Work

Ethereum Blockchain Interconnectivity for Dynamic and Privacy-Preserving Access Control

Year: 2025

Type: article

Abstract: This paper introduces a novel access control architecture based on a dual-blockchain model that separates access management from data storage to enhance security and scalability. The system enables users to submit access requests to a primary blockchain, where smart contracts dynamically verify permissions before retrieving data from a secondary, isolated blockchain. This design enforces fine-grained, account-level access control while preventing direct exposure of sensitive data. A proof of concept was implemented using Hyperledger YUI to interconnect Ethereum-based blockchains, demonstrating secure inter-chain communication and dynamic permission enforcement. The proposed solution addresses key limitations in existing blockchain infrastructures and offers a flexible, decentralized framework suitable for applications requiring robust data governance and regulatory compliance.

Source: IEEE Access

DOI: 10.1109/access.2025.3584429

Authors: Christian Delgado-von-Eitzen, Manuel José Fernández-Iglesias, Luis Anido-Rifón, Martín Llamas-Nistal

Institution: Universidade de Vigo

Language: English

Topic: Blockchain Technology Applications and Security

Subfield: Information Systems

Field: Computer Science

Domain: Physical Sciences

SDG: Reduced inequalities

Open Access status: gold

Estimated APC paid: $2,075