Smart City Gnosys
Smart city article details
| Title | Blockchain-Based Responsibility Management Framework For Smart City Building Information Modeling Projects Using Non-Fungible Tokens |
|---|---|
| ID_Doc | 12649 |
| Authors | Bai H.; Li Z.; Chen K.; Li X. |
| Year | 2024 |
| Published | Buildings, 14, 11 |
| DOI | http://dx.doi.org/10.3390/buildings14113647 |
| Abstract | In the context of digital construction, responsibility management in smart city building information modeling (BIM) projects spans the entire building lifecycle. The involvement of numerous BIM designers in project management and frequent data exchanges pose significant challenges for the traceability, immutability, and responsibility attribution of BIM models. To address these issues, this study proposes a blockchain-based responsibility management and collaboration framework for BIM projects using non-fungible tokens (NFTs), aiming to enhance the management of responsibilities and accountability in BIM projects. This research adopts a design science methodology, strictly adhering to scientific research procedures to ensure rigor. First, NFTs based on blockchain technology were developed to generate corresponding digital signatures for BIM model files. This approach ensures that each BIM model file has a unique digital identity, enhancing transparency and traceability in responsibility management. Next, the interplanetary file system (IPFS) was used to generate digital fingerprints, with the content identifier generated by IPFS uploaded to the blockchain to ensure the immutability of BIM model files. This method guarantees the integrity and security of BIM model files throughout their lifecycle. Finally, the proposed methods were validated through a blockchain network. The experimental results indicate that the proposed framework is theoretically highly feasible and demonstrates good applicability and efficiency in practical production. The constructed blockchain network meets the actual needs of responsibility management in smart city BIM projects, enhancing the transparency and reliability of project management. © 2024 by the authors. |
| Author Keywords | blockchain; building information modeling (BIM); interplanetary file system (IPFS); non-fungible tokens (NFT); responsibilities management |
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