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The rapid digitization of information sharing and document exchange in various sectors, including healthcare, finance, and governmental services, has underscored the critical need for robust security mechanisms. Traditional methods often fall short in ensuring the confidentiality, integrity, and availability of shared documents, leading to vulnerabilities in data privacy and security. This research paper introduces a groundbreaking approach to secure document exchange by leveraging the inherent properties of blockchain technology. Through a comprehensive analysis, we explore how blockchain's decentralized nature, cryptographic security, and immutability can be harnessed to create a secure and efficient platform for information sharing. We begin by delineating the current challenges in document exchange systems, such as susceptibility to cyber-attacks, fraud, and unauthorized access. Subsequently, we propose a blockchain-based framework that addresses these issues by enabling transparent and tamper-proof transactions, ensuring data integrity, and facilitating secure access control. Our methodology includes the development of a prototype system that employs smart contracts for automating and securing document exchange processes. Through rigorous testing and evaluation, we demonstrate the system's ability to withstand various security threats, including data breaches and interception attacks.
Kadam et al. (Tue,) studied this question.