A Holistic View on Blockchain and Its Issues

A Holistic View on Blockchain and Its Issues

Mohd Azeem Faizi Noor, Saba Khanum, Taushif Anwar, Manzoor Ansari
Copyright: © 2023 |Pages: 20
DOI: 10.4018/978-1-6684-7132-6.ch001
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Abstract

Blockchain, the technology behind most popular cryptocurrency Bitcoin and Ethereum, has attracted wide attention recently. It is the most emerging technology that has changed the financial and non-financial transaction system. It is omnipresent. Currently, this technology is enforcing banks, industries, and countries to adopt it in their financial, industrial, and government section. Earlier, it solved the centralize and double-spending problems successfully. In this chapter, the authors present a study of blockchain security issues and its challenges as well. They divided the whole chapter into two parts. The primer part covers a holistic overview of blockchain followed by the later section that argues about basic operations, 51% attack, scalability issue, Fork, Sharding, Lightening, etc. Finally, they mention an intro about its adaptation (financial or non-financial) in our 24/7 life and collaboration with fields like IoT.
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Introduction

Blockchain is a neoteric technology that promises to shift routine activities from central parties to the actual users (decentral parties). It is seen as significantly for making systems more transparent and decentralised, an innovation through peer-to-peer architecture and cryptographic methods that should make middle intermediaries unnecessary and empowered individuals. All entries in the ledger are immutable. Blockchain advantages force businesses, banks, and various other fields towards decentralization. Also, the potential of blockchain is far beyond and higher than any buzz and it will change society by enabling trust among them.

Decentralization has various positive aspects over centralized and distributed systems. The centralized system has central dependency which affects the overall system if the central hub fails. To get rid of the dependency on single-point failure different nodes are empowered and made self-dependent. These participants or nodes of the system participate and work collectively to share, verify and build trust in the overall system (Yli-Huumo,Ko,Choi, Park, & Scotlander, 2016).

The objective of the research to explore various aspects of blockchain. We have tried to cover holistic view by encompassing vital sections of blockchain like different consensus mechanism, issues, and challenges in detail.

The Chapter is divided into four major sections. first section introduces the basic characters along with the difference with relative terms. Second sections shed light on working, types, and consensus mechanism. Third section issues and challenges in detail. And lastly, issues are mentioned specific to blockchain applications.

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