Changes in the market structure and risk management of Bitcoin and its forked coins |
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| Institution: | 1. Business School, Hunan University, China;2. Research Institute of Digital Society and Blockchain, Hunan University, China;3. Center for Resource and Environmental Management, Hunan University, China;4. School of Public Administration, Hunan University, China;5. The Energy Centre, University of Auckland, 12 Grafton Rd, Auckland 1010, New Zealand;6. Asia Pacific Applied Economics Association, Melbourne, Australia;7. School of Banking, University of Economics Ho Chi Minh City, Vietnam;8. Essex Business School, University of Essex, United Kingdom |
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| Abstract: | Inconsistency of consensus results in blockchain forks, which create a new financial risk. After filtering out Bitcoin’s linear, nonlinear, and lag impacts on forked coins, this study employs a bottom-up hierarchical clustering algorithm to examine the logarithmic return series for Bitcoin and its 14 forked coins from 2018 to 2021. The results indicate that the market for forked coins can be divided into three clusters: SegWit-supported forked coins, mature forked coins, and the latest forked coins. Bitcoin and the mature forked coins form a cluster, and its performance is superior to others. Although Bitcoin’s return significantly affects that of its forked coins, it does not affect the market structure. Furthermore, this study provides references for risk aversion among investors in forked coins and presents macro-level information for cryptocurrency market authorities. |
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| Keywords: | Bitcoin Forked coin Market structure Financial risk Hierarchical clustering algorithm Blockchain |
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