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Honest-binding quantum bit commitment from separable operations
Ziad Chaoui, Anna Pappa, Matteo Rosati
Bit commitment is a fundamental cryptographic primitive and a cornerstone for numerous two-party cryptographic protocols, including zero-knowledge proofs. However, it has been prov…
Why quantum state verification cannot be both efficient and secure: a categorical approach
Fabian Wiesner, Ziad Chaoui, Diana Kessler +2
The advantage of quantum protocols lies in the inherent properties of the shared quantum states. These states are sometimes provided by sources that are not trusted, and therefore…
Why cut-and-choose quantum state verification cannot be both efficient and secure
Fabian Wiesner, Ziad Chaoui, Diana Kessler +2
Quantum state verification plays a vital role in many quantum cryptographic protocols, as it allows the use of quantum states from untrusted sources. While some progress has been m…
Anonymous and private parameter estimation in networks of quantum sensors
Jarn de Jong, Santiago Scheiner, Naomi R. Solomons +3
Anonymity and privacy are two key properties of modern communication networks. In quantum networks, distributed quantum sensing has emerged as a powerful use case, with application…