Cryptanalysis of Isogeny-Based Quantum Money with Rational Points
Cryptanalysis of isogeny-based quantum money using rational points undercuts a recent instantiation, reinforcing that enterprises on PQC migration paths must track ongoing primitive-level breaks.
Summary written by editorial AI · Source link below
arXiv:2508.00351v3 Announce Type: replace Abstract: Quantum money is a representative application in cryptography that utilizes quantum technology to achieve security that is unattainable with classical systems. Since the theoretical proposal by Wiesner in 1983, the most recent instantiation is the quantum money using class group actions on elliptic curves, proposed by Montgomery and Sharif in Asiacrypt'24. In this work, we propose a concrete cryptanalysis by leveraging the efficiency of evalua
Editorial Analysis
Post-quantum scheme selection is a moving target; breaks against specific constructions remind enterprises that PQC migration plans need continuous reassessment as cryptanalysis matures.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
External link — opens at arXiv Crypto & Security in a new tab.
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