Business Commons^™

Bitcoin: The Pioneer Of Cryptocurrency With A Limited Dream, Anna M. Gellerman, Benjamin Zheng

Publications and Research

BitCoin is the most well known and adaptable cryptocurrency today. Due to the evolvement of the cryptocurrency market, many are thinking what this could mean for society; is the world ready for a new mainstream medium of exchange? This poster argues that although BitCoin is functional for small scale payments, it is inadaptable to become a payment tool comparable to cash and card.

Fraud Detections For Online Businesses: A Perspective From Blockchain Technology, Yuanfeng Cai, Dan Zhu

Publications and Research

Background: The reputation system has been designed as an effective mechanism to reduce risks associated with online 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 fraud and its limitation in subjective fraud, especially the rating fraud. Lastly, it systematically analyzes the robustness of blockchain-based reputation systems in each type of …