Sökning: "Bitcoin"

Visar resultat 1 - 5 av 7 avhandlingar innehållade ordet Bitcoin.

  1. 1. Essays on systemic risk and financial market volatility

    Författare :Dominika Krygier; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; systemic risk; Volatility; Volatility forecasting; Bitcoin; implicit guarantees; Financial stability; Leverage; Value-at-Risk; CoVaR; networks; Centrality; interconnectedness; Financial crisis; Stock market; Banks; Financial Markets;

    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

  3. 2. Crowds, Coins and Communities : Digital Entrepreneuring in Emerging Financial Infrastructures

    Författare :Claire Ingram Bogusz; Handelshögskolan i Stockholm; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    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

  4. 3. Essays on Financial Technology and SME Finance : A Tale of Two Effects of the Global Financial Crisis: Financing SMEs and Innovative Financing

    Författare :Ed Saiedi; Anders Broström; Ali Mohammadi; Felipe Ruiz Lopez; Tom Vanacker; KTH; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Corporate Finance; Entrepreneurial Finance; Global Financial Crisis; Financial Innovation; Small and Medium Enterprises; Industriell ekonomi och organisation; Industrial Economics and Management;

    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

  5. 4. Breaking the Unbreakable : Exploiting Loopholes in Bell’s Theorem to Hack Quantum Cryptography

    Författare :Jonathan Jogenfors; Jan-Åke Larsson; Fredrik Karlsson; Marek Żukowski; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    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

  7. 5. The Performance, Interoperability and Integration of Distributed Ledger Technologies

    Författare :Emanuel Palm; Ulf Bodin; Olov Schelén; Jerker Delsing; Peter Altmann; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; blockchain; distributed ledger; distributed ledger technologies; industry 4.0; smart industries; Industriell elektronik; Industrial Electronics;

    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