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JES. Journal of Engineering Sciences/JES. Journal of engineering sciences

A Reliable Implementation of Quantum-Based Resistant Cryptography Protocols for Secure Blockchain-Based Network Management

Ahmed Latif Yaser

Published Sep 29, 2026• 0 citations
Publisher
DOI
10.21608/jesaun.2026.464637.2103

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The fast-growing development of quantum computing is a great threat to classical cryptographic protocols underpinning the security of blockchain networks. The use of quantum attacks on algorithms, like RSA and Elliptic Curve Cryptography (ECC) used to perform digital signatures and verify transactions, is susceptible to the quantum attack, especially the Shor algorithm. This is an emerging risk that casts doubt on long term reliability and trustworthiness of blockchain systems in their various applications in the fields of finance to the field of healthcare. To overcome this difficulty, new cryptographic primitives exist, developed by the field of post quantum cryptography (PQC), which resist quantum computational power, such as lattice based, hash based, multivariate and code based. This paper examines how quantum-resistant cryptographic algorithms can be implemented into blockchain architecture, and how their security, scalability, and performance impacts can be assessed. Moreover, there are hybrid schemes that adapt classical and quantum safe schemes are taken as the transitional schemes to make backward compatibility. This study identifies practical avenues towards realising quantum resilient blockchain systems that are capable of supporting security in the post quantum era by analysing and comparing their possible implementations.
In the 4th industrial revolution, the blockchain that distributes and manages data through a P2P network is used as a new decentralized networking paradigm in various fields such as manufacturing, culture, and public service. However, with the advent of quantum computers, quantum algorithms that are able to break existing cryptosystems such as hash function, symmetric key, and public key cryptography have been introduced. Currently, because most major blockchain systems use an elliptic curve cryptography to generate signatures for transactions, they are insecure against the quantum adversary. For this reason, the research on the quantum-resistant blockchain that utilizes lattice-based cryptography for transaction signatures is needed. Therefore, in this paper, we propose a blind signature scheme for the blockchain in which the contents of the signature can be verified later, as well as signing by hiding the contents to be signed using lattice-based cryptography with the property of quantum resistance. In addition, we prove the security of the proposed scheme using a random oracle model.