Digital Transformation in the Construction Sector: Blockchain, BIM and SSI for a More Sustainable and Transparent System

Luisanna Cocco () and Roberto Tonelli
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Luisanna Cocco: Department of Mathematics and Computer Science, University of Cagliari, 09124 Cagliari, Italy
Roberto Tonelli: Department of Mathematics and Computer Science, University of Cagliari, 09124 Cagliari, Italy

Future Internet, 2024, vol. 16, issue 7, 1-14

Abstract: This article presents a model built for deep digitalization in the construction industry and for making building information modeling achieve a greater level of transparency, verifiability and effectiveness for the benefit of all stakeholders. Thanks to blockchain and the self-sovereign identity paradigm, the model guarantees data integrity and transaction reliability, enabling the generation of more efficient and productive businesses. The model includes a decentralized application for notarization of the information flow in building information modeling processes; the application is implemented and tested on a local blockchain. The proposed model represents a so-called digital twin and is, hence, a huge system that manages all the information flow associated with a building throughout its life cycle, returning to individuals the control of their own data. In this model, all stakeholders operate based on so-called decentralized identifiers and DID documents, which store on-chain the fingerprints of the information flow in a common data environment.

Keywords: self-sovereign identity; DID; blockchain; building information modeling; common data environment (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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