• Title, Summary, Keyword: Virtual Currency

Search Result 31, Processing Time 0.046 seconds

Analysis of Users' Utility on the Virtual Currency in Mobile Games: Focusing on S Mobile Game (모바일 게임 내 가상통화에 대한 이용자들의 효용 분석: S 모바일 게임을 중심으로)

  • Park, Jong-Won;Yoo, Chang-Sok;Yang, Sung-Byung
    • The Journal of Information Systems
    • /
    • v.27 no.3
    • /
    • pp.141-160
    • /
    • 2018
  • Purpose The purpose of this study is to verify mobile game users' perceived utilities about real (price) and virtual (Ruby) currencies, which are the major factors of in-app purchase (IAP) widely used as a business model in a mobile game industry. Design/methodology/approach By using sales volume and sales frequency data for products sold in an 'S' mobile game from the 'D' mobile game company, we conducted a conjoint analysis according to the procedure recommended by Bicheno (2009). Findings The results of this study indicate that (1) mobile game users have greater utility for a virtual currency (Ruby) than for a real currency (price), (2) mobile game users' utility for virtual (Ruby) and real (price) currencies varies depending on sales volume and sales frequency, as well as (3) mobile markets (e.g., Google Play Store vs. Apple App Store), and (4) mobile game users have greater utility for a virtual currency (Ruby) which can be used readily than later.

Examination of Transaction Secure Safety of Block Chain (블록체인 안전성 확보를 위한 거래 검토)

  • Choi, Heesik;Cho, Yanghyun
    • Journal of the Korea Society of Digital Industry and Information Management
    • /
    • v.15 no.1
    • /
    • pp.77-86
    • /
    • 2019
  • Comparative analysis to secure safety of Blockchain Many investors have invested in virtual currency such as bit coins as a new investment due to increased popularity of virtual currency around the world. Also, virtual currency such as bit coin has a security technology and it has been relatively proved. popularity of virtual currency is rising as a new investment alternative because of this reason. This paper focused on the block chain's transparency and security of distributed ledger technology, which is relatively safe without third party's intervention. Many governments and companies around the world are developing and working on block chain technological development to introduce due to these reasons However, there are some suggestion that block chain has minor risks to its security. In this paper, it will examine security vulnerabilities from importance of security of Blockchain which relates to transactions of Bitcoin which stored by governments and companies around the world. This paper will propose measure which will improve safety and efficiency of Blockchain technology such as the existing Blockchain method, Blockchain proposal, traceability and awareness about hacking.

Measuring Return and Volatility Spillovers across Major Virtual Currency Market (주요 가상화폐 시장간 수익률 및 변동성 전이효과에 관한 연구)

  • Yoo, Ju-Hyun;Kang, Ju-Young;Park, Sang-Un
    • The Journal of Information Systems
    • /
    • v.27 no.3
    • /
    • pp.43-62
    • /
    • 2018
  • Purpose Since the Bitcoin, which was the first virtual currency, was made at 2009, almost 1,000 virtual currencies appeared onstage in the world. Even though virtual currencies have the function of money as a medium of exchange or contract, any of those has not yet entered the commercialization stage. Instead, some of the virtual currencies show the nature of investment assets. In the case of virtual money investment, users tend to use all the information of the world because information transfer is very easy and capital movement is almost free between different countries. In addition, as the transaction sizes of virtual currencies increase, a virtual currency price is no longer independent and is likely to be affected by the prices of other virtual currencies. Therefore, it is necessary to understand the influence among virtual currency markets, which helps successful implementation of investment strategies. Design/methodology/approach This study focuses on the investment product function of virtual money and conducts the analysis using the time series model used in the financial and economic areas. In this paper, we try to analyze the return and volatility transfer effect of virtual money markets through GJR-GARCH model. Findings This study is expected to find out whether we can make market forecasts through reflecting changes in other markets. In addition, we can reduce the trial and error of user decision making by using the information on the yield and volatility transition effect derived from the research results, and it is expected to reduce the opportunity cost of users.

The Security Risk and Countermeasures of Blockchain based Virtual Currency Trading (블록체인 기반 가상화폐 거래의 보안 위험 및 대응방안)

  • Chung, Young-Seek;Cha, Jae-Sang
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
    • /
    • v.11 no.1
    • /
    • pp.100-106
    • /
    • 2018
  • Since the concept of virtual currency called Bitcoin was announced in 2008, the blockchain technology, which is the basis of Bitcoin, is attracting attention as an important platform technology in the era of the 4th industrial revolution that can change our society in the future. Although Existing electronic financial transactions store and manage all transaction history at a reliable central organization such as government and bank, blockchain-based electronic financial transactions are composed of a distributed structure in which all participants participating in the transaction store and manage the transaction history, it is possible to secure transaction transparency while reducing system construction and operation costs. Besides the virtual currency that started with bit coins, the technology of these blockchains has been extended in various fields such as smart contracts and document management. The key technology area of this blockchain is security based on proven cryptographic technology to make it difficult to forge and hack, but there are security risks such as security vulnerabilities in the virtual currency trading service, We will discuss security risks in using virtual currency and discuss countermeasures. Especially security accidents of virtual currency exchanges are occurring frequently recently, the damage of users who trade the virtual currency is also increasing, we propose security threats and security countermeasures against virtual currency exchanges.

A Legal Review on Abuse Cases of Virtual Currency and Legal Responses (가상화폐의 악용사례와 법적 대응방안에 관한 고찰)

  • Hwang, Suk-Jin
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.19 no.2
    • /
    • pp.585-594
    • /
    • 2018
  • Virtual currencies have emerged along with new technologies such as block chain, artificial intelligence (AI), and big data. This study examines the benefits of a security-enhanced block chain resulting from individual trading, decentralized from governments, as well as the problems associated with misuse of virtual currencies. Virtual currencies, due to its anonymity, is vulnerable to financial crimes, such as ransom-ware, fraud, drug trafficking, tax evasion and money laundering. Use of virtual currencies can facilitate criminals avoid detection from investigative agencies. Government regulatory policy continues to address these concerns, and the virtual currency exchange has also announced a self-regulation proposal. However, a fundamental solution remains necessary. The purpose of this paper is to investigate the problems regarding abuse of virtual currency and to identify a practical system for transactions involving virtual currencies. However, in order to promote transactions involving virtual currencies and to institutionalize a governance system, multilateral cooperation is required. Although the restricting the use of virtual currencies regarding minors and foreign trade, as well as the introduction of a real-name system are considered promising prospects, many problems remain. Virtual currency is not a simple digital item but a method of redesigning the function of money. Coordinated efforts are needed globally to be able to further activate the positive aspects concerning the use of virtual currencies.

Virtual currency and confiscation

  • Lee, Ju-Il
    • Journal of the Korea Society of Computer and Information
    • /
    • v.23 no.5
    • /
    • pp.41-46
    • /
    • 2018
  • This study focuses on the legal concept of virtual money, focusing on the case of how we can change the framework of fixed thinking about our trade concept and money with the fourth industrial revolution. The legal character of the virtual money, which played a role as a means of trading in crime, could be discussed, and the court could put it in the category of " property " as a subject of confiscation. Many people are expressing empathy for the fact that there will be many traits in the future world that are difficult to predict. At this side, when the legal validity of the advantage is not recognized as the legal money yet to be recognized as the legal currency, it begins to be discussed as a necessary means of trading between individuals, businesses and individuals. Defining a legal character can be very significant in determining policy direction related to future operations of virtual money. But to date, it is very difficult to establish the legal character of virtual money through existing legislation. Therefore, as we looked at in this case, we examined whether the property was subject to the seizure of the profits from the crime. Attention was also given to the possibility of such abuse of virtual money and whether effective legal interpretation was possible for the categories of assets subject to seizure.

A Study of the Factors Influencing Acceptance of Virtual Currency: Focused on Technology Acceptance Model (가상화폐의 수용에 영향을 미치는 요인 연구: TAM을 중심으로)

  • Gu, Seung Hwan;Wang, Ping;Sun, Tingting
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.15 no.7
    • /
    • pp.4122-4131
    • /
    • 2014
  • The purpose of this study was to explore the features of virtual currency, which has become a hot topic recently. The characteristics of virtual currency were examined in terms of the effect on consumer acceptance. Therefore, when using the accepted model of the technology, the derived results should be analyzed by SEM. The research results showed that versatility and reliability affect the ease of use and safety is not have an effect. The utility did not have a direct effect on the attitudes and satisfaction, and the ease of use directly affects the ease of use, attitude and satisfaction. Finally, satisfaction with the attitude had a positive impact on the time of use. Effective strategies to manage the effect of the virtual currency will be possible to formulate from the results of this study.