AN OVERVIEW OF BLOCK-CHAIN TECHNOLOGY AND RELATED SECURITY ATTACKS: SYSTEMATIC LITERATURE REVIEW
Blockchain technology, a transformative innovation with diverse applications, raises concerns about the security and integrity of its networks. This article provides a comprehensive review, introducing blockchain concepts such as consensus algorithms, distributed ledgers, and cryptographic methods. Understanding these fundamentals is crucial for grasping the operational and security aspects of blockchain systems. The research delves into real-world applications across industries like energy, supply chain, healthcare, and banking, examining both benefits and challenges. Additionally, this study addresses cyberattacks on blockchain networks, identifying and analyzing prevalent types like double spending, Sybil attacks, 51% assaults, and smart contract vulnerabilities. The findings enable the design of robust security measures to safeguard blockchain networks.
Blockchain Technology, Security Attacks, Cryptocurrency, Cybersecurity, Cryptographic Techniques, Privacy in Blockchain.