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Quantum Cryptography–A Theoretical Overview

Pratik Roy*, Saptarshi Sahoo, Amit Kumar Mandal, Indranil Basu
Institute of Engineering and Management, Salt Lake Electronic Complex, West Bengal, Kolkata, 700091, India
* Corresponding Author: Pratik Roy. Email:

Journal of Quantum Computing 2021, 3(4), 151-160.

Received 15 June 2021; Accepted 07 September 2021; Issue published 10 January 2022


Quantum Key Distribution seems very promising as it offers unconditional security, that’s why it is being implemented by the tech giants of the networking industry and government. Having quantum phenomenon as a backbone, QKD protocols become indecipherable. Here we have focused on the complexities of quantum key distribution and how this technology has contributed to secure key communication. This article gives an updated overview of this technology and can serve as a guide to get familiar with the current trends of quantum cryptography.


Quantum information; quantum cryptography; quantum entanglement

Cite This Article

. , "Quantum cryptography–a theoretical overview," Journal of Quantum Computing, vol. 3, no.4, pp. 151–160, 2021.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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