Verleger: 8
Bellaj Badr, Richard Horrocks, Xun (Brian) Wu,...
The Blockchain is a revolution promising a new world without middlemen. Technically, it is an immutable and tamper-proof distributed ledger of all transactions across a peer-to-peer network. With this book, you will get to grips with the blockchain ecosystem to build real-world projects.This book will walk you through the process of building multiple blockchain projects with different complexity levels and hurdles. Each project will teach you just enough about the field's leading technologies, Bitcoin, Ethereum, Quorum, and Hyperledger in order to be productive from the outset. As you make your way through the chapters, you will cover the major challenges that are associated with blockchain ecosystems such as scalability, integration, and distributed file management. In the concluding chapters, you’ll learn to build blockchain projects for business, run your ICO, and even create your own cryptocurrency. Blockchain by Example also covers a range of projects such as Bitcoin payment systems, supply chains on Hyperledger, and developing a Tontine Bank Every is using Ethereum.By the end of this book, you will not only be able to tackle common issues in the blockchain ecosystem, but also design and build reliable and scalable distributed systems.
Brenn Hill, Samanyu Chopra, Paul Valencourt, Narayan...
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 Valencourt• Building Blockchain Projects by Narayan Prusty
Ishan Roy
Blockchain technology will continue to play an integral role in the banking and finance sector in the coming years. It will enable enterprises to build transparent and secure business processes. Experts estimate annual savings of up to 20 billion dollars from this technology. This book will help you build financial apps using blockchain, guiding you through enhancing popular products and services in the banking and finance sector. The book starts by explaining the essential concepts of blockchain, and the impact of blockchain technology on the BFSI sector. Next, you'll delve into re-designing existing banking processes and building new financial apps using blockchain. To accomplish this, you'll work through eight blockchain projects. By demonstrating the entire process, the book helps you understand everything from setting up the environment and building frontend portals to system integration and testing apps. You will gain hands-on experience with the Ethereum, Hyperledger Fabric, and Stellar to develop private and public decentralized apps. Finally, you'll learn how to use ancillary platforms and frameworks such as IPFS, Truffle OpenZeppelin, and MetaMask.By the end of this blockchain book, you'll have an in-depth understanding of how to leverage distributed ledgers and smart contracts for financial use cases.
Salman A. Baset, Luc Desrosiers, Nitin Gaur,...
Blockchain and Hyperledger are open source technologies that power the development of decentralized applications. This Learning Path is your helpful reference for exploring and building blockchain networks using Ethereum, Hyperledger Fabric, and Hyperledger Composer.Blockchain Development with Hyperledger will start off by giving you an overview of blockchain and demonstrating how you can set up an Ethereum development environment for developing, packaging, building, and testing campaign-decentralized applications. You'll then explore the de facto language Solidity, which you can use to develop decentralized applications in Ethereum. Following this, you'll be able to configure Hyperledger Fabric and use it to build private blockchain networks and applications that connect to them. Toward the later chapters, you'll learn how to design and launch a network, and even implement smart contracts in chain code. By the end of this Learning Path, you'll be able to build and deploy your own decentralized applications by addressing the key pain points encountered in the blockchain life cycle.This Learning Path includes content from the following Packt products:• Blockchain Quick Start Guide by Xun (Brian) Wu and Weimin Sun• Hands-On Blockchain with Hyperledger by Nitin Gaur et al.
Peter Lipovyanov
Blockchain for Business 2019 is a comprehensive guide that enables you to bring in various blockchain functionalities to extend your existing business models and make correct fully-informed decisions. You will learn how decentralized applications are transforming numerous business sectors that are expected to play a huge role in the future. You will see how large corporations are already implementing blockchain technology now. You will then learn about the various blockchain services, such as Bitcoin, Ethereum, Hyperledger, and others to understand their use cases in a variety of business domains. You will develop a solid fundamental understanding of blockchain architecture. Moving ahead, you will get to grips with the inner workings of blockchain, with detailed explanations of mining, decentralized consensus, cryptography, smart contracts, and many other important concepts. You will delve into a realistic view of the current state of blockchain technology, along with its issues, limitations, and potential solutions that can take it to the next level.By the end of this book, you will all be well versed in the latest innovations and developments in the emerging blockchain space.
Blockchain for Decision Makers. A systematic guide to using blockchain for improving your business
Romain Tormen
In addition to cryptocurrencies, blockchain-based apps are being developed in different industries such as banking, supply chain, and healthcare to achieve digital transformation and enhance user experience. Blockchain is not only about Bitcoin or cryptocurrencies, but also about different technologies such as peer-to-peer networks, consensus mechanisms, and cryptography. These technologies together help sustain trustless environments in which digital value can be transferred between individuals without intermediaries.This book will help you understand the basics of blockchain such as consensus protocols, decentralized applications, and tokenization. You'll focus on how blockchain is used today in different industries and the technological challenges faced while implementing a blockchain strategy. The book also enables you, as a decision maker, to understand blockchain from a technical perspective and evaluate its applicability in your business. Finally, you'll get to grips with blockchain frameworks such as Hyperledger and Quorum and their usability.By the end of this book, you'll have learned about the current use cases of blockchain and be able to implement a blockchain strategy on your own.
Narayan Prusty
The increasing growth in blockchain use is enormous, and it is changing the way business is done. Many leading organizations are already exploring the potential of blockchain. With this book, you will learn to build end-to-end enterprise-level decentralized applications and scale them across your organization to meet your company's needs. This book will help you understand what DApps are and how the blockchain ecosystem works, via real-world examples. This extensive end-to-end book covers every blockchain aspect for business and for developers. You will master process flows and incorporate them into your own enterprise. You will learn how to use J.P. Morgan’s Quorum to build blockchain-based applications. You will also learn how to write applications that can help communicate enterprise blockchain solutions. You will learn how to write smart contracts that run without censorship and third-party interference.Once you've grasped what a blockchain is and have learned about Quorum, you will jump into building real-world practical blockchain applications for sectors such as payment and money transfer, healthcare, cloud computing, supply chain management, and much more.
Blockchain. Fundament nowej gospodarki
Melanie Swan
Bitcoin i inne kryptowaluty na dobre zagościły w powszechnej świadomości, jednak większym osiągnięciem wydaje się technologia, która dała im twarde podstawy. Łańcuch bloków ma wyjątkowy potencjał. Prawdopodobnie zostanie piątym nowatorskim paradygmatem obliczeniowym po komputerach typu mainframe, pecetach, internecie i mobilnych sieciach społecznościowych. Okazuje się to jasne, jeśli uświadomimy sobie, czym w istocie jest łańcuch bloków: publicznym rejestrem, który może się stać ogólnoświatową, zdecentralizowaną księgą służącą do rejestrowania, inwentaryzowania i organizowania transferów wszelkiego rodzaju aktywów. Ta książka zawiera interesujące rozważania na temat teoretycznych, filozoficznych oraz społecznych implikacji kryptowalut i łańcucha bloków. Analizuje ogólne koncepcje, cechy i funkcjonalność bitcoina oraz technologii łańcucha bloków, a także związane z nimi możliwości dla światowej gospodarki. Nie ma tu precyzyjnych danych technologicznych, ale w wyczerpujący sposób omówiono naturę, rodzaje i zakresy działalności związanej z łańcuchem bloków. Poza dziedziną kryptowalut, finansów i działań rynkowych sporo miejsca poświęcono takim zagadnieniom jak genomika, ochrona zdrowia, nauczanie, działalność pomocowa i kulturalna. Opisano też zaawansowane koncepcje, jak waluty komplementarne obciążone demurrage'em w szerszym kontekście powszechnego wdrożenia technologii łańcucha bloków. W tej książce między innymi: najważniejsze koncepcje dotyczące bitcoina i łańcucha bloków modele organizacyjne odporne na cenzurę tworzenie zdecentralizowanego repozytorium cyfrowego do weryfikowania tożsamości zastosowanie łańcucha bloków do poprawy wykorzystania sieci do eksploracji danych osobiste kartoteki medyczne a łańcuch bloków Łańcuch bloków: już dziś warto wiedzieć, jak jutro wpłynie na gospodarkę!