Results 11 to 20 of about 226,911 (338)
A Blockchain Smart Contract Based on Light- Weighted Quantum Blind Signature
IEEE Access, 2019 To improve the security performance of blockchain smart contracts against quantum attacks, a smart contract based on light-weighted quantum blind signature is proposed here.
Zhengying Cai +3 more
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Classical Communication Coset State (t,n) Threshold Quantum Digital Signature
IEEE Access, 2023 In the field of quantum communication, classical communication processes have become a central open problem, especially in quantum threshold signature schemes.
Qingshui Xue +3 more
doaj +1 more source
Quantum Digital Signatures without Quantum Memory [PDF]
Physical Review Letters, 2014 Quantum Digital Signatures (QDS) allow for the exchange of messages from one sender to multiple recipients, with the guarantee that messages cannot be forged or tampered with. Additionally, messages cannot be repudiated -- if one recipient accepts a message, she is guaranteed that others will accept the same message as well.
Dunjko, Vedran +2 more
openaire +7 more sources
Practical quantum digital signature [PDF]
Physical Review A, 2016 13 pages 3 ...
Yin, Hua-Lei, Fu, Yao, Chen, Zeng-Bing
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Twin-field quantum digital signatures [PDF]
Optics Letters, 2021 Digital signature is a key technique in information security, especially for identity authentications. Compared to classical correspondence, quantum digital signatures (QDSs) provide a considerably higher level of security. At present, its performance is limited by key generation protocols, which are fundamentally limited in terms of channel capacity ...
Chun-Hui Zhang +4 more
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Two Quantum Proxy Blind Signature Schemes Based on Controlled Quantum Teleportation
Entropy, 2022 We present a scheme for teleporting an unknown, two-particle entangled state with a message from a sender (Alice) to a receiver (Bob) via a six-particle entangled channel.
Qiming Luo +3 more
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Multiparty quantum signature schemes [PDF]
Quantum Information and Computation, 2016 Digital signatures are widely used in electronic communications to secure important tasks such as financial transactions, software updates, and legal contracts. The signature schemes that are in use today are based on public-key cryptography and derive their security from computational assumptions.
Miguel Arrazola, Juan +2 more
openaire +3 more sources
IEEE Access, 2022 This paper proposes a novel lattice-based aggregate signature (LAS) scheme that brings post-quantum security to the Bitcoin system without sacrificing its transaction efficiency. Bitcoin currently employs Elliptic Curve Digital Signature Algorithm (ECDSA)
Yunjia Quan
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Quantum signatures of chimera states [PDF]
Physical Review E, 2015 5 pages, 4 figures, and supplemental material.
Bastidas, V. M. +4 more
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Quantum signatures from Hoava–Lifshitz cosmography [PDF]
Classical and Quantum Gravity, 2021 Abstract In this paper we propose an alternative cosmography by considering Hořava–Lifshitz gravity as a model of quantum gravity (QG) to search for quantum effects at the cosmological level. For our analyses we consider current late Universe surveys and a gravitational waves forecast from Einstein telescope.
Celia Escamilla-Rivera, Hernando Quevedo
openaire +3 more sources