Sökning: "bitcoin"

Visar resultat 1 - 5 av 58 uppsatser innehållade ordet bitcoin.

  1. 1. Design and Implementation of Corporate Actions on a Decentralized Securities Depository

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Jonas Hedin; [2017]
    Nyckelord :;

    Sammanfattning : Trading securities is a process that requires multiple trusted intermediaries to ensure that the trade is done correctly. The securities industry is therefore very slow and expensive; the central securities depository (CSD) being one of the main contributors to the disruption. LÄS MER

  2. 2. Bitcoin som betalningsmedel

    Magister-uppsats, Linnéuniversitetet/Institutionen för ekonomistyrning och logistik (ELO)

    Författare :Mikaela Sylven; [2017]
    Nyckelord :Bitcoin; betalningsmedel; virtuell valuta; kryptovaluta.;

    Sammanfattning : Background: It is written much about the virtual currency in the media. Bitcoin is a virtual currency that is beginning to be used as payment for the purchase of goods and services. There are risks associated with virtual currencies just like traditional payments are, in some ways, these risks are similar, while they aredifferent in other ways. LÄS MER

  3. 3. Analysis of Scalable Blockchain Technology in the Capital Market

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Avdelningen för datalogi

    Författare :Carl Jonéus; [2017]
    Nyckelord :Blockchain; Blockchain technology; Distributed ledger; Distributed ledger technology;

    Sammanfattning : Financial interactions on the capital market involve a wide variety of actors and processes. The requirement of security and privacy results to a large extent in non-shared and unintegrated databases among the different parties, leading to complex, time consuming and costly procedures. LÄS MER

  4. 4. Trust and verifiable computation for smart contracts in permissionless blockchains

    Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Dominik Harz; [2017]
    Nyckelord :blockchain; smart contract; trust; multi-agent system; verifiable computation; blockchain; smart contract; trust; multi-agent system; verifiable computation;

    Sammanfattning : Blockchains address trust through cryptography and consensus. Bitcoin is the first digital currency without trusted agents. Ethereum extends this technology by enabling agents on a blockchain, via smart contracts. However, a systemic trust model for smart contracts in blockchains is missing. LÄS MER

  5. 5. Predicting Bitcoin price fluctuation with Twitter sentiment analysis

    Kandidat-uppsats, KTH/Skolan för datavetenskap och kommunikation (CSC); KTH/Skolan för datavetenskap och kommunikation (CSC)

    Författare :Evita Stenqvist; Jacob Lönnö; [2017]
    Nyckelord :bitcoin; sentiment analysis; twitter data mining; prediction; cryptocurrency;

    Sammanfattning : Programmatically deriving sentiment has been the topic of many a thesis: it’s application in analyzing 140 character sentences, to that of 400-word Hemingway sentences; the methods ranging from naive rule based checks, to deeply layered neural networks. Unsurprisingly, sentiment analysis has been used to gain useful insight across industries, most notably in digital marketing and financial analysis. LÄS MER

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