This paper studies cryptocurrency. Firstly, this paper discusses the currency attribute of cryptocurrency. Secondly, this paper analyzes the advantages and disadvantages of cryptocurrency. Thirdly, this paper discusses the impact of cryptocurrency on the currency structure. Finally, this paper constructs the returns according to the daily price and statistically analyzes the yield difference of Bitcoin, Ethereum and Dogecoin. The ARIMA model is used to predict the return of cryptocurrency. This paper also gives the corresponding investment suggestions.

Enwei Liang. Fundamental Study of Cryptocurrencies. The Frontiers of Society, Science and Technology (2021) Vol. 3, Issue 8: 22-28. https://doi.org/10.25236/FSST.2021.030805.

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