Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 382 for “"Blockchain"”.
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Resolving blockchain trilemmas
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Authentication Based on Blockchain
… concern for the users.</p> <p>In this thesis, Blockchain and the e-pass application are studied and alternative model for authentication, authorization and accounting is proposed based on Ethereum Blockchain. Furthermore, a prototype is developed which enables users to consume online services …
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Cryptographic Innovations in Blockchain
Blockchain is a disruptive technology that has gained prominence in recent years, after Satoshi Nakamoto published the well-known paper that gave birth to Bitcoin. One of the reasons blockchains are attractive is the use of cryptography, which is utilised in particular to ensure scalability, …
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Blockchain-Based E-Voting System
Research on e-voting systems and the blockchain technology. Evaluation on the blockchain as a service for implementing an e-voting system. Propose a novel design and implementation based on blockchain.
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Blockchain: Are Managers Linked In?
Blockchain is a transformational technology with capabilities that can enhance business processes across many industries. To date, adoption of this technology has found resistance due to challenges that have surfaced within technological, organizational, and environmental areas. This study …
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ON SCALABILITY OF BLOCKCHAIN TECHNOLOGIES
… we explore how to improve scalability of blockchains while maintaining their fundamental premise of decentralization. Scalable blockchains are capable of delivering a target throughput and latency in the presence of increasing workload. To this end, first we present Bitcoin-NG, a new …
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Agile methodologies and blockchain development
The blockchain is one of the most interesting technologies developed in recent years. Blockchain is a ledger, a register, a decentralized and public shared database, reachable by accessing a peer-to-peer network. Each unit of the register represents a block. The blocks are linked together in the …
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Analysis and design of blockchain systems
… of Bitcoin in 2008, cryptocurrencies and the blockchain systems they are built upon have seen parabolic growth in almost every aspect of human culture. As blockchain technology continues to evolve, the need for rigorous analysis and thoughtful design of blockchain protocols has become …
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Privacy-Preserving Application of Blockchain Technologies
The blockchain rush and its rapid adoption in our daily life raise new questions and concerns regarding user and data privacy; An important topic that is typically overlooked due to the lack of proper standards and procedures in an under-regulated technology. Identity theft and data breaches are …
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Using Blockchain for Digital Card Game
… the popularity of both online card games and blockchain technology have grown exponentially. While combining these two does not immediately seem like an obvious idea, they in fact complement each other nicely. Blockchain allows for players to actually own their cards, in a way that was unheard …
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Blockchain for Computational Integrity and Privacy
<p>This study proposes a blockchain based system that utilizes fully homomorphic encryption to provide security of data in use as well as computational integrity. This is achieved by leveraging the attributes of blockchain which provides availability and data integrity combined with homomorphic …
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Invisible Ink : blockchain for data privacy
… user-sensitive data. It uses the Bitcoin blockchain to keep a trust-less audit trail for data interactions and to manage access to user data. Our platform offers advantages to both users and service providers. The user enjoys the heightened transparency, control, and security of their …
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Permissioned blockchain in a supply chain problem
… importance of considering technologies such as blockchain to identify an information improvement process in a supply chain problem. We propose an extension of the paper ”Economics of Permissioned Blockchain Adoption” (Iyengar et al. 2020) where the number of consumers is discrete. This extension …
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An analysis of the bitcoin blockchain cryptography
… frequency analyses were conducted on the blockchain in an attempt to narrow down and identify related anomalies. In order to identify how this might have been done in practice, the SHA-256 algorithm was analysed in the context of Bitcoin mining. Analyses show that the timestamp could …
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Secure Aircraft Maintenance Records Using Blockchain (SAMR)
… in the aviation industry through the use of blockchain technology. A physical aircraft maintenance logbook is susceptible to being lost or destroyed. A nonexistent aircraft maintenance logbook hurts the confidence in integrity and reputation of the aircraft. Furthermore, fraud can occur …
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Evaluating Blockchain Networks through Real-Time Simulation
… practical and effective security solutions. Blockchain-empowered platforms and technologies have been proposed to address aspects of this challenge. In order to realize a practical Blockchain deployment for IoT, there is a need for a testing and evaluation platform for the performance and …
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