The advent of quantum computing raises concerns about data security, a core feature of blockchain technology. This study refines and extends existing analyses by separating the encapsulation mechanism (KEM) and the digital signature algorithm (DSA), thereby conceptualizing correctness. Using the Open Quantum Safe (OQS) library, this study benchmarked Kyber (KEM), Dilithium, FALCON, and SPHINCS+ (DSA), quantifying on-chain impacts such as signature size, gas costs, and verification latency on an Ethereumcompatible testnet. The results of this study demonstrate that Dilithium offers a balanced tradeoff between security and throughput, while SPHINCS+ remains impractical in high-transaction-per-second environments. Kyber demonstrates superior KEM efficiency, making it suitable for session key distribution in hybrid blockchain architectures.
목차
Abstract 1. Introduction 2. Related work 3. Analysis of Quantum Vulnerability in Blockchain Cryptography Based on Applicability of PQC Model 4. Discussion 5. Conclusion Reference