PQS-BC: Comparative Analysis of NIST Post-quantum Signatures for Blockchain

PQS-BC: Comparative Analysis of NIST Post-quantum Signatures for Blockchain

연구 분야: Cryptography

학회: International Conference on Network and System Security

Blockchain technology is increasingly important across various sectors with cryptography, particularly digital signatures, playing a crucial role in ensuring transparency, trust and security. However, current digital signature algorithms in blockchain are vulnerable to the impending advancements in quantum computing, anticipated to compromise these algorithms by 2030. Such vulnerabilities could result in substantial financial losses, given the significant market value of cryptocurrencies. Thus, it is essential to identify digital signature algorithms capable of withstanding quantum threats, known as post-quantum signatures, that are best suited for various blockchain applications. This project evaluates 43 NIST post-quantum digital signature algorithms, including 3 finalist algorithms and 40 new submissions for the current round, as they represent the most viable candidates for adoption. We conduct performance testing based on a comprehensive set of 6 criteria and perform data analysis to provide an in-depth comparison of these algorithms, contributing significantly to post-quantum cryptography. The findings recommend 6 promising algorithms for 4 types of blockchains, enhancing blockchain security against quantum threats.