Digital building logbooks on the blockchain: first conceptualisation and future research directions
Theodoros Dounas (Adventurous Systems Ltd, Heriot-Watt University)
Daniel M. Hall (TU Delft - Design & Construction Management)
Dimosthenis Kifokeris (Chalmers University of Technology)
David Christie (Robert Gordon University)
Jens Hunhevicz (ETH Zürich, Swiss Federal Laboratories for Materials Science and Technology (Empa))
Firehiwot Kedir (Implenia AG)
Joseph Mante (Robert Gordon University)
Goran Sibenik (Singapore-ETH Centre)
Marijana Sreckovic (Technische Universität Wien)
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Abstract
This chapter introduces the concept of digital building logbooks (DBLs) and their role in facilitating a circular economy within the built environment. It underscores the importance of DBLs in capturing and managing building information throughout its lifecycle, including design, construction, operation, maintenance and demolition. It discusses the challenges of DBL implementation, particularly the need for secure and reliable data storage, integration of legacy information and user-friendly interfaces. The chapter proposes a blockchain-based DBL architecture, outlining a three-layered system consisting of a data layer, a logic and services layer and a user interface layer. It advocates for a hybrid data storage system, combining decentralised storage using the IPFS with centralised databases for legacy information. The chapter concludes by emphasising the potential impacts of blockchain-enabled DBLs, including fostering circular economies, advancing energy-efficient renovations and creating decentralised data marketplaces. It also identifies future research directions such as developing standardised frameworks, integrating legacy data and aligning blockchain-based solutions with legal and regulatory frameworks. This vision positions DBLs as critical tools for driving transparency, efficiency and sustainability in the built environment.