• Krushnal Jagannath Patil
• Sahil Pramod Raut
• Shivam Singh
• Satyajit Sirsat

Contemporary document management has witnessed a paradigm shift, transcending conventional methodologies through the convergence of distributed ledger technologies, cognitive computing, and post-quantum architectures. This state-of-the-art review deconstructs the metamorphosis of information preservation systems, with particular emphasis on the revolutionary applications of blockchain infrastructure, machine learning algorithms, and quantum-enabled computing frameworks. Through meticulous examination of operational deployments, jurisdictional parameters, and technological trajectories, we illuminate the enhanced security protocols and operational efficiencies facilitated by distributed ledger implementations. Our comprehensive analysis demonstrates blockchain's transformative impact on document authenticity verification, provenance tracking, and privileged access governance, while addressing critical considerations regarding throughput optimization and regulatory harmonization. The confluence of neural network-driven document analytics and quantum- resistant encryption protocols emerge as a cornerstone for next- generation implementations. This investigative synthesis aggregates multisectoral evidence to construct a forward- oriented framework, elucidating the technological convergence of distributed ledgers with emergent computational paradigms in revolutionizing document custody solutions.

Information systems evolution, distributed ledger infrastructure, decentralized architectures, neural document processing, post-quantum security protocols, compliance frameworks, digital ecosystem transformation.

"Revolutionizing Document Storage: A Comprehensive Review from Legacy Systems to Blockchain Empowerment and Beyond", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.12, Issue 2, page no.d683-d693, February-2025, Available :http://www.jetir.org/papers/JETIR2502377.pdf

"Revolutionizing Document Storage: A Comprehensive Review from Legacy Systems to Blockchain Empowerment and Beyond", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.12, Issue 2, page no. ppd683-d693, February-2025, Available at : http://www.jetir.org/papers/JETIR2502377.pdf