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  4. Cross-chain smart contract invocations: a systematic multi-vocal literature review
 
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Cross-chain smart contract invocations: a systematic multi-vocal literature review

Publikationstyp
Journal Article
Date Issued
2024-01-22
Sprache
English
Author(s)
Falazi, Ghareeb  
Breitenbücher, Uwe  
Leymann, Frank  
Schulte, Stefan  
Data Engineering E-19  
TORE-URI
https://hdl.handle.net/11420/45139
Journal
ACM computing surveys  
Volume
56
Issue
6
Article Number
142
Citation
ACM Computing Surveys 56 (6): 142 (2024)
Publisher DOI
10.1145/3638045
Scopus ID
2-s2.0-85188824800
Publisher
ACM Press
The introduction of smart contracts has expanded the applicability of blockchains to many domains beyond finance and cryptocurrencies. Moreover, different blockchain technologies have evolved that target special requirements. As a result, in practice, often a combination of different blockchain systems is required to achieve an overall goal. However, due to the heterogeneity of blockchain protocols, the execution of distributed business transactions that span several blockchains leads to multiple interoperability and integration challenges. Therefore, in this article, we examine the domain of Cross-Chain Smart Contract Invocations (CCSCIs), which are distributed transactions that involve the invocation of smart contracts hosted on two or more blockchain systems. We conduct a systematic multi-vocal literature review to get an overview of the available CCSCI approaches. We select 20 formal literature studies and 13 high-quality gray literature studies, extract data from them, and analyze it to derive the CCSCI Classification Framework. With the help of the framework, we group the approaches into two categories and eight subcategories. The approaches differ in multiple characteristics, e.g., the mechanisms they follow, and the capabilities and transaction processing semantics they offer. Our analysis indicates that all approaches suffer from obstacles that complicate real-world adoption, such as the low support for handling heterogeneity and the need for trusted third parties
DDC Class
600: Technology
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