2 papers
quant-ph2025
A Quantum Signature Validation Algorithm for Efficient Detection of Tampered Transactions in Blockchain
Jaime Torres, Sergio A. Ortega, Miguel A. Martin-Delgado
The Quantum Signature Validation Algorithm (QSVA) is introduced as a novel quantum-based approach designed to enhance the detection of tampered transactions in blockchain systems.…
quant-ph2024
Implementing Semiclassical Szegedy Walks in Classical-Quantum Circuits for Homomorphic Encryption
Sergio A. Ortega, Pablo Fernández, Miguel A. Martin-Delgado
As cloud services continue to expand, the security of private data stored and processed in these environments has become paramount. This work delves into quantum homomorphic encryp…