Abstract as per original application
(English/Chinese): |
This project focuses on implementing a novel blockchain smart contract and zero-knowledge proof (BSC-ZKP) model for accurate and secure access to building information models (BIM) for multi-stakeholder collaboration. BIM is a significant industry within architecture, engineering, construction, and operations (AECO), valued at billions of dollars, and mandated in regions like Hong Kong. However, a challenge arises from the disparity between the intricate nature of multi-stakeholder collaboration in BIM and the insecure and simplistic information access methods commonly employed. The conventional federated BIM access approach may not adequately meet the diverse and secure information requirements of collaborating stakeholders. Addressing this issue by refining information access methods tailored to individual project participants’ roles and responsibilities can be intricate and present usability challenges. To tackle this dilemma, the project proposes a novel BSC-ZKP approach.
The theoretical innovation of this project lies in the BSC-ZKP model for BIM, where BIM operation records are securely stored in blockchain-based knowledge hubs. This model enables the selection and conversion of historical BIM operation records into knowledge statements, which are further transformed into computational statements and self-executing ZKP logic. By generating proof questions and verifying answers, the BSC-ZKP model facilitates accurate and secure information access to BIM based on project participants’ roles and obligations. A preliminary small-scale pilot study has validated the technological feasibility of the BSC-ZKP model.
Researching the BSC is essential for evolving the ZKP model into BSC-ZKP for accurate and secure access to BIM. Leveraging the advanced algorithms of BSC-ZKP offers stakeholders applications such as tailored information access in BIM, user identity verification, and intellectual property protection in multi-stakeholder collaboration. Additionally, seamless interfaces are being developed to integrate BSC-ZKP into mainstream BIM platforms, aiming to apply and assess its effectiveness across various scales and types of construction projects.
The primary outcome of this project will be the BSC-ZKP model, a novel, automated, efficient, and cost-effective approach for accurate and secure access to BIM to support multi-stakeholder collaboration. The research results will contribute to expanding the knowledge frontier in accurate and secure information access within the BIM domain. The potential impact of BSC-ZKP extends to enhancing existing BIM practices without disruption, aligning with local government mandates on BIM usage, secure user identity verification, and intellectual property protection. Furthermore, the research outcomes may have implications for engineering informatics, construction management, smart cities, and distributed user management within the evolving landscape of new quality productive forces.
本計畫旨在實施一種新穎的區塊鏈智能合約與零知識證明（BSC-ZKP）模型，以實現精確安全的建築資訊模型（BIM）存取，支持多利益相關方協作。BIM是建築、工程、施工與運營（AECO）領域的重要產業，市值達數十億美元，且在香港等地區已被強制推行。然而，當前BIM多利益相關方協作的複雜性與普遍採用的不安全、過於簡化的資訊存取方法之間存在矛盾。傳統的聯邦式BIM存取方式可能無法充分滿足協作方多樣化且安全的資訊需求。針對此問題，通過精細化調整適應各項目參與者角色與職責的資訊存取方法可能極為複雜，並帶來可用性挑戰。為解決此困境，本計畫提出創新的BSC-ZKP方法。
本計畫的理論創新在於針對BIM設計的BSC-ZKP模型，該模型將BIM操作記錄安全存儲於基於區塊鏈的知識樞紐中。此模型能夠選擇並轉換歷史BIM操作記錄為知識陳述，進一步轉化為計算陳述與自我執行的ZKP邏輯。通過生成驗證問題並核對答案，BSC-ZKP模型能根據項目參與者的角色與義務，實現精確安全的BIM資訊存取。一項初步小規模試驗研究已驗證BSC-ZKP模型的技術可行性。
研究BSC對於將ZKP模型演化為BSC-ZKP以實現精確安全的BIM存取至關重要。利用BSC-ZKP的先進算法，可為利益相關方提供多種應用，包括BIM中的定制化資訊存取、用戶身份驗證及多邊協作中的知識產權保護。此外，本研究正在開發無縫接口，以將BSC-ZKP整合至主流BIM平台，目標是在不同規模與類型的建設項目中應用並評估其效能。
本計畫的主要成果將是BSC-ZKP模型——一種新穎、自動化、高效且具成本效益的方法，用於實現精確安全的BIM存取以支持多利益相關方協作。研究成果將有助拓展BIM領域內精確安全資訊存取的知識邊界。BSC-ZKP的潛在影響包括無縫增強現有BIM實踐、符合地方政府對BIM使用的強制要求、實現安全的用戶身份驗證與知識產權保護。此外，研究成果可能對工程信息學、建設管理、智慧城市及不斷演進的新質生產力背景下的分布式用戶管理產生深遠影響。
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