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Visualization of education blockchain data: trends and challenges
Graduate School of Informatics, Kyoto University, Kyoto, Japan.ORCID iD: 0000-0002-0785-9841
Academic Center for Media and Computing Studies, Kyoto University, Kyoto, Japan.ORCID iD: 0000-0001-7644-997X
Academic Center for Media and Computing Studies, Kyoto University, Kyoto, Japan.ORCID iD: 0000-0001-5216-1576
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0001-9895-6796
2023 (English)In: Interactive Learning Environments, ISSN 1049-4820, E-ISSN 1744-5191, Vol. 31, no 9, p. 5970-5994Article in journal (Refereed) Published
Abstract [en]

The use of blockchain in education has become one of the trending topics in education technology research. However, only a handful of education blockchain solutions have provided a measure of the impact on students' learning outcomes, teaching, or administrative processes. This work reviews how academic data stored on the blockchain is being visualized across various education blockchain solutions. We argue that education's uniqueness requires a different visualization approach that supports students' learning activities, advances teaching methods, and facilitates administrative procedures. We identify a consistent trend where most of the proposed education blockchain solutions focus on credentials collection and do not provide a way to make sense of the blockchain's data. Thus, we conducted a needs analysis by interviewing four teachers to understand essential features when accessing distributed academic data, report these results and use them to inform the features of our proposed visualizations. Our unique contributions include: presenting typical use cases of distributed learning records from multiple education institutes and demonstrating how past learning records of students stored on the blockchain can be visualized to support current learning. We also propose a method of visualization to increase the data awareness of information owners through the blockchain.

Place, publisher, year, edition, pages
Taylor & Francis, 2023. Vol. 31, no 9, p. 5970-5994
Keywords [en]
Blockchain, challenges, education, learning analytics, visualization
National Category
Computer Sciences
Research subject
Pervasive Mobile Computing
Identifiers
URN: urn:nbn:se:ltu:diva-89105DOI: 10.1080/10494820.2022.2026406ISI: 000750380300001Scopus ID: 2-s2.0-85124168416OAI: oai:DiVA.org:ltu-89105DiVA, id: diva2:1635029
Note

Validerad;2023;Nivå 2;2023-12-05 (sofila);

Funder: JSPS Grant-in-Aid for Scientific Research (B)20H01722, (Exploratory)21K19824, (S)16H06304; NEDO (New Energy and Industrial Technology Development Organization) JPNP20006, JPNP18013

Available from: 2022-02-04 Created: 2022-02-04 Last updated: 2023-12-05Bibliographically approved

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Oyelere, Solomon Sunday

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