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With the ever-growing concern for internet security, the field of quantumcryptography emerges as a promising solution for enhancing the security ofnetworking systems. In this paper, 20 notable papers from leading conferencesand journals are reviewed and categorized based on their focus on variousaspects of quantum cryptography, including key distribution, quantum bitcommitment, post quantum cryptography, and counterfactual quantum keydistribution. The paper explores the motivations and challenges of employingquantum cryptography, addressing security and privacy concerns along withexisting solutions. Secure key distribution, a critical component in ensuringthe confidentiality and integrity of transmitted information over a network, isemphasized in the discussion. The survey examines the potential of quantumcryptography to enable secure key exchange between parties, even when facedwith eavesdropping, and other applications of quantum cryptography.Additionally, the paper analyzes the methodologies, findings, and limitationsof each reviewed study, pinpointing trends such as the increasing focus onpractical implementation of quantum cryptography protocols and the growinginterest in postquantum cryptography research. Furthermore, the surveyidentifies challenges and open research questions, including the need for moreefficient quantum repeater networks, improved security proofs for continuousvariable quantum key distribution, and the development of quantum resistantcryptographic algorithms.

Quantum Cryptography for Enhanced Network Security: A Comprehensive Survey of Research, Developments, and Future Directions