Build Your Own Blockchain In Js

Are you fascinated by the world of cryptocurrencies and blockchain technology? Do you want to learn how to create your own blockchain from scratch? Look no further! In "Build Your Own Blockchain in JavaScript," Sankar Srinivasan, a certified market professional of the National Stock Exchange of India, provides a comprehensive and practical guide to help you master the art of building a blockchain using JavaScript. In this beginner-friendly book, Sankar Srinivasan demystifies the complex concepts behind blockchain technology and breaks them down into easy-to-understand steps. With his expertise in both finance and programming, Sankar provides a unique perspective that combines the principles of blockchain with real-world financial applications. Key Features: - Step-by-step instructions: Follow along with detailed instructions to build your own blockchain using JavaScript, from setting up your development environment to implementing key features. - Practical examples: Gain hands-on experience through practical examples and code snippets that illustrate the concepts in action. - Solid foundation: Develop a strong understanding of blockchain technology, including consensus algorithms, transaction handling, and data validation. - Security and encryption: Learn how to implement security measures such as cryptographic hashing and digital signatures to ensure the integrity and confidentiality of your blockchain. - Smart contracts: Explore the world of smart contracts and discover how to write and deploy them on your blockchain. - Real-world applications: Discover the potential applications of blockchain technology in finance, supply chain management, and more. Whether you're a developer looking to expand your skills or a cryptocurrency enthusiast eager to dive deeper into the underlying technology, "Build Your Own Blockchain in JavaScript" is your go-to resource. With Sankar Srinivasan as your guide, you'll gain the knowledge and confidence to build your own blockchain solutions and explore the endless possibilities of this groundbreaking technology. Free eBook "Understanding Blockchain" is included.

Explore the essentials of blockchain technology with JavaScript to develop highly secure bitcoin-like applications Key FeaturesDevelop bitcoin and blockchain-based cryptocurrencies using JavaScriptCreate secure and high-performant blockchain networksBuild custom APIs and decentralized networks to host blockchain applicationsBook Description Learn Blockchain Programming with JavaScript begins by giving you a clear understanding of what blockchain technology is. You’ll then set up an environment to build your very own blockchain and you’ll add various functionalities to it. By adding functionalities to your blockchain such as the ability to mine new blocks, create transactions, and secure your blockchain through a proof-of-work you’ll gain an in-depth understanding of how blockchain technology functions. As you make your way through the chapters, you’ll learn how to build an API server to interact with your blockchain and how to host your blockchain on a decentralized network. You’ll also build a consensus algorithm and use it to verify data and keep the entire blockchain network synchronized. In the concluding chapters, you’ll finish building your blockchain prototype and gain a thorough understanding of why blockchain technology is so secure and valuable. By the end of this book, you'll understand how decentralized blockchain networks function and why decentralization is such an important feature for securing a blockchain. What you will learnGain an in-depth understanding of blockchain and the environment setupCreate your very own decentralized blockchain network from scratchBuild and test the various endpoints necessary to create a decentralized networkLearn about proof-of-work and the hashing algorithm used to secure dataMine new blocks, create new transactions, and store the transactions in blocksExplore the consensus algorithm and use it to synchronize the blockchain networkWho this book is for Learn Blockchain Programming with JavaScript is for JavaScript developers who wish to learn about blockchain programming or build their own blockchain using JavaScript frameworks.

In this book you will learn, even as an absolute beginner, how to build your own blockchain on your own computer and link it to a smart contract (trading bot).

Build decentralized applications using BlockchainÕs core technology Ê KEY FEATURESÊÊ _ Explore the engineering mechanism of Blockchain, Cryptocurrency, and Ethereum. _ Know-how of peer-to-peer networks, IPFS, and decentralised databases. _ Explore the working of DApps and build your own blockchain app. DESCRIPTIONÊÊ Blockchain is a revolutionary technology that shook the core of the finance world. However, Blockchain is not just about Cryptocurrency. This book focuses on Blockchain, its features, and the core technologies that are used to build the Blockchain network. In the first section, you will learn about Blockchain in-depth. Then, the book covers the two most popular Cryptocurrencies - Bitcoin and Ethereum. You will learn how these currencies work and how you can build your applications using these currencies. Moving on, you will learn about the decentralized databases. Decentralized databases can be used to build next-generation software applications. You will learn about various databases and how to use them in detail. Lastly, you will learn how the existing decentralized applications work, their architecture, and how they are incorporated into the application for the end-user. WHAT YOU WILLÊ LEARN _ Learn to build your own P2P network. _ Cutting-edge coverage on how cryptocurrency works. _ Learn smart techniques to develop your own DApps on Ethereum platform. _ Learn to use decentralized databases including OrbitDB. WHO THIS BOOK IS FOR This book is for anyone who wants to become a Blockchain developer or wants to build an application using Blockchain. Full stack developers, software engineers, web programmers, and beginners who are interested in Blockchain can find this book a true handy guide to begin their career in Blockchain.Ê TABLE OF CONTENTSÊÊ 1. Introduction to Blockchain and decentralized network 2. Ethereum, Smart Contracts and DApps 3. Interplanetary file system 4. OrbitDB - Peer to peer distributed database 5. BigchainDB 6. TiesDB 7. BluZelle 8. Amazon QLDB 9. OpenBazaar 10. DTube 11. Ocean protocol

Use this book to write an Ethereum Blockchain Smart Contract, test it, deploy it, and create a web application to interact with your smart contract. Beginning Ethereum Smart Contracts Programming is your fastest and most efficient means of getting started if you are unsure where to begin and how to connect to the Ethereum Blockchain. The book begins with a foundational discussion of blockchain and the motivation behind it. From there, you will get up close and personal with the Ethereum Blockchain, learning how to use an Ethereum client (geth) to connect to the Ethereum Blockchain to perform transactions such as sending Ethers to another account. You will learn about smart contracts without having to wade through tons of documentation. Author Lee’s “learn-by-doing” approach will allow you to be productive and feel confident in your ability in no time. The last part of this book covers tokens, a topic that has taken the cryptocurrency market by storm. Sample code in Python, Solidity, and JavaScript is provided in the book and online. What You'll LearnUnderstand the basic premise of blockchain and “record keeping” in a peer-to-peer network Experience blockchain in action by creating your own blockchain using Python Know the foundation of smart contracts programming and how to deploy and test smart contracts Work on a case study to illustrate the use of blockchain Be familiar with tokens, and how to create and launch your own ICO digital token Write smart contracts that transact using tokens Who This Book Is For Those who want to get started quickly with Ethereum Smart Contracts programming. Basic programming knowledge and an understanding of Python or JavaScript is recommended.

This book provides a comprehensive introduction to blockchain and distributed ledger technology. Intended as an applied guide for hands-on practitioners, the book includes detailed examples and in-depth explanations of how to build and run a blockchain from scratch. Through its conceptual background and hands-on exercises, this book allows students, teachers and crypto enthusiasts to launch their first blockchain while assuming prior knowledge of the underlying technology. How do I build a blockchain? How do I mint a cryptocurrency? How do I write a smart contract? How do I launch an initial coin offering (ICO)? These are some of questions this book answers. Starting by outlining the beginnings and development of early cryptocurrencies, it provides the conceptual foundations required to engineer secure software that interacts with both public and private ledgers. The topics covered include consensus algorithms, mining and decentralization, and many more. “This is a one-of-a-kind book on Blockchain technology. The authors achieved the perfect balance between the breadth of topics and the depth of technical discussion. But the real gem is the set of carefully curated hands-on exercises that guide the reader through the process of building a Blockchain right from Chapter 1.” Volodymyr Babich, Professor of Operations and Information Management, McDonough School of Business, Georgetown University "An excellent introduction of DLT technology for a non-technical audience. The book is replete with examples and exercises, which greatly facilitate the learning of the underlying processes of blockchain technology for all, from students to entrepreneurs.” Serguei Netessine, Dhirubhai Ambani Professor of Innovation and Entrepreneurship, The Wharton School, University of Pennsylvania "Whether you want to start from scratch or deepen your blockchain knowledge about the latest developments, this book is an essential reference. Through clear explanations and practical code examples, the authors take you on a progressive journey to discover the technology foundations and build your own blockchain. From an operations perspective, you can learn the principles behind the distributed ledger technology relevant for transitioning towards blockchain-enabled supply chains. Reading this book, you'll get inspired, be able to assess the applicability of blockchain to supply chain operations, and learn from best practices recognized in real-world examples." Ralf W. Seifert, Professor of Technology and Operations Management at EPFL and Professor of Operations Management at IMD

This book is intended to be a springboard for curious individuals and professionals to bolster their knowledge of Blockchain and its practical applications. It contains information on how to implement different blockchain solutions as well as their implications; both near and far reaching. This book is not intended as a comprehensive treatise on Blockchain, nor all its practical methods of application. It should be treated as a beginner’s - intermediate guide, not a compendium of all knowledge about Blockchain)

Build real-world projects like a smart contract deployment platform, betting apps, wallet services, and much more using blockchain Key FeaturesApply blockchain principles and features for making your life and business betterUnderstand Ethereum for smart contracts and DApp deploymentTackle current and future challenges and problems relating to blockchainBook Description Blockchain applications provide a single-shared ledger to eliminate trust issues involving multiple stakeholders. It is the main technical innovation of Bitcoin, where it serves as the public ledger for Bitcoin transactions. Blockchain Developer's Guide takes you through the electrifying world of blockchain technology. It begins with the basic design of a blockchain and elaborates concepts, such as Initial Coin Offerings (ICOs), tokens, smart contracts, and other related terminologies. You will then explore the components of Ethereum, such as Ether tokens, transactions, and smart contracts that you need to build simple DApps. Blockchain Developer's Guide also explains why you must specifically use Solidity for Ethereum-based projects and lets you explore different blockchains with easy-to-follow examples. You will learn a wide range of concepts - beginning with cryptography in cryptocurrencies and including ether security, mining, and smart contracts. You will learn how to use web sockets and various API services for Ethereum. By the end of this Learning Path, you will be able to build efficient decentralized applications. This Learning Path includes content from the following Packt products: Blockchain Quick Reference by Brenn Hill, Samanyu Chopra, Paul ValencourtBuilding Blockchain Projects by Narayan PrustyWhat you will learnUnderstand how various components of the blockchain architecture workGet familiar with cryptography and the mechanics behind blockchainApply consensus protocol to determine the business sustainabilityUnderstand what ICOs and crypto-mining are, and how they workWho this book is for Blockchain Developer's Guide is for you if you want to get to grips with the blockchain technology and develop your own distributed applications. It is also designed for those who want to polish their existing knowledge regarding the various pillars of the blockchain ecosystem. Prior exposure to an object-oriented programming language such as JavaScript is needed.