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Fraud detections for online businesses : a perspective from blockchain technology
Cai, Yuanfeng; Zhu, Dan - In: Financial innovation : FIN 2 (2016) 20, pp. 1-10
shopping for customers. However, it is vulnerable to rating fraud. Some raters may inject unfairly high or low ratings to the … system so as to promote their own products or demote their competitors. Method: This study explores the rating fraud by … differentiating the subjective fraud from objective fraud. Then it discusses the effectiveness of blockchain technology in objective …
Persistent link: https://www.econbiz.de/10011590277
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Are blockchains immune to all malicious attacks?
Xu, Jennifer J. - In: Financial innovation : FIN 2 (2016) 25, pp. 1-9
, blockchain is believed to resist fraud and hacking. Results: This work explores the types of fraud and malicious activities that …
Persistent link: https://www.econbiz.de/10011590331
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Detecting DeFi securities violations from token smart contract code
Trozze, Arianna; Kleinberg, Bennett; Davies, Toby - In: Financial innovation : FIN 10 (2024), pp. 1-35
Decentralized Finance (DeFi) is a system of fnancial products and services built and delivered through smart contracts on various blockchains. In recent years, DeFi has gained popularity and market capitalization. However, it has also been connected to crime, particularly various types of...
Persistent link: https://www.econbiz.de/10014535530
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Bitcoin price change and trend prediction through Twitter sentiment and data volume
Critien, Jacques Vella; Gatt, Albert; Ellul, Joshua - In: Financial innovation : FIN 8 (2022), pp. 1-20
Twitter sentiment has been shown to be useful in predicting whether Bitcoin's price will increase or decrease. Yet the state-of-the-art is limited to predicting the price direction and not the magnitude of increase/decrease. In this paper, we seek to build on the state-of-the-art to not only...
Persistent link: https://www.econbiz.de/10013272678
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Is money going digital? : an alternative perspective on the current hype
Reiss, Daniel Gersten - In: Financial innovation : FIN 4 (2018) 14, pp. 1-6
Current financial discourse suggests the imminence of a cashless society, a concept that arose from the global popularization of digital financial services and the development of technologies with the potential for application in financial markets. However, claims about the impending...
Persistent link: https://www.econbiz.de/10011883174
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Financial technology and the future of banking
Broby, Daniel - In: Financial innovation : FIN 7 (2021), pp. 1-19
This paper presents an analytical framework that describes the business model of banks. It draws on the classical theory of banking and the literature on digital transformation. It provides an explanation for existing trends and, by extending the theory of the banking firm, it illustrates how...
Persistent link: https://www.econbiz.de/10012594546
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User acceptance of social network-backed cryptocurrency : a unifed theory of acceptance and use of technology (UTAUT)-based analysis
Recskó, Márk; Aranyossy, Márta - In: Financial innovation : FIN 10 (2024), pp. 1-29
Turbulent market conditions, well-publicized advantages, and potential individual, social, and environmental risks make blockchain-based cryptocurrencies a popular focus of the public and scientifc communities. This paper contributes to the literature on the future of crypto markets by analyzing...
Persistent link: https://www.econbiz.de/10014535546
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Online payment fraud : from anomaly detection to risk management
Vanini, Paolo; Rossi, Sebastiano; Zvizdic, Ermin; … - In: Financial innovation : FIN 9 (2023) 1, pp. 1-25
Online banking fraud occurs whenever a criminal can seize accounts and transfer funds from an individual's online bank … false alarms. This is a challenge for machine learning owing to the extremely imbalanced data and complexity of fraud. In … addition, classical machine learning methods must be extended, minimizing expected financial losses. Finally, fraud can only be …
Persistent link: https://www.econbiz.de/10014289065
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How much do social connections matter in fundraising outcomes?
Guo, Lihuan; Wang, Wei; Wu, Yenchun Jim; Goh, Mark - In: Financial innovation : FIN 7 (2021), pp. 1-23
This study examines the role of social connections and network centrality in attracting funders to crowdfunding campaigns. We classify social connections as either external (e.g., Facebook) or internal (e.g., investing in online platforms through resource exchange). Drawing from the 108,463...
Persistent link: https://www.econbiz.de/10012705469
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The relative importance of competition to contagion : evidence from the digital currency market
Xie, Peng; Wu, Jiming; Du, Hongwei - In: Financial innovation : FIN 5 (2019) 41, pp. 1-19
How does the valuation change of an industry leader influence its competitors? Does it induce a competitive effect or a contagion effect? What are the driving forces of such influences? We attempted to answer these questions within digital currency markets. We found that both close and distant...
Persistent link: https://www.econbiz.de/10012268498