Yasanur KayikciNazlican GozacanAbderahman RejebRejeb, AbderahmanGozacan-Chase, NazlicanKayikci, Yasanur2025-10-06202409644733, 109908360964-47331099-083610.1002/bse.34892-s2.0-85162985836https://www.scopus.com/inward/record.uri?eid=2-s2.0-85162985836&doi=10.1002%2Fbse.3489&partnerID=40&md5=6a3e7ddb560908d416ed2f2e794de9fbhttps://gcris.yasar.edu.tr/handle/123456789/8246https://doi.org/10.1002/bse.3489The transition to a circular supply chain (CSC) is a prerequisite to establish sustainability in the supply chain. Blockchain-based CSC enables stakeholders to effectively manage their decision-making processes increase revenue reduce time and costs and ensure information synchronisation. Blockchain start-ups play an essential role in facilitating the transition from a linear to a circular economy while supporting the development of CSCs. This research aims to explore the role of blockchain entrepreneurship in the transition to CSC by evaluating circular blockchain start-ups. This research contributes to the literature by providing verified roles of blockchain entrepreneurship in the transition to CSC by evaluating the literature and blockchain start-ups. Another contribution is that the causal relationships between these roles are analysed. In this study an integrated three-step methodology including Systematic Literature Review (SLR) Qualitative Comparative Analysis (QCA) and Fuzzy Decision-Making Trial and Evaluation Laboratory (Fuzzy-DEMATEL) methods on the base of the theory of change is proposed. An SLR is performed to determine the roles of blockchain entrepreneurship. Then a QCA is conducted after identifying the roles for verification by evaluations of use cases of blockchain start-ups. Finally the causal relationships between these roles are interpreted by using Fuzzy-DEMATEL. Findings indicate that blockchain entrepreneurship has 12 fundamental roles in facilitating the transition from a linear to a circular economy while supporting the development of CSCs. © 2024 Elsevier B.V. All rights reserved.Englishinfo:eu-repo/semantics/openAccessBlockchain Entrepreneurship, Circular Supply Chain, Fuzzy-dematel, Qualitative Comparative Analysis, Systematic Literature Review, Theory Of Change, Decision Making, Entrepreneur, Literature Review, Supply Chain Managementdecision making, entrepreneur, literature review, supply chain managementQualitative Comparative AnalysisCircular Supply ChainFuzzy-dematelBlockchain EntrepreneurshipSystematic Literature ReviewTheory of ChangeArticle