Anonymous Blockchain-based System for Consortium
Qin Wang, Shiping Chen, Yang Xiang

TL;DR
This paper introduces a multi-center anonymous blockchain system for consortium management, enhancing privacy and decentralization while ensuring security and efficiency in transactions.
Contribution
It presents a novel modular cryptographic scheme for anonymous, decentralized blockchain management tailored for consortium use cases.
Findings
Scheme is proven secure and privacy-preserving
System is efficient and suitable for real-world deployment
Formal analysis confirms robustness against attacks
Abstract
Blockchain brings various advantages to online transactions. However, the total transparency of these transactions may leakage users' sensitive information. Requirements on both cooperation and anonymity for companies/organizations become necessary. In this paper, we propose a Multi-center Anonymous Blockchain-based (MAB) system, with joint management for the consortium and privacy protection for the participants. To achieve that, we formalize the syntax used by the MAB system and present a general construction based on a modular design. By applying cryptographic primitives to each module, we instantiate our scheme with anonymity and decentralization. Furthermore, we carry out a comprehensive formal analysis of the proposed solution. The results demonstrate our constructed scheme is secure and efficient.
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Taxonomy
TopicsBlockchain Technology Applications and Security · Cryptography and Data Security · Internet Traffic Analysis and Secure E-voting
