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A Scalable Cross-Chain Access Control and Identity Authentication Scheme.

Yuhang Ding¹, Yanran Zhang¹, Bo Qin¹

¹Renmin University of China, Beijing 100872, China.

Sensors (Basel, Switzerland)

|February 28, 2023

Summary

This study introduces a scalable cross-chain access control and identity authentication scheme to address challenges in blockchain interoperability. The proposed solution enhances security and traceability for cross-chain transactions, ensuring verified user operations.

Keywords:

access control blockchain cross-chain identity authentication

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Area of Science:

Computer Science
Cybersecurity
Blockchain Technology

Background:

Existing cross-chain technologies face challenges with identity transformation and traceability due to blockchain differentiation and lack of access control.
The absence of robust identity authentication for cross-chain operations hinders the supervision of potentially dangerous transactions.

Purpose of the Study:

To propose a scalable cross-chain access control and identity authentication scheme.
To enhance the security, traceability, and verifiability of cross-chain operations.
To ensure legitimate cross-chain interactions and regulate illegal transactions.

Main Methods:

Developed a novel scheme for cross-chain access control and identity authentication.
Implemented a system utilizing Superchain for recording and tracing cross-chain operations.
Designed the scheme for low invasiveness to existing blockchain systems.

Main Results:

The proposed scheme successfully authenticates the legitimacy of blockchains within a cross-chain system.
Ensured that all cross-chain operations are conducted by verified users.
Demonstrated scalability, security, and efficiency through implementation and evaluation.

Conclusions:

The developed scheme effectively addresses the limitations of current cross-chain technologies regarding identity and access control.
Provides a scalable and secure solution for managing cross-chain operations and tracing illicit transactions.
Offers a low-invasive method for improving blockchain interoperability and regulatory oversight.