A conceptual model for monitoring portfolio management in project offices based on blockchain

Authors

  • Yuliia Husieva O.M. Beketov National University of Urban Economy in Kharkiv
  • Igor Chumachenko O.M. Beketov National University of Urban Economy in Kharkiv
  • Ivan Nekrasov Central Research Institute of Armaments and Military Equipment of Armed Forces of Ukraine
  • Illia Khudiakov O.M. Beketov National University of Urban Economy in Kharkiv
  • Nataliia Dotsenko O.M. Beketov National University of Urban Economy in Kharkiv

DOI:

https://doi.org/10.30837/2522-9818.2026.2.015

Keywords:

blockchain; project portfolio management (PPM); management transparency; distributed ledger technology (DLT); business process simulation; portfolio management compliance index (PGCI); data accountability

Abstract

The subject of this study is the processes of ensuring transparency, accountability, and data integrity in project portfolio management systems based on distributed ledger technologies. The objective of this work is to develop a conceptual model, the Blockchain Portfolio Governance Model (BPGM), to enhance the transparency, integrity, and manageability of strategic portfolio management processes. Objectives: to develop a multi-level model architecture that combines traditional management cycles with cryptographic event logging mechanisms; to formalize management decisions as distributed ledger objects using asymmetric cryptography; to propose a comprehensive management quality assessment metric that accounts for both technical integrity and procedural discipline; to validate the model through simulation modeling of business processes. Research methods: systems analysis, methods of mathematical and simulation modeling in the Bizagi Modeler environment, asymmetric encryption, and hashing algorithms to ensure data integrity in distributed networks. Results. This paper proposes and justifies the architecture of the Blockchain Portfolio Governance Model, comprising five levels: governance, data aggregation, decision formalization, cryptographic integrity, and audit. A mathematical framework for event logging has been developed, where each decision is signed using the ECDSA digital signature algorithm. A new comprehensive metric has been introduced – the Portfolio Governance Compliance Index – which enables the detection of "shadow" management actions by comparing the number of requests initiated in external systems with the number of validated transactions on the blockchain. A series of simulation experiments demonstrated that implementing Proof-of-Authority consensus algorithms in a corporate network introduces negligible time delays (less than 1% of the total cycle), while the majority of the process time is spent on expert analysis. Conclusions: The application of the BPGM model enables transforming subjective portfolio management into a transparent, algorithmic process. The proposed solution ensures the creation of a «single source of truth» for all stakeholders, significantly simplifies audit procedures, and enhances the organization’s institutional reliability without compromising its operational efficiency.

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Author Biographies

Yuliia Husieva, O.M. Beketov National University of Urban Economy in Kharkiv

Doctor of Technical Sciences, Associate Professor, Professor of the Project Management in Urban Economy and Construction Department

Igor Chumachenko, O.M. Beketov National University of Urban Economy in Kharkiv

Doctor of Technical Sciences, Professor, Head of the Project Management in Urban Economy and Construction Department

Ivan Nekrasov, Central Research Institute of Armaments and Military Equipment of Armed Forces of Ukraine

Candidate of Technical Sciences, Research Fellow

Illia Khudiakov, O.M. Beketov National University of Urban Economy in Kharkiv

PhD, Senior Lecturer of the Project Management in Urban Economy and Construction Department

Nataliia Dotsenko, O.M. Beketov National University of Urban Economy in Kharkiv

Doctor of Technical Sciences, Professor, Professor of the Project Management in Urban Economy and Construction Department,

References

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Published

2026-06-27

How to Cite

Husieva, Y., Chumachenko, I., Nekrasov, I., Khudiakov, I. and Dotsenko, N. (2026) “A conceptual model for monitoring portfolio management in project offices based on blockchain”, INNOVATIVE TECHNOLOGIES AND SCIENTIFIC SOLUTIONS FOR INDUSTRIES, (2(36), pp. 15–28. doi: 10.30837/2522-9818.2026.2.015.

Issue

No. 2(36) (2026): Innovative Technologies and Scientific Solutions for Industries

Section

INFORMATION TECHNOLOGY

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