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Volume 15
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

TDSR: Distributed Data Asset Registration and Cross-Jurisdictional Verification in Trusted Data Spaces

by
Xingxing Yang
1,2,
Jieling Xie
3,
Weiping Deng
1,
Chi Zhang
1,
Junqi Ren
4,
Shuang Liu
4,
Wai Ip Lei
5,
Wei Wang
2,3,* and
Wenyong Wang
1,*
1
School of Computer Science and Engineering, Macau University of Science and Technology, Macau SAR 999078, China
2
Saiyu Technology (Beijing) Co., Ltd., Beijing 100070, China
3
China Internet Network Information Center, Beijing 100070, China
4
China Academy of Industrial Internet, Beijing 100015, China
5
Companhia de Equipamentos Master, Limitada, Macau SAR 999078, China
*
Authors to whom correspondence should be addressed.
Electronics 2026, 15(10), 2079; https://doi.org/10.3390/electronics15102079
Submission received: 20 April 2026 / Revised: 9 May 2026 / Accepted: 10 May 2026 / Published: 13 May 2026
(This article belongs to the Special Issue Emerging Technologies Integration in IoT and Wireless Networks: Advancing Security and Performance in Cross-Domain Applications)
Versions Notes

Abstract

Trans-border data circulation across multi-jurisdictional boundaries faces an operational conflict between ownership provenance prerequisites and data minimisation mandates, compounded by the tight coupling of large data payloads with synchronous state consensus ledgers, which forces replication of feature matrices across all consensus nodes and leads to network saturation. Existing frameworks remain unequipped to resolve this, as coupling in-band payload routing with synchronous state ledgers generates communication overheads scaling with data volume. The proposed Trusted Data Space with Registration (TDSR) implements a four-layer protocol stack. A dual-plane topology establishes a decoupled storage–ledger mechanism, partitioning asynchronous payload datastores and synchronous consensus ledgers to sustain throughput independent of data dimensionality. Navigating this infrastructure, the Unified Data Resource Identifier (UDRI) executes out-of-band cross-domain routing without exposing verifier intents. Driven by the Oblivious Data Asset Registration (ODAR) mechanism, a two-phase, four-algorithm lifecycle dictates end-to-end ownership provenance. This execution shifts hypothesis testing to isolated sandboxes via an algorithm-agnostic mathematical contract, capping external data transit at a constant leakage bound. A deployed testbed across the Guangdong-Hong Kong-Macao Greater Bay Area validates the proposed architecture, supporting data circulation across divergent legal jurisdictions.
Keywords: Trusted Data Space; Oblivious Data Asset Registration; cross-domain verification; unified data resource identifiers; data minimisation Trusted Data Space; Oblivious Data Asset Registration; cross-domain verification; unified data resource identifiers; data minimisation

Share and Cite

MDPI and ACS Style

Yang, X.; Xie, J.; Deng, W.; Zhang, C.; Ren, J.; Liu, S.; Lei, W.I.; Wang, W.; Wang, W. TDSR: Distributed Data Asset Registration and Cross-Jurisdictional Verification in Trusted Data Spaces. Electronics 2026, 15, 2079. https://doi.org/10.3390/electronics15102079

AMA Style

Yang X, Xie J, Deng W, Zhang C, Ren J, Liu S, Lei WI, Wang W, Wang W. TDSR: Distributed Data Asset Registration and Cross-Jurisdictional Verification in Trusted Data Spaces. Electronics. 2026; 15(10):2079. https://doi.org/10.3390/electronics15102079

Chicago/Turabian Style

Yang, Xingxing, Jieling Xie, Weiping Deng, Chi Zhang, Junqi Ren, Shuang Liu, Wai Ip Lei, Wei Wang, and Wenyong Wang. 2026. "TDSR: Distributed Data Asset Registration and Cross-Jurisdictional Verification in Trusted Data Spaces" Electronics 15, no. 10: 2079. https://doi.org/10.3390/electronics15102079

APA Style

Yang, X., Xie, J., Deng, W., Zhang, C., Ren, J., Liu, S., Lei, W. I., Wang, W., & Wang, W. (2026). TDSR: Distributed Data Asset Registration and Cross-Jurisdictional Verification in Trusted Data Spaces. Electronics, 15(10), 2079. https://doi.org/10.3390/electronics15102079

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