We test for the existence of bubbles in DeFi-focused cryptocurrencies, seeking to identify key driving forces that distinguish DeFi tokens from conventional cryptocurrencies. Conducting Supremum Augmented Dickey-Fuller, and Hacker-Hatemi-J modified Wald tests, as well as Diebold-Yilmaz return...

We investigate connectedness between energy cryptocurrencies and common asset classes, including oil, using TVP-VAR modeling, evidencing that energy cryptocurrencies, as diversifiers, normally have strong connections with bitcoin and nothing else. However, their connectedness to other assets...

We evidence that cryptocurrencies possess a significantly higher probability of crash risk than equity indices, albeit such cryptocurrency market crashes are typically of shorter duration, while possessing an increased probability of acting a source of instability through which can pass through...