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

Arjuna Sky Kok

$24.99 ~~$35.99~~

3.7 (3 Ratings)

eBook Feb 2019 450 pages 1st Edition

Arjuna Sky Kok

$24.99 ~~$35.99~~

3.7 (3 Ratings)

eBook Feb 2019 450 pages 1st Edition

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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.

Who is this book for?

If you are a Python developer who wants to enter the world of blockchain, Hands-On Blockchain for Python Developers is for you. The book will be your go-to guide to becoming well-versed with the blockchain ecosystem and building your own decentralized applications using Python and library support.

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?

Instant access to your Digital eBook purchase

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

AI Assistant (beta) to help accelerate your learning

Product Details

Publication date : Feb 14, 2019

Length: 450 pages

Edition : 1st

Language : English

ISBN-13 : 9781788624640

Category :

Data

Languages :

Python

Concepts :

Blockchain

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18 Chapters

Section 1: Blockchain and Smart Contracts

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

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

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

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

Setting up Populus

Smart contract unit test

Deploying a smart contract with Populus

Summary

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

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

Creating Token in Ethereum

Cryptocurrency Wallet

Advanced features of the PySide2 library

Building a cryptocurrency wallet

Considerations when building a cryptocurrency wallet

Summary

Section 5: Decentralized Filesystem

InterPlanetary - A Brave New File System

The motivation behind IPFS

Merkle DAG

Peer-to-peer networking

Summary

Using ipfsapi to Interact with IPFS

Installing the IPFS software and its library

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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Customer reviews

Rating distribution

3.7

(3 Ratings)

5 star 33.3%

4 star 0%

3 star 66.7%

2 star 0%

1 star 0%

Amazon Customer Aug 17, 2019

This book is well written. Straight to point, without unnecessary detail. One thing I found fascinating is the hands-on approach. i give it to Arjuna. More power to you. I highly recommend. I am now at the 5th Chapter, and everything work as breeze.

Amazon Verified review

MR M KORSIKOV May 17, 2022

Author did a great job describing step by step contract creation however a lot of app versions and libraries are no longer supported. After chapter 3 you won't be able to see in practice what is described in the book.I would recommend being anything not older than 1 (one) year to benefit from practical application of knowledge.

Amazon Verified review

Marcos B. Sep 18, 2022

This book should be updated, I had to literally read it alongside with the Brownie and Vyper documentation because Populous is no longer maintained, and Vyper itself has changed a lot as well.Overall, it is a nice book. However, bear in mind that you are gonna be reading a lot of documentation.I would had loved to see a chapter about contract's Inheritance capability instead of IPFS.

Amazon Verified review

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About the author

Arjuna Sky Kok

Arjuna Sky Kok is a skilled quantitative software engineer with a passion for all things related to finance and technology. He lives in Jakarta, where he studied mathematics and programming at a university. Arjuna's academic achievements include double degrees in Computer Science and Mathematics. Right now, he's focusing his talent in the crypto space. He believes that DeFi and NFTs will serve as the foundation for future finance, and he also has a keen interest in AI, especially Large Language Models (LLM). Outside his job, he enjoys watching anime and climbing mountains.

See other products by Arjuna Sky Kok

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

What do you get with eBook?