Application Packt Packt
Frontend Decentralized Application
Setting up the Qt GUI library
Crash course on Qt for Python
Writing the smart contract for the Twitter–like application
Building the GUI frontend for the Twitter–like application
Summary
Section 4: Cryptocurrency and Wallets Packt Packt
Section 4: Cryptocurrency and Wallets
Creating Token in Ethereum Packt Packt
Creating Token in Ethereum
Token smart contract
ERC20
Selling a token
Stable coin
Summary
Further reading
Cryptocurrency Wallet Packt Packt
Cryptocurrency Wallet
Advanced features of the PySide2 library
Building a cryptocurrency wallet
Considerations when building a cryptocurrency wallet
Summary
Section 5: Decentralized Filesystem Packt Packt
Section 5: Decentralized Filesystem
InterPlanetary - A Brave New File System Packt Packt
InterPlanetary - A Brave New File System
The motivation behind IPFS
Merkle DAG
Peer-to-peer networking
Summary
Using ipfsapi to Interact with IPFS Packt Packt
Using ipfsapi to Interact with IPFS
Installing the IPFS software and its library
Content hashing
The ipfsapi API
Summary
Further reading
Implementing a Decentralized Application Using IPFS Packt Packt
Implementing a Decentralized Application Using IPFS
Architecture of the decentralized video-sharing application
Writing the video-sharing smart contract
Building the video-sharing web application
Note
Summary
Further reading
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Authors (1)

Profile Vajrasky Kok
Linkedin Github
Arjuna Sky Kok has experience more than 10 years in expressing himself as a software engineer. He has developed web applications using Symfony, Laravel, Ruby on Rails, and Django. He also has built mobile applications on top of Android and iOS platforms. Currently, he is researching Ethereum technology. Other than that, he teaches Android and iOS programming to students. He graduated from Bina Nusantara University with majors in Computer Science and Applied Mathematics. He always strives to become a holistic person by enjoying leisure activities, such as dancing Salsa, learning French, and playing StarCraft 2. He lives quietly in the bustling city of Jakarta. In loving memory of my late brother, Hengdra Santoso (1979-2011).
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