Sökning: "bitcoin"
Visar resultat 1 - 5 av 7 avhandlingar innehållade ordet bitcoin.
1. Essays on systemic risk and financial market volatility
Sammanfattning : This doctoral thesis consists of four independent research papers. All papers are empirical and cover the area of financial market risk, with a particular focus on systemic risk and volatility in financial markets. LÄS MER
2. Crowds, Coins and Communities : Digital Entrepreneuring in Emerging Financial Infrastructures
Sammanfattning : Digitalisation, or activities mediated by digital technologies, is more than the movement of pre-digital practices to digital environments. Instead, it fundamentally changes underlying practices. This thesis studies digitalisation in the field of finance, as entrepreneurs reinvent existing financial infrastructures, piece by piece. LÄS MER
3. Essays on Financial Technology and SME Finance : A Tale of Two Effects of the Global Financial Crisis: Financing SMEs and Innovative Financing
Sammanfattning : The financial crisis of 2008-2009 took place exactly half a century after the publication of the seminal Modigliani and Miller (M&M) theorem, often called the capital structure irrelevance principle. This timing is curious since the crisis has highlighted the significance of deviations from assumptions of this theorem, i.e. LÄS MER
4. Breaking the Unbreakable : Exploiting Loopholes in Bell’s Theorem to Hack Quantum Cryptography
Sammanfattning : In this thesis we study device-independent quantum key distribution based on energy-time entanglement. This is a method for cryptography that promises not only perfect secrecy, but also to be a practical method for quantum key distribution thanks to the reduced complexity when compared to other quantum key distribution protocols. LÄS MER
5. The Performance, Interoperability and Integration of Distributed Ledger Technologies
Sammanfattning : In the wake of the financial crisis of 2008, Bitcoin emerged as a radical new alternative to the fiat currencies of the traditional banking sector. Through the use of a novel kind of probabilistic consensus algorithm, Bitcoin proved it possible to guarantee the integrity of a digital currency by relying on network majority votes instead of trusted institutions. LÄS MER