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quant-ph2025
A Quantum Walk-Enabled Blockchain with Weighted Quantum Voting Consensus
Chong-Qiang Ye, Heng-Ji Li, Jian Li +1
Quantum blockchains provide inherent resilience against quantum adversaries and represent a promising alternative to classical blockchain systems in the quantum era. However, exist…
quant-ph2024
Quantum Scheme for Private Set Intersection and Union Cardinality based on Quantum Homomorphic Encryption
Chong-Qiang Ye, Jian Li, Tianyu Ye +1
Private set intersection (PSI) and private set union (PSU) are the crucial primitives in secure multiparty computation protocols, which enable several participants to jointly compu…
quant-ph2024
Multi-party Semi-quantum Secret Sharing Protocol based on Measure-flip and Reflect Operations
Li Jian, Chong-Qiang Ye
Semi-quantum secret sharing (SQSS) protocols serve as fundamental frameworks in quantum secure multi-party computations, offering the advantage of not requiring all users to posses…