This study aims to address the impact of quantum computing on traditional financial cryptographic systems and proposes four major quantum blockchain fusion protocols to build the next generation of anti quantum attack financial infrastructure: achieving secure access for low threshold devices through a semi quantum 6G wireless access architecture, and combining multi quantum signature and blockchain authentication technology to reduce terminal quantum capability requirements; Design a device independent cross chain transaction protocol, utilizing quantum deposit mechanisms and measurement device independent algorithms to construct a hardware independent quantum attack protection layer; Develop a quantum state currency model, using a centralized bank preparation and user secondary signature mechanism, relying on quantum state encoding and blockchain collaborative verification to achieve anti-counterfeiting and audit closed-loop; Introducing a lightweight semi quantum payment protocol that only requires classical devices to complete basic quantum operations. Through three qubit entangled state optimization and controlled quantum teleportation, the computational complexity is reduced by 75% while ensuring transaction anonymity. Experimental verification shows that the above protocol is significantly superior to existing solutions in terms of security and feasibility - the semi quantum architecture reduces the quantum capability requirements of terminal devices by 70%, the currency model achieves anti-counterfeiting audit double insurance, and the quantum bit efficiency of the payment protocol reaches 25%. The study verified the feasibility of deep integration of quantum technology and classical financial systems through three major paths: quantum security enhancement, network performance optimization, and protocol lightweight design, providing a theoretical framework and practical solution for anti quantum financial infrastructure.

Qingyu Wang. Research on the Construction and Security of Financial Models Driven by Quantum Blockchain Algorithms. Socio-Economic Statistics Research (2025), Vol. 6, Issue 1: 85-95. https://doi.org/10.38007/SESR.2025.060109.

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