Blockchain in Digital Document: A Review of Trends and Future Directions

This literature review paper provides a comprehensive examination of recent advancements in blockchain technology with a focus on its application in digital security, document management, verification, and smart document integration. The review is organized into four main clusters: Security and Digital Verification, Document Management and Storage, Document Verification and Integrity, and Technology Integration with Smart Documents. In the Security and Digital Verification cluster, the paper explores the role of cryptography and digital signatures, particularly within blockchain frameworks, to enhance transaction security. The Document Management and Storage cluster search into the use of blockchain for secure data management in sectors like education and law. The Document Verification and Integrity cluster discusses decentralized approaches to verifying the authenticity of digital and hardcopy documents. Finally, the Technology Integration and Smart Documents cluster highlights innovations in combining distributed databases with technologies like QR codes to create and manage intelligent documents. This review identifies key trends, challenges, and potential areas for future research in the implementation of blockchain technology across various domains.