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"Unraveling the Enigma of Blockchain: The Revolutionary Technology Powering the Future" is an in-depth exploration of blockchain technology, a game-changer in the digital world. The book delves into the core principles of blockchain, illustrating how it functions as a decentralized, secure, and transparent distributed ledger technology. It comprehensively covers the initial and most popular application of blockchain in cryptocurrencies, but goes further to discuss its wider applications across various sectors like healthcare, finance, and supply chains. .
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Veröffentlichungsjahr: 2023
Who is Umut Saray?
The author is a graduate of electrical and electronics engineering, holding both a bachelor's and master's degree. For 15 years, he has been serving as an academician at Tokat Gaziosmanpaşa University. He has taught numerous courses in Biomedical, Electronics, and Software fields. Additionally, since 2016, he has been involved in producing R&D projects.
Cover Design
:
Dilek Aydemir
Contact
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ORCID ID
:
Umut Saray
0000-0003-3339-6876
Dear Reader,
Over the past decade, blockchain technology has emerged as one of the most striking technological revolutions of our time, profoundly altering not just how financial transactions are conducted, but also the fundamental building blocks of our data management, security, and digital interactions. This book, "Unraveling the Enigma of Blockchain: The Revolutionary Technology Powering the Future," is written to deeply explore the complex world of blockchain and to understand the potential impact of this innovative technology on our society and business world.
In this book, we delve into the fundamental principles, workings, and various applications of blockchain technology in detail. From cryptocurrencies to smart contracts, decentralized applications to sustainable energy solutions, we will discover the promising future this technology offers across a wide spectrum of applications. The challenges facing blockchain and the future directions of this technology are also covered in this book.
When the term "blockchain" first came into the limelight with the advent of Bitcoin, many saw this technology merely as a cryptocurrency. However, over time, it has become evident that blockchain extends far beyond the financial world, offering a much broader range of applications. Today, blockchain technology has the potential to revolutionize various sectors from supply chain management to healthcare services, education to the art world.
This book aims to demystify the complex concepts of blockchain technology, making it accessible to readers of all levels. While offering in-depth technical information for experts, we also aim to make the subject easily understandable for beginners. This book will serve as a valuable resource for technology enthusiasts, entrepreneurs, students, academics, and anyone interested in understanding the impact of blockchain on business and society.
I believe that blockchain is not just a technology of today but will also shape the future. With this book, I hope to guide you through this exciting journey.
Happy reading,
Umut Saray
Preface. i
Foreword. ii
Contents. v
Chapter 1: Introduction: What is Blockchain?. 1
Chapter 2: How Does Blockchain Technology Work? 7
Chapter 3: Blockchain Applications. 13
Chapter 4: Advantages of Using Blockchain. 21
Chapter 5: Disadvantages of Using Blockchain. 29
Chapter 6: Glossary of Blockchain Terms. 35
Chapter 7: Examples of Blockchain Applications. 43
Chapter 8: The Future of Blockchain. 51
References. 55
Glossary of Terms. 65
Blockchain technology, at its core, is a revolutionary approach to recording and sharing data across a distributed network of users. It is a type of distributed ledger technology (DLT) that maintains records in a decentralized manner, ensuring transparency, security, and immutability.
Historical Context: The concept of blockchain was first outlined in 2008 as the underlying technology for Bitcoin, the first cryptocurrency. However, the roots of blockchain can be traced back to earlier technologies like cryptographic time-stamping and distributed computing.
Basic Principles: At the heart of blockchain technology is the idea of a distributed ledger that is accessible to all participants but not controlled by any single entity. This ledger records transactions in a series of blocks, each containing a timestamp and a link to the previous block, forming a chain.
Decentralization: Unlike traditional centralized databases, where data is stored in a single location, a blockchain distributes the data across a network of computers. This decentralization enhances security and resilience against data breaches and system failures.
Transparency and Trust: Every transaction on the blockchain is visible to all participants, creating an environment of transparency. This visibility, combined with cryptographic security, fosters trust among users.
Immutability: Once recorded, the data in any given block cannot be altered retroactively without altering all subsequent blocks, which requires network consensus. This makes blockchain an excellent tool for recording transactions, agreements, contracts, and tracking assets.
Consensus Mechanisms: Blockchain relies on consensus mechanisms to validate transactions. The most common mechanisms are Proof of Work (PoW) and Proof of Stake (PoS), each with its own way of ensuring the validity and security of transactions.
Cryptography: The use of cryptographic techniques is fundamental to blockchain's security. Cryptography ensures that only the rightful owners can access their digital assets and that transactions are securely encrypted.
Smart Contracts: Beyond recording transactions, blockchain can execute smart contracts—self-executing contracts with the terms of the agreement directly written into code. These contracts automate and enforce the terms of an agreement, broadening the application of blockchain.
Potential and Challenges: While blockchain holds immense potential for revolutionizing various industries by offering a secure and transparent way to record transactions and manage data, it also faces challenges such as scalability, energy consumption, and regulatory issues.
Proof of Work (PoW): Proof of Work is a consensus mechanism used in blockchain networks for the verification of transactions and the addition of new blocks. This method requires miners to solve complex mathematical problems to validate transactions. The first miner to find a successful solution earns the right to add a new block and receives a reward. This process is designed to ensure the security of the network, but it has disadvantages such as high energy consumption and being time-consuming.
Proof of Stake (PoS): Proof of Stake is another consensus mechanism developed as an alternative to PoW. In this method, the block creation process is determined by the amount of cryptocurrency a miner holds and the duration of ownership. Users who own more cryptocurrency or have held it for a longer period have a higher probability of validating and adding new blocks. PoS offers energy efficiency and faster transaction validation processes, but it requires investment in a specific cryptocurrency.