287 citations · 892 across the 18 of their papers we have counts for
18 papers
Experimental demonstration of scalable quantum blockchain with exponentially superior quantum communication complexity
Feng Xie, Ming-Yang Li, Yongqiang Du +11
To secure modern distributed digital infrastructures, quantum blockchains exploit quantum resources to achieve information-theoretic security and surpass the classical one-third fa…
A fault-tolerant quantum blockchain deployed on commercial telecommunications network
Yongqiang Du, Chen-Xun Weng, Feng Xie +10
Popularized by the Bitcoin cryptocurrency, blockchain technology establishes a decentralized digital framework that utilizes cryptographic and consensus protocols to secure data ag…
Scalable and Highly Fault-Tolerant Circular Quantum Byzantine Agreement
Chen-Xun Weng, Ming-Yang Li, Shi-Gen Li +4
Quantum Byzantine agreement (QBA), a cornerstone of quantum blockchain, offers inherent advantages in security and fault tolerance over classical protocols, guaranteed by the laws…
Information-theoretically secure quantum timestamping with one-time universal hashing
Ming-Yang Li, Chen-Xun Weng, Wen-Bo Liu +2
Accurate and tamper-resistant timestamps are essential for applications demanding verifiable chronological ordering, such as legal documentation and digital intellectual property p…
Experimental asymmetric relativistic zero-knowledge proofs with unconditional security
Chen-Xun Weng, Ming-Yang Li, Nai-Rui Xu +6
Zero-knowledge proofs (ZKPs) are widely applied in digital economies, such as cryptocurrencies and smart contracts, for establishing trust and privacy between untrusted parties. Cl…
Experimental Quantum Byzantine Agreement on a Three-User Quantum Network with Integrated Photonics
Xu Jing, Cheng Qian, Chen-Xun Weng +11
Quantum communication networks are crucial for both secure communication and cryptographic networked tasks. Building quantum communication networks in a scalable and cost-effective…
Experimental quantum secret sharing based on phase encoding of coherent states
Ao Shen, Xiao-Yu Cao, Yang Wang +6
Quantum secret sharing (QSS) is one of the basic communication primitives in future quantum networks which addresses part of the basic cryptographic tasks of multiparty communicati…
Advantages of Asynchronous Measurement-Device-Independent Quantum Key Distribution in Intercity Networks
Yuan-Mei Xie, Jun-Lin Bai, Yu-Shuo Lu +3
The new variant of measurement-device-independent quantum key distribution (MDI-QKD), called asynchronous MDI-QKD or mode-pairing MDI-QKD, offers similar repeater-like rate-loss sc…
Beating the fault-tolerance bound and security loopholes for Byzantine agreement with a quantum solution
Chen-Xun Weng, Rui-Qi Gao, Yu Bao +6
Byzantine agreement, the underlying core of blockchain, aims to make every node in a decentralized network reach consensus. Classical Byzantine agreements unavoidably face two majo…
Breaking the Rate-Loss Bound of Quantum Key Distribution with Asynchronous Two-Photon Interference
Yuan-Mei Xie, Yu-Shuo Lu, Chen-Xun Weng +7
Twin-field quantum key distribution can overcome the secret key capacity of repeaterless quantum key distribution via single-photon interference. However, to compensate for the cha…
Scalable High-Rate Twin-Field Quantum Key Distribution Networks without Constraint of Probability and Intensity
Yuan-Mei Xie, Chen-Xun Weng, Yu-Shuo Lu +4
Implementation of a twin-field quantum key distribution network faces limitations, including the low tolerance of interference errors for phase-matching type protocols and the stri…
Long-distance twin-field quantum key distribution with entangled sources
Bing-Hong Li, Yuan-Mei Xie, Zhao Li +4
Twin-field quantum key distribution (TFQKD), using single-photon-type interference, offers a way to exceed the rate-distance limit without quantum repeaters. However, it still suff…
Finite-key Analysis for Quantum Conference Key Agreement with Asymmetric Channels
Zhao Li, Xiao-Yu Cao, Chen-Long Li +4
As an essential ingredient of quantum networks, quantum conference key agreement (QCKA) provides unconditional secret keys among multiple parties, which enables only legitimate use…
Experimental quantum secure network with digital signatures and encryption
Hua-Lei Yin, Yao Fu, Chen-Long Li +6
Cryptography promises four information security objectives, namely, confidentiality, integrity, authenticity, and non-repudiation, to support trillions of transactions annually in…
Simple security proof of coherent-one-way quantum key distribution
Rui-Qi Gao, Yuan-Mei Xie, Jie Gu +5
Coherent-one-way quantum key distribution (COW-QKD), which requires a simple experimental setup and has the ability to withstand photon-number-splitting attacks, has been not only…
Efficient Quantum Digital Signatures without Symmetrization Step
Yu-Shuo Lu, Xiao-Yu Cao, Chen-Xun Weng +5
Quantum digital signatures (QDS) exploit quantum laws to guarantee non-repudiation, unforgeability and transferability of messages with information-theoretic security. Current QDS…
Secure and practical multiparty quantum digital signatures
Chen-Xun Weng, Yu-Shuo Lu, Rui-Qi Gao +6
Quantum digital signatures (QDSs) promise information-theoretic security against repudiation and forgery of messages. Compared with currently existing three-party QDS protocols, mu…
Homodyne Detection Quadrature Phase Shift Keying Continuous-Variable Quantum Key Distribution with High Excess Noise Tolerance
Wen-Bo Liu, Chen-Long Li, Yuan-Mei Xie +7
Discrete-modulated continuous-variable quantum key distribution with homodyne detection is widely recognized for its ease of implementation, efficiency with respect to error correc…