Technologies of blockchain interoperability: A survey

IF 7.5 2区计算机科学 Q1 TELECOMMUNICATIONS

Digital Communications and Networks Pub Date : 2025-02-01 DOI:10.1016/j.dcan.2023.07.008

Haonan Yuan, Shufan Fei, Zheng Yan

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引用次数: 0

Abstract

Blockchain technology is increasingly popular and has been widely applied in many industrial fields, due to its unique properties of decentralization, immutability, and traceability. Blockchain systems in different fields vary, with different block structures, consensus mechanisms and access permission models. These differences make it hard for different blockchain systems to interoperate with each other, which isolates them. Cross-chain technologies have been developed to solve this isolation problem in order to improve the interoperability of blockchains. Although some surveys on cross-chain technologies can be found, they are unable to keep up with the latest research progress due to their extremely fast pace of development. Moreover, the literature misses general criteria to evaluate the quality of cross-chain technologies. In this paper, a comprehensive literature review of cross-chain technologies is conducted by employing a comprehensive set of evaluation criteria. The preliminaries on blockchain interoperability are first presented. Then, a set of evaluation criteria is proposed in terms of security, privacy, performance, and functionality. The latest cutting-edge works are reviewed based on the proposed taxonomy of cross-chain technologies and their performance is evaluated against our proposed criteria. Finally, some open issues and future directions of cross-chain research are pointed out.

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来源期刊

Digital Communications and Networks Computer Science-Hardware and Architecture

CiteScore

12.80

自引率

5.10%

发文量

915

审稿时长

30 weeks

期刊介绍： Digital Communications and Networks is a prestigious journal that emphasizes on communication systems and networks. We publish only top-notch original articles and authoritative reviews, which undergo rigorous peer-review. We are proud to announce that all our articles are fully Open Access and can be accessed on ScienceDirect. Our journal is recognized and indexed by eminent databases such as the Science Citation Index Expanded (SCIE) and Scopus. In addition to regular articles, we may also consider exceptional conference papers that have been significantly expanded. Furthermore, we periodically release special issues that focus on specific aspects of the field. In conclusion, Digital Communications and Networks is a leading journal that guarantees exceptional quality and accessibility for researchers and scholars in the field of communication systems and networks.