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Blockchain has the potential to improve the access, quality and cost of financial services, but technical challenges …
Persistent link: https://www.econbiz.de/10012896160
the Blockchain made it possible to fill his vision with life. Cryptocurrencies (abbr. cryptos) came up and widened the …
Persistent link: https://www.econbiz.de/10012902487
We show that there cannot be common knowledge trade in a truly decentralised environment, such as in a blockchain. A … traders in a blockchain is hidden, an oracle can impersonate a trader, by participating in a trade only when he knows that the …
Persistent link: https://www.econbiz.de/10012836241
A total of 1.1 million bitcoin were stolen in the 2013–2017 period. Noting that the average price for Bitcoin in 2018 was USD 7,572 the corresponding monetary equivalent of losses is USD 8.9 billion which strongly shows the societal impact of this criminal activity. Investigating the response...
Persistent link: https://www.econbiz.de/10012839322
We investigate the price reaction of international listed companies in response to blockchain-related announcements … returns for smaller firms and for announcements in late 2017 and early 2018. We develop a blockchain company portfolio based … on blockchain-related announcements and show that the portfolio follows the evolution of the bitcoin price. Our findings …
Persistent link: https://www.econbiz.de/10012899238
We propose a taxonomy of cybercrime on the Ethereum blockchain and examine how cybercrime impacts victims' risk …
Persistent link: https://www.econbiz.de/10014323138
the Blockchain made it possible to fill his vision with life. Cryptocurrencies (abbr. cryptos) came up and widened the …
Persistent link: https://www.econbiz.de/10011349496
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...
Persistent link: https://www.econbiz.de/10012867869
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...
Persistent link: https://www.econbiz.de/10012026468
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...
Persistent link: https://www.econbiz.de/10012171767