1. Ao, Z., Horvath, G., Zhang, L.: Are decentralized finance really decentralized? A social network analysis of the Aave protocol on the Ethereum blockchain. arXiv preprint arXiv:2206.08401 (2022)
2. Baur, D.G., Hong, K., Lee, A.D.: Bitcoin: medium of exchange or speculative assets? J. Int. Finan. Markets. Inst. Money 54, 177–189 (2018)
3. Bhosale, J., Mavale, S.: Volatility of select crypto-currencies: a comparison of bitcoin, ethereum and litecoin. Annu. Res. J. SCMS, Pune 6 (2018)
4. Campajola, C., D’Errico, M., Tessone, C.J.: Microvelocity: rethinking the velocity of money for digital currencies. arXiv preprint arXiv:2201.13416 (2022)
5. Cong, L.W., Xiao, Y.: Categories and functions of crypto-tokens. In: The Palgrave Handbook of FinTech and Blockchain, pp. 267–284 (2021)