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   Articles with "quantum digital" as a keyword



Securing Blockchain Transactions Using Quantum Teleportation and Quantum Digital Signature

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recommendations! Published in 2020 at "Neural Processing Letters"

DOI: 10.1007/s11063-020-10272-1

Abstract: Blockchain is the new disruptive technology which is gaining momentum in several domains of real-world applications such as Bitcoin—the most well-known example, and primarily in the financial sector. Distributed ledger system which is the main… read more here.

Keywords: digital signatures; quantum digital; quantum; quantum teleportation ... See more keywords

Asynchronous measurement-device-independent quantum digital signatures

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recommendations! Published in 2024 at "Physical Review A"

DOI: 10.1103/physreva.110.012609

Abstract: Quantum digital signatures (QDSs), which distribute and measure quantum states by key generation protocols and then sign messages via classical data processing, are a key area of interest in quantum cryptography. However, the practical implementation… read more here.

Keywords: measurement device; device independent; digital signatures; quantum digital ... See more keywords
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Experimental quantum digital signature over 102 km

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recommendations! Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.95.032334

Abstract: Quantum digital signature (QDS) is an approach to guarantee the nonrepudiation, unforgeability, and transferability of a signature with information-theoretical security. Previous experimental realizations of QDS relied on an unrealistic assumption of secure channels and the… read more here.

Keywords: signature 102; quantum digital; experimental quantum; digital signature ... See more keywords

Continuous-variable quantum digital signatures over insecure channels

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recommendations! Published in 2019 at "Physical Review A"

DOI: 10.1103/physreva.99.032341

Abstract: Digital signatures ensure the integrity of a classical message and the authenticity of its sender. Despite their far-reaching use in modern communication, currently used signature schemes rely on computational assumptions and will be rendered insecure… read more here.

Keywords: continuous variable; quantum digital; digital signatures; variable quantum ... See more keywords

Secure and practical multiparty quantum digital signatures.

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recommendations! Published in 2021 at "Optics express"

DOI: 10.1364/oe.433656

Abstract: Quantum digital signatures (QDSs) promise information-theoretic security against repudiation and forgery of messages. Compared with currently existing three-party QDS protocols, multiparty protocols have unique advantages in the practical case of more than two receivers when… read more here.

Keywords: secure practical; quantum digital; digital signatures; practical multiparty ... See more keywords

Practical quantum digital signature with a gigahertz BB84 quantum key distribution system.

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recommendations! Published in 2019 at "Optics letters"

DOI: 10.1364/ol.44.000139

Abstract: Quantum digital signature (QDS) can guarantee message integrity and non-repudiation with information-theoretical security, and it has attracted more attention recently. Since proposed by Andersson et al. [Phys. Rev. A93, 032325 (2016)PLRAAN1050-294710.1103/PhysRevA.93.032325], a quantum digital signature protocol… read more here.

Keywords: system; quantum key; quantum digital; digital signature ... See more keywords

Improved finite-size analysis for measurement-device-independent quantum digital signatures.

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recommendations! Published in 2025 at "Optics letters"

DOI: 10.1364/ol.569676

Abstract: Quantum digital signatures (QDS), based on the principles of quantum mechanics, provide information-theoretic security, ensuring the integrity, authenticity, and non-repudiation of data transmission. With current QDS protocols, measurement-device-independent QDS (MDI-QDS) can resist all attacks on… read more here.

Keywords: measurement device; device independent; size; finite size ... See more keywords

Twin-Field Quantum Digital Signature with Fully Discrete Phase Randomization

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recommendations! Published in 2022 at "Entropy"

DOI: 10.3390/e24060839

Abstract: Quantum digital signatures (QDS) are able to verify the authenticity and integrity of a message in modern communication. However, the current QDS protocols are restricted by the fundamental rate-loss bound and the secure signature distance… read more here.

Keywords: quantum digital; signature; qds; twin field ... See more keywords

Quantum Digital Signature Using Entangled States for Network

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recommendations! Published in 2025 at "Entropy"

DOI: 10.3390/e27111179

Abstract: We propose an entanglement-based quantum digital signature (QDS) protocol optimized for quantum networks. The protocol follows the Lamport-inspired QDS paradigm but eliminates QKD post-processing by signing and verifying with raw conclusive keys, thereby reducing latency… read more here.

Keywords: digital signature; signature; signature using; using entangled ... See more keywords