Our book explains the movement to establish online trust through the decentralization of value, identity, and data ownership. This movement is part of ‘Web 3.0’, the idea that individuals rather than institutions will control and benefit from online social and economic activities. Blockchain technologies are the digital infrastructure for Web 3.0. While there are many books on blockchains, crypto, and digital assets, we focus on blockchain applications for Web 3.0. Our target audience is students, professionals, and managers who want to learn about the overall Web 3.0 landscape—the investments, the size of markets, major players, and the global reach—as well as the economic and social value of applications. We present applications that use Web 3.0 technologies to unlock value in DeFi, NFTs, supply chains, media, identity, credentials, metaverses, and more. Readers will learn about the underlying technologies, the maturity of Web 3.0 today, and the future of the space from thought-leaders. This textbook is used by undergraduate and graduate Blockchain Fundamentals courses at the University of Arkansas, the University of Wyoming, and other universities around the world. Professors interested in adopting this book for instructional purposes are welcome to contact the authors for supporting instructional materials.

The internet has undergone a remarkable metamorphosis since its inception. From the static web of the early days (Web 1.0) to the interactive and social web (Web 2.0), and now to the decentralized, intelligent, and immersive web (Web3), the evolution has been nothing short of astounding. This radical transformation has ushered in a new era in the digital realm, one that promises to reshape how we learn, communicate, transact, and interact with the world. Decentralizing the Online Experience with Web3 Technologies offers an exploration of the Web3 era, a transformative phase in the evolution of the internet. Beginning with the foundational understanding of Web3's core concepts, technologies, and tools, readers embark on a journey through the driving forces fueling its growth. The book demystifies blockchain technology, elucidating its basics and the practicalities of wallets and transactions. It delves into the world of cryptocurrencies, particularly Ethereum, and explores the disruptive potential of Decentralized Finance (DeFi). This knowledge empowers a diverse audience, from students to professionals and researchers across information technology, business, education, media, social sciences, and humanities.

This book introduces you to the world of Blockchain with an interesting AI perspective to the Blockchain, and with detailed associated videos to make concepts easier to understand. This book provides you with hands-on technical details to guide you to create your own smart contracts, NFTs, Tokens, Flash-loan algorithms, and AI and Machine learning algorithms. This book is aimed at newcomers to the concept of Blockchain, enthusiasts, explorists, who would like to learn about the concepts of Blockchain in simple terms, with easy to understand stories. This book provides a practical guidance and approach for utilizing Blockchain and its associated technologies in the real world scenario. You are not expected to be an expert in Solidity, Web3, Javascript or Python at all. What’s inside? The Story of Blockchain Solidity Programming Create your own tokens (coins) Create your own NFTs Web3 on node.js Web3 using python AI perspective to Blockchain Flash Loans Honestly speaking, this book is meant for those “lazy” engineers, aspiring blockchain, solidity developers, Web3 engineers, experienced IT professionals in other fields, who like the authors hate reading through lengthy books with several hundreds of pages of mathematical models and equations to even getting started with Blockchain. Many of us are looking for a book with not more than 170-180 pages to gain a very fundamental understanding of the Blockchain ecosystems, create your own contracts, NFTs. There are many books, articles, guides and documents published on Blockchain, and most of them either focus on smart contracts solely, or web3 reference books and most often they tend to be very lengthy, spanning several hundred pages. Of-course, they are aimed at serving an exhaustive content for readers to get a deep understanding on the subjects. As you go through the book, you will learn the concepts of Blockchain with simply explained stories, use cases for each technology and then set up your development technical environment to dive deeper in Solidity, Web3js, Web3py, Flash loans, Tokens, NFTs and last but not the least, an AI perspective to the blockchain. As you read through the book, hopefully the myths of cryptocurrencies, tokens, NFTs would be debunked, and you will get a very granular/basic to an implementation level understanding and approach of developing decentralized applications on the blockchain. Let us start learning!

This handbook equips academics, practitioners, and students with an understanding of the cutting-edge developments and applications of emerging blockchain technology. Covering the basic concepts while showcasing practical applications in intricate real-world situations, readers benefit from a useful balance of detailed and user-friendly coverage.

In the evolving landscape of smart cities, the integration of technology and real-time data management presents a dual-edged challenge and opportunity for urban accessibility. The web of devices, from smartphones and connected cars to homes and citizens, forms the backbone of a smart city's infrastructure. As cities strive to become technologically enhanced hubs, the need for seamless accessibility becomes paramount. However, this ambitious transformation encounters hurdles such as traffic congestion, inefficient energy distribution, and concerns about air quality. Enter Blockchain-Based Solutions for Accessibility in Smart Cities, a groundbreaking exploration that addresses the issues hindering the optimal realization of smart city accessibility. This book delves into the emergence of blockchain technologies within smart city infrastructures and offers a compelling narrative on how blockchain-based solutions can be the catalyst for overcoming these challenges. This innovative book is crafted with a specific audience in mind – researchers, faculty, and students committed to shaping a secure ecosystem for smart city infrastructure. By merging concepts of security, smart city infrastructure, and blockchain, this multidisciplinary approach ensures that readers gain a nuanced understanding of the challenges at hand. Whether immersed in academia or eager to contribute to the evolution of smart cities, Blockchain-Based Solutions for Accessibility in Smart Cities is a valuable resource that empowers readers to navigate the complexities and unlock the full potential of blockchain in urban accessibility.

This is the second edition of the book Token Economy originally published in June 2019. The basic structure of this second edition is the same as the first edition, with slightly updated content of existing chapters and four additional chapters: "User-Centric Identities," "Privacy Tokens," "Lending Tokens," and How to Design a Token System and more focus on the Web3. //Part one outlines the fundamental building blocks of the Web3, including the role of cryptography and user-centric digital identities. Part two explains Web3 applications like smart contracts, DAOs & tokens. The last two parts of the book focus on tokens as the atomic unit of the Web3, explaining the properties and functions of money and outlining the emerging field of decentralized finance (DeFi) that might power a potential future digital barter economy. Use cases such as asset tokens, purpose driven tokens, BAT (Basic Attention Token), social media tokens (Steemit, Hive and Reddit), privacy tokens, and stable tokens are explored, including the role of CBDCs (Central Bank Digital Currencies) and Facebook's Libra.//Tokens - often referred to as cryptocurrencies - can represent anything from an asset to an access right, such as gold, diamonds, a fraction of a Picasso painting or an entry ticket to a concert. Tokens could also be used to reward social media contributions, incentivize the reduction of CO2 emissions, or even ones attention for watching an ad. While it has become easy to create a token, which is collectively managed by a public Web3 infrastructure like a blockchain network, the understanding of how to apply these tokens is still vague. This book attempts to summarize existing knowledge about blockchain networks and other distributed ledgers as the backbone of the Web3, and contextualize the socio-economic implications of the Web3 applications such as smart contracts, tokens, and DAOs to the concepts of money, economics, governance and decentralized finance (DeFi).//The industry keeps referring to “Blockchain” as different from “Bitcoin,” creating an artificial divide that is often misleading. There seems to be too little understanding about the fact that Bitcoin is a blockchain network, which is (a) globally managed by people who mostly do not know each other, and (b) enabled by the consensus protocol that (c) incentivizes all network actors for their contributions with a native token. The governance rules are tied to the minting of a native blockchain token. The Bitcoin token can, therefore, be seen as the currency of a distributed Internet tribe, called the Bitcoin network, where network actors are rewarded with Bitcoins, just as the Ether is the currency of the distributed Internet tribe Ethereum network, or Sia is the native currency of the Sia network. The Bitcoin network and other distributed ledgers all represent a collectively maintained public infrastructure and are the backbone of the next generation Internet, what the crypto community refers to as the Web3.

Get up and running with blockchain, smart contracts, NFTs, DAOs, and decentralization in no time with the help of this comprehensive guide Key Features Get to grips with Web3, NFTs, DeFi, and smart contract development Create fungible and non-fungible tokens, explore DAOs, and more Build powerful apps using Ethereum to secure transactions and create smart contracts Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionWeb3, the new blockchain-based web, is often hailed as the future of the internet. Driven by technologies such as cryptocurrencies, NFTs, DAOs, decentralized finance, and more, Web3’s aim is to give individuals more control over the web communities they belong to. Whether you’re a beginner or an experienced developer, this book will help you master the intricacies of Web3 and its revolutionary technologies. Beginning with a concise introduction to blockchain and the Ethereum ecosystem, this book quickly immerses you in real-world blockchain applications. You’ll work on carefully crafted hands-on exercises that are designed for beginners as well as users with prior exposure. The chapters show you how to build and deploy smart contracts, while mastering security controls and discovering best practices for writing secure code. As you progress, you’ll explore tokenization and gain proficiency in minting both fungible and non-fungible tokens (NFTs) with the help of step-by-step instructions. The concluding chapters cover advanced topics, including oracles, Layer 2 (L2) networks, rollups, zero knowledge proofs, and decentralized autonomous organizations (DAOs). By the end of this Web3 book, you’ll be well-versed in the Web3 ecosystem and have the skills to build powerful and secure decentralized applications.What you will learn Get an in-depth understanding of Ethereum's ecosystem, its status, and key EIPs and ERCs Gain practical skills using non-custodial wallets such as MetaMask for blockchain transactions Write, debug, and deploy smart contracts on test networks Discover Web3 dev tools and set up a local environment Get to grips with tokenomics and create ERC20, ERC721, and ERC1155 tokens Explore decentralized storage with IPFS and integrate it into your Web3 projects Expand your NFT strategy with APIs and SDKs to lead in the NFT space Who this book is for This book is for blockchain developers and blockchain enthusiasts who want to build powerful and secure decentralized applications. Familiarity with the basics of blockchain, along with knowledge of how they function, is necessary to grasp the topics discussed in this book.

Metaverse the Next Revolution of the Internet DESCRIPTION The Metaverse is the next generation of the virtual reality-based digital world where users can engage in rich, multidimensional interactions with one another and virtual objects. Moreover, the Web3 revolution represents a technological breakthrough essential to the Metaverse creation. This book, ‘Metaverse and Web3’, provides a comprehensive overview of the technology involved in creating a Metaverse and the commercial possibilities that arise from this development. The role of many technologies in building a Metaverse is examined in detail, including Web3, 3D design and reconstruction, Blockchain, Smart Contracts, NFTs, and augmented and virtual reality. The book also discusses how the Metaverse will eventually replace the current web experience, moving it from a Web2 style to a fully immersive Web3 one. The book covers some topics like virtual properties in the Metaverse, games in the Metaverse, DeFi lending and borrowing platforms, decentralized applications, smart contracts, and decentralized autonomous organizations (DAOs). Additionally, the book also includes topics such as "Metaverse Avatars," "Crypto Arts," "Metaverse Music," and many other digital assets. Moreover, the book briefly overviews some of the most well-known Metaverse platforms, including Decentraland, Axie Infinity, Superworld, Cryptovoxels, The Sandbox, and Somnium Space. Most notably, this book shines in the following areas: ● Easy to understand the basics of Web3, Metaverse, and decentralized applications. ● Web3, 3D design/reconstruction, blockchain, smart contracts, NFTs, and augmented reality technology. ● Advantages of a Web3 environment above the current digital environment. ● Exploration of potential economic opportunities in the Metaverse. ● Gain knowledge of Metaverse Virtual Real Estate, Metaverse Gaming, Defi, Defi Lending and Borrowing Platforms, DApps, Smart Contracts, and DAOs. ● Various Metaverse components such as Metaverse Avatar, Crypto Art, and Metaverse Music Digital Assets. ● Learn the dos and don'ts of making money with cryptocurrency and how to make the most of your crypto holdings. ● Metaverse platforms include Decentraland, Axie Infinity, Superworld, Cryptovoxels, The Sandbox, and Somnium Space. WHO THIS BOOK IS FOR Anyone interested in interpreting the business landscape of the Metaverse and Web3, including developers, consultants, executives, investors, analysts, managers, students, and researchers, must read this book. TABLE OF CONTENTS 1. History 2. Web 3.0 3. Technologies Involved in Web 3.0 4. Role of Cryptocurrencies 5. Role of Blockchain 6. Role of Augmented Reality (AR) and Virtual Reality (VR) 7. NFT (Non-Fungible Token) 8. Centralized vs Decentralized 9. 3D Design and 3D Reconstruction 10. Web 3.0 and Artificial Intelligence 11. Metaverse and Blended Education 4.0 12. Governance, Security, and Privacy 13. Future of Blockchain and AI 14. Blockchain Use Cases in Different Industries 15. Entertainment and Fashion Industries in the Metaverse 16. Healthcare Industry in the Metaverse 17. Investment Guide - NFT, Cryptocurrency 18. Facebook Meta 19. Business Models and Opportunities in the Virtual Economy 20. Virtual Real Estate 21. Popular Metaverse Platforms 22. World of Gaming 23. Ways to Generate Crypto Income 24. Technologies Involved in Building Metaverse 25. Defi, Dapps, Smart Contracts, and DAOs 26. How to Avoid Risks and Scams in Metaverse 27. Current Challenges and Opportunities 28. Crypto Art and Metaverse Music 29. Importance of Metaverse Avatar 30. Metaverse and Digital Assets

Let's take a look at the beginnings of the technology that is now known as blockchain before delving into the specifics of how the blockchain works and the various other components of it. In 1991, a team of academic academics was the first to present the intellectual framework that underpins blockchain technology. The concept was first conceived for the purpose of time-stamping digital documents in such a way that it would be impossible to retroactively change their dates afterward. Despite this, the concept was mostly ignored until Satoshi Nakamoto brought it up once more in the white paper he published. It is possible that this is the first time in the history of the world that the creator of a game-changing technology has chosen to remain fully nameless. An unknown individual or group is said to be behind the creation of the first blockchain, which was Bitcoin. This person or group goes by the name Satoshi Nakamoto. 2009 marked the year when Bitcoin became the world's first cryptocurrency to use a blockchain. In the years that followed, bitcoin gained traction, and the technology that it was based on went on to gain an even greater following. Therefore, the uncertainty and lack of clarity among people began at the very beginning of the phenomenon itself; a product and the terminology associated with it became viral before the technology that underpinned it. And when the blockchain exhibited its true potential, people were attempting to associate it with the terminology of bitcoin, which resulted in a complete misunderstanding and confusion on everyone's part. On the other hand, you should begin with blockchain and work your way up to trying to grasp bitcoin. Before delving further into the particulars of the technology, there is another issue that has to be answered first. In order to label a piece of technology as revolutionary, it must, of course, offer significant advantages over previously existing technologies. The following are some advantages that blockchain technology has over pre-existing solutions in various industries: What is Blockchain? When we look at the data structure, data distribution, data validation (which refers to the authentication of a piece of data in blockchain), and other associated terminology of blockchain, we can get a good understanding of the characteristics. IBM defines blockchain as a shared and distributed ledger that makes it easier to record transactions and keep track of assets inside a network. Blockchain was developed by the company IBM. The asset might be a tangible one such as a piece of real estate, a house, or a vehicle, or it could be an intangible one such as digital money, the rights to intellectual property, or something similar. In its most basic form, it takes care of storing data and tracking where it goes throughout a decentralised network. Let's check at its specifics. On a P2P network, it functions as either a decentralised database or a public register that maintains information on assets and the transactions involving those assets. The use of encryption will be employed to ensure the safety of each transaction, and at some point in the future, the history of all transactions will be compiled into blocks of data and stored away. After that, the blocks are protected against alteration and connected to one another through the use of cryptography. The entirety of the procedure will result in the production of an unalterable and unfalsifiable record of the transactions that took place throughout the network. In addition to this, blocks of records are duplicated to all of the computers that are participating in the network, making it possible for everyone to have access to it. The fact that blockchain can store any form of asset together with facts about its ownership, a history of that ownership, and the placement of assets within the network is one of the technology's most significant advantages. Whether it be the virtual currency bitcoin or any other type of digital asset such as a certificate, personal information, a contract, title of ownership of intellectual property, or even the physical things themselves, digital assets may be used to store and transfer value. The most significant aspect of Blockchain is its ability to enable the creation of a shared reality between entities that cannot be trusted. That is to say that none of these participating nodes in the network are required to know or trust one another because each node possesses the capability to independently monitor and validate the chain. It's a cruel twist of fate that participants' inherent mistrust of one another is what ultimately ensures the blockchain's integrity and veracity.

Be part of the future of Web3, decoding blockchain data to build trust in the next-generation internet Key Features Build a deep understanding of the fundamentals of blockchain analytics Extract actionable business insights by modeling blockchain data Showcase your work and gain valuable experience to seize opportunities in the Web3 ecosystem Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionData is the new oil and Web3 is generating it at an unprecedented rate. Complete with practical examples, detailed explanations, and ideas for portfolio development, this comprehensive book serves as a step-by-step guide covering the industry best practices, tools, and resources needed to easily navigate the world of data in Web3. You’ll begin by acquiring a solid understanding of key blockchain concepts and the fundamental data science tools essential for Web3 projects. The subsequent chapters will help you explore the main data sources that can help address industry challenges, decode smart contracts, and build DeFi- and NFT-specific datasets. You’ll then tackle the complexities of feature engineering specific to blockchain data and familiarize yourself with diverse machine learning use cases that leverage Web3 data. The book includes interviews with industry leaders providing insights into their professional journeys to drive innovation in the Web 3 environment. Equipped with experience in handling crypto data, you’ll be able to demonstrate your skills in job interviews, academic pursuits, or when engaging potential clients. By the end of this book, you’ll have the essential tools to undertake end-to-end data science projects utilizing blockchain data, empowering you to help shape the next-generation internet.What you will learn Understand the core components of blockchain transactions and blocks Identify reliable sources of on-chain and off-chain data to build robust datasets Understand key Web3 business questions and how data science can offer solutions Build your skills to create and query NFT- and DeFi-specific datasets Implement a machine learning toolbox with real-world use cases in the Web3 space Who this book is for This book is designed for data professionals—data analysts, data scientists, or data engineers— and business professionals, aiming to acquire the skills for extracting data from the Web3 ecosystem, as it demonstrates how to effectively leverage data tools for in-depth analysis of blockchain transactional data. If you seek hands-on experience, you'll find value in the shared repository, enabling you to experiment with the provided solutions. While not mandatory, a basic understanding of statistics, machine learning, and Python will enhance your learning experience.