Showing 1 - 10 of 68
The blockchain is a technology that goes beyond timestamping, bitcoin and secure financial transactions. The … development of an ecosystem around smart connected objects will probably not happen without the blockchain (in one form or another …). The blockchain opens the door to the liquification of the physical world, to the economy of real-time micro …
Persistent link: https://www.econbiz.de/10011794645
We propose a taxonomy of cybercrime on the Ethereum blockchain and examine how cybercrime impacts victims' risk …
Persistent link: https://www.econbiz.de/10014323138
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
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...
Persistent link: https://www.econbiz.de/10012219891
with blockchain-enabled credibility based on economic consensus. The key results set out the conditions under which the …
Persistent link: https://www.econbiz.de/10013206072
Since its launch in 2009 much has been written about Bitcoin, cryptocurrencies and blockchains. While the discussions initially took place mostly on blogs and other popular media, we now are witnessing the emergence of a growing body of rigorous academic research on these topics. By the nature...
Persistent link: https://www.econbiz.de/10012418426
Central bank digital currencies (CBDCs) are receiving more attention than ever before. Yet the motivations for issuance vary across countries, as do the policy approaches and technical designs. We investigate the economic and institutional drivers of CBDC development and take stock of design...
Persistent link: https://www.econbiz.de/10012306593
We propose a model which uses the Bitcoin/US dollar exchange rate to predict the computing power of the Bitcoin network. We show that free entry places an upper-bound on mining revenues and we devise a structural framework to measure its value. Calibrating the model's parameters allows us to...
Persistent link: https://www.econbiz.de/10011789223
conflict between the blockchain designer and validators with monopoly power in choosing between price-setting and quantity …
Persistent link: https://www.econbiz.de/10015046289