This paper provides some comprehensive evidence on the effects of cyber-attacks on the returns, realized volatility and trading volume of five of the main cryptocurrencies (Bitcoin, Ethereum, Litecoin, XRP and Stellar) in 99 developed and developing countries. More specifically, it investigates...

1. Digital leadership models, strategies and traits -- 2. Social Media, Challenges and Strategies in 5G and 6G -- 3. Cyber Security defence including Ransomware attacks for Small and Medium-Sized Businesses in the digital economy -- 4. Information Governance, security and e-Governance -- 5. The...

This paper examines mean and volatility spillovers between three major cryptocurrencies (Bitcoin, Litecoin and Ethereum) and the role played by cyber attacks. Specifically, trivariate GARCH-BEKK models are estimated which include suitably defined dummies corresponding to different types, targets...

This paper uses a Markov-switching non-linear specification to analyse the effects of cyber attacks on returns in the case of four cryptocurrencies (Bitcoin, Ethernam, Litecoin and Stellar) over the period 8/8/2015-28/2/2019. The analysis considers both cyber attacks in general and those...

Inmitten von Digitalisierung, staatlichen Rettungspaketen, Zentralbankeninterventionen und Rekordverschuldung entwickelt sich eine neue Anlageklasse: die Krypto-Assets. Privatanleger und Banken haben gleichermassen das Potenzial und die Faszination der neuen Währungen, allen voran Bitcoin,...