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Resistant Blockchain Cryptography to Quantum Computing Attacks

Zhwan Mohammed Khalid and Shavan Askar
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Zhwan Mohammed Khalid: Raparin University, Sulaimany, Iraq

International Journal of Science and Business, 2021, vol. 5, issue 3, 116-125

Abstract: Due to the need to maintain confidentiality, redundancy, and openness, the usage of Blockchain and other DLTs has dramatically advanced in recent years, and is being recommended for various applications. In blockchain, these capabilities are supplied by means of hash functions and public-key encryption. However, the rapid development of quantum computation in the near future has opened the door to the Grover and Shor algorithms. These algorithms challenge both public and hash encryption, causing blockchains to redesign and use quantum attack-tolerant cryptosystems; this produces cryptosystems which are considered post-quantum cryptosystems, which are quantum-resistant. This paper reviews current scientists on quantum blockchain for such purposes. In addition, the major challenges are studied with the most important post-quantum blockchain systems. In addition, the most promising post quantum signature encryption and digital blockchain signature schemes are detailed in terms of the functionality and durability of the most promising public signatures. In this article, researchers and developers in blockchain have an extensive perspective and practical advice on post-quantum blockchain protection.

Keywords: Blockchain; cryptography; post-quantum; quantum-resistant; quantum computing; blockchain security (search for similar items in EconPapers)
Date: 2021
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