# Securing Construction Workers' Data Security and Privacy with Blockchain Technology
## 3 Methodology
### Experimental Design of the Proposed Blockchain
#### 3.1.3 Deployment of Proposed Blockchain
Promotion of Industry Innovation and Trust: The successful implementation of blockchain within the construction sector sets a precedent for technological innovation. Demonstrating the practical application of blockchain in enhancing data security and privacy inspires confidence among stakeholders. This newfound trust encourages further adoption of advanced technologies to modernize construction practices, driving industry-wide innovation and fostering a culture of continuous improvement. ## 6 Limitations, Recommendations, and Future Research Direction

### Limitations

One limitation of this study is the focus on a specific use case and the use of a single construction activity for data collection. The tiling activity chosen may not capture the full range of risks and challenges present in other construction tasks. Moreover, the use of a specific blockchain infrastructure on the AWS platform may limit the generalizability of the findings to other blockchain implementations. Furthermore, as this study is based on a case study approach, the results may not be fully representative of the broader construction industry. Future research could explore the applicability of the proposed blockchain model to various construction activities and assess its scalability and effectiveness on a larger scale. ### Recommendations

To optimize the adoption and effectiveness of the Hyperledger Fabric blockchain for construction workers' data management, the following recommendations are proposed. 1. Continuous Monitoring and Auditing: Ensuring compliance with data protection regulations and preemptively identifying vulnerabilities require consistent monitoring and auditing of the blockchain system. Regular updates and patches should be swiftly applied to mitigate potential security risks, thus creating a robust environment for data management. 2. Real-world Testing and Iterative Enhancement: Real-world testing and pilot implementation of the blockchain platform in construction projects are essential. This approach facilitates the identification of practical challenges and permits iterative refinements. Collecting user feedback and promptly addressing any emerging issues will optimize the system's performance and tailor its functionality to the specific requirements of the construction industry. ### Future Work

One area of future research could involve exploring the extension of smart construction technology and its integration with the proposed blockchain solution. Smart construction technology refers to the use of advanced technologies, such as Internet of Things, sensors, artificial intelligence, and data analytics, in the construction industry to improve efficiency, productivity, and safety. Investigating how the proposed blockchain model can interface with smart construction technology systems and leverage their data for enhanced information management and decision making would be valuable. Another potential avenue for future research is to examine the application of the proposed blockchain model in the context of smart city initiatives. Smart cities aim to leverage technology and data to enhance the quality of life for citizens, improve resource management, and promote sustainability. Integrating the proposed blockchain solution into the broader framework of a smart city could provide additional benefits, such as secure and transparent data sharing across different stakeholders, improved interoperability between systems, and increased trust in the exchange of information. Conceptualization, A.E.N.S. and J.-H.C.; methodology, A.E.N.S. ; validation, A.E.N.S. ; formal analysis, A.E.N.S. ; investigation, A.E.N.S., J.-J.-Y. and J.-H.C.; data curation, A.E.N.S. ; writing--original draft preparation, A.E.N.S. ; writing--review and editing, A.E.N.S., J.-[PERSON] and [PERSON]; visualization, A.E.N.S. ; supervision, [PERSON] and [PERSON]; project administration, [PERSON]-H.C.; funding acquisition, [PERSON]-H.C. All authors have read and agreed to the published version of the manuscript.