| Vol-4029 urn:nbn:de:0074-4029-X Copyright © 2025 for the individual papers by the papers' authors. Copyright © 2025 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# DECaT 2025
Digital Economy Concepts and Technologies 2025

### Proceedings of the Workshop on Digital Economy Concepts and Technologies (DECaT 2025)

### Kyiv, Ukraine, April 4, 2025 (online).

Edited by

### Kateryna Osadcha *
Tetiana Vakaliuk **
Viacheslav Osadchyi ***

* Norwegian University of Science and Technology, Trondheim, Norway
** Zhytomyr Polytechnic State University, Zhytomyr, Ukraine
*** Borys Grinchenko Kyiv Metropolitan University, Kyiv, Ukraine

## Table of Contents

- Preface
  Summary: There were 18 papers submitted for peer-review to this workshop. Out of these, 11 papers were accepted for this volume, 7 as regular papers and 4 as short papers.

- Mathematical Methods for Assessing the Level of Cybersecurity and Digital Development of Countries 1-11
  Kseniia Verhal, Oksana Kushnirenko, Oleksandr Bykonia, Nazarii Romanovskyi, Ivan Opirskyy

- Artificial Intelligence and Blockchain Technologies as Tools for Modeling Investment Projects 12-27
  Maryna Chyzhevska, Oleksandra Kuzmenko, Vitalii Venger, Nataliia Romanovska, Alona Desiatko

- Adaptive Model of Economic Development with an Open Market 28-50
  Yurii Kolyda, Sergii Poznyak, Nadiia Babii, Bohdan Zhurakovskyi

- Canonical Correlation Analysis in Information Systems for Assessing Economic Growth and Environmental Security Relationships 51-60
  Pavlo Hryhoruk, Nila Khrushch, Svitlana Grygoruk, Andrii Ramskyi

- Leveraging Information Systems and Statistical Computing to Model the Evolution of the Artificial Intelligence Labor Market in the Digital Economy 61-75
  Oksana Klochko, Ihor Tverdokhlib, Oleksandr Sharyhin, Olena Furman

- Analyzing the Rationality of using Different Merkle Tree Constructions in Blockchain-based Accounting Systems 76-95
  Volodymyr Dubinin, Yaroslav Panasenko, Serhii Volynets, Viktoriia Zhebka, Dmytro Nishchemenko

- Method of Ensuring Data Integrity and Authenticity based on the Integration of Blockchain Technology 96-109
  Ivan Opirskyy, Vasyl Poberezhnyk, Valeriia Balatska

- Variational Autoencoders for Detecting Anomalous and Fraudulent Transactions in Financial Systems (short paper) 110-118
  Serghiy Obushnyi, Denys Virovets, Andrii Ramskyi, Maksym Zhytar, Pavlo Skladannyi

- Artificial Intelligence Generated Virtual Influencers in Online Social Media (short paper) 119-125
  Vasyl Buhas, Ihor Ponomarenko, Dmytro Ponomarenko, Viktoriia Zhebka

- Information Technologies in Modeling the Impact of the Economic Environment on the Performance of Companies (short paper) 126-134
  Mykhailo Kuzheliev, Alina Nechyporenko, Oleksandra Danovych, Viacheslav Osadchyi, Volodymyr Sokolov

- Artificial Intelligence in Digital Marketing: Bibliometric Analysis (short paper) 135-142
  Tetiana Zavalii, Serhii Lehenchuk, Tetiana Ostapchuk, Oleh Vlasenko, Mykhailo Medvediev

2025-09-08: submitted by Viacheslav Osadchyi, metadata incl. bibliographic data published under Creative Commons CC0
2025-09-17: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|