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Keundug Park and Heung-Youl Youm
The volume of the asset investment and trading market can be expanded through the issuance and management of blockchain-based security tokens that logically divide the value of assets and guarantee ownership. This paper proposes a service model to solve ...
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Gyuha Han, Da-Vin Ahn, Doyeop Kwon, Heung-Sub Kim, Young-Jun Park and Jin Woong Lee
Verification of the system is essential during the development of a tractor; however, there are cost and time limitations when verification is performed on an actual tractor. To solve this problem, we developed a tractor model for real-time simulation to...
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Keundug Park and Heung-Youl Youm
This paper proposes a solution to the transfer problem between blockchain-based heterogeneous cryptocurrencies and CBDCs, with research derived from an analysis of the existing literature. Interoperability between heterogeneous blockchains has been an ob...
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Sungchae Park and Heung-Youl Youm
As COVID-19 became a pandemic worldwide, contact tracing technologies and information systems were developed for quick control of infectious diseases in both the private and public sectors. This study aims to strengthen the data subject?s security, priva...
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Keundug Park and Heung-Youl Youm
Recently, cross-border transfers using blockchain-based virtual assets (cryptocurrency) have been increasing. However, due to the anonymity of blockchain, there is a problem related to money laundering because the virtual asset service providers cannot i...
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Mathieu F. Bilodeau, Travis J. Esau, Aitazaz A. Farooque, Qamar U. Zaman and Brandon Heung
Dykelands are agricultural ground protected from coastal inundation by dyke infra-structure and constitute some of the most agriculturally productive lands in Nova Scotia. Between 2015 and 2019, Canada?s Annual Crop Inventory was used to characterize and...
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Jehyuk Jang and Heung-No Lee
Our aim in this paper is to investigate the profitability of double-spending (DS) attacks that manipulate an a priori mined transaction in a blockchain. It was well understood that a successful DS attack is established when the proportion of computing po...
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Tae Heung Lim, Byung-Jun Jang and Hosung Choo
In this paper, we propose a novel design of a two-element array antenna on an electrical thick substrate with an extremely narrow array distance. The proposed array consists of a rectangular ring patch printed on a thick substrate and a monopole wire in ...
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Heung Joo Jeon and Hyun Min Oh
This study empirically analyzes the effect of debt origin on investment efficiency. According to previous studies that report that the quality of financial reporting may vary depending on the origin of the debt, the empirical analysis predicted that the ...
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Otabek Sattarov, Azamjon Muminov, Cheol Won Lee, Hyun Kyu Kang, Ryumduck Oh, Junho Ahn, Hyung Jun Oh and Heung Seok Jeon
The net profit of investors can rapidly increase if they correctly decide to take one of these three actions: buying, selling, or holding the stocks. The right action is related to massive stock market measurements. Therefore, defining the right action r...
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