Background of the Study:
Blockchain technology has emerged as a transformative force in financial services, offering enhanced transparency, security, and efficiency. In Delta State, Polaris Bank has begun exploring blockchain as a tool to prevent bank fraud by creating immutable, decentralized ledgers that record every transaction securely (Adeniyi, 2023). Blockchain’s unique characteristics—such as tamper-proof records and real-time verification—have the potential to significantly reduce fraud by making it exceedingly difficult for malicious actors to manipulate transactional data. The technology fosters trust among customers and regulators by providing a transparent audit trail for every financial transaction. Polaris Bank’s initiative to integrate blockchain into its operational framework is part of a broader strategy to modernize its fraud prevention measures and improve overall security. By leveraging blockchain, the bank aims to minimize fraudulent activities, reduce operational risks, and enhance the integrity of its financial processes. This study explores how blockchain technology can be effectively deployed to prevent bank fraud, assessing its potential to transform fraud detection and resolution mechanisms. It examines recent implementation experiences and technological advancements in blockchain from 2023 to 2025, providing insights into its role in creating a more secure banking environment (Ibrahim, 2024).
Statement of the Problem:
Despite the promising advantages of blockchain technology in fraud prevention, Polaris Bank faces challenges in its implementation and integration into existing banking systems. The complexity of blockchain, coupled with high implementation costs and the need for technical expertise, has slowed its adoption in a traditional banking environment. Furthermore, while blockchain can significantly reduce the risk of data manipulation, the technology is still in its early stages of integration in the Nigerian banking sector. This has led to uncertainties regarding its scalability, interoperability with legacy systems, and regulatory compliance. Additionally, customer understanding and acceptance of blockchain-based solutions remain limited, potentially affecting its overall effectiveness in preventing fraud. These challenges hinder the full realization of blockchain’s benefits and create a gap between theoretical potential and practical application. This study seeks to identify the operational, technical, and regulatory barriers that impede the effective deployment of blockchain technology for fraud prevention in Polaris Bank. It aims to provide strategic recommendations for overcoming these challenges and maximizing the technology’s potential to enhance banking security (Okoro, 2024).
Objectives of the Study:
• To assess the potential of blockchain technology in preventing bank fraud at Polaris Bank.
• To identify the challenges associated with blockchain implementation in the banking sector.
• To propose strategies to facilitate effective integration of blockchain technology in fraud prevention.
Research Questions:
• How can blockchain technology prevent bank fraud in the retail banking context?
• What challenges hinder the effective implementation of blockchain at Polaris Bank?
• What measures can be taken to overcome these challenges and enhance blockchain adoption?
Research Hypotheses:
• H₁: Blockchain technology significantly reduces the incidence of bank fraud by ensuring data immutability.
• H₂: High implementation costs and technical complexity negatively affect blockchain integration.
• H₃: Strategic regulatory support and customer education can enhance blockchain adoption in fraud prevention.
Scope and Limitations of the Study:
This study focuses on the role of blockchain technology in preventing bank fraud at Polaris Bank in Delta State. Data is collected from internal reports, expert interviews, and technology reviews. Limitations include the nascent stage of blockchain adoption and challenges in measuring its long-term impact.
Definitions of Terms:
• Blockchain Technology: A decentralized digital ledger that records transactions in a secure, transparent, and immutable manner.
• Bank Fraud: Deceptive practices intended to unlawfully obtain money or data from banks.
• Immutable Ledger: A record that cannot be altered once it is recorded, ensuring data integrity.
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