photonic integrated circuits 2quantum blockchain 2byzantine agreement 1fault tolerance 1quantum communication complexity 1quantum consensus 1quantum security 1telecommunications network 1
From the 2 of 3 linked papers with an AI index.
3 papers
quant-ph2026
Experimental demonstration of scalable quantum blockchain with exponentially superior quantum communication complexity
Feng Xie, Ming-Yang Li, Yongqiang Du +11
The paper reports an experimental implementation of a scalable quantum blockchain using weak coherent states and a circular quantum Byzantine agreement, achieving a large reduction…
quant-ph2026
A fault-tolerant quantum blockchain deployed on commercial telecommunications network
Yongqiang Du, Chen-Xun Weng, Feng Xie +10
The paper presents a hybrid quantum blockchain built on photonic integrated circuits and deployed over existing telecom infrastructure, achieving near‑half fault tolerance and abou…
quant-ph2026
High-rate quantum digital signatures over 250 km of optical fiber
Jiemin Lin, Yongqiang Du, Mingxuan Zhang +7
Quantum digital signatures (QDS) offer information-theoretic security for message integrity, authenticity, and non-repudiation, and constitute a fundamental cryptographic primitive…