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Physical Sciences and Mathematics

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Theses and Dissertations

2019

Blockchain

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E Ardhmja E Teknologjisë “Blockchain”, Leart Retkoceri Apr 2019

E Ardhmja E Teknologjisë “Blockchain”, Leart Retkoceri

Theses and Dissertations

Teknologjia blockchain është zbatuar për herë të parë në vitin 2009 dhe që nga atëherë interesi për këtë teknologji vetëm po rritet, arsyet për interesin e vazhdueshëm janë atributet e saj që ofrojnë siguri, anonimitet dhe integritet të të dhënave, pa përfshirjen e ndonjë pale të tretë që kontrollon transaksionet dhe prandaj po tërheq vëmendjen e të gjithëve e ardhmja e kësaj teknologjie. Institucionet financiare ishin të parat që i kushtuan vëmendje pasi me fjalë të thjeshta është një sistem i ri i pagesave. Përveç transaksioneve financiare, ka potencial për shumë fusha të ndryshme dhe po nxit interes edhe për …


A Blockchain-Based Anomalous Detection System For Internet Of Things Devices, Joshua K. Mosby Mar 2019

A Blockchain-Based Anomalous Detection System For Internet Of Things Devices, Joshua K. Mosby

Theses and Dissertations

Internet of Things devices are highly susceptible to attack, and owners often fail to realize they have been compromised. This thesis describes an anomalous-based intrusion detection system that operates directly on Internet of Things devices utilizing a custom-built Blockchain. In this approach, an agent on each node compares the node's behavior to that of its peers, generating an alert if they are behaving differently. An experiment is conducted to determine the effectiveness at detecting malware. Three different code samples simulating common malware are deployed against a testbed of 12 Raspberry Pi devices. Increasing numbers are infected until two-thirds of the …


Near Real-Time Rf-Dna Fingerprinting For Zigbee Devices Using Software Defined Radios, Frankie A. Cruz Mar 2019

Near Real-Time Rf-Dna Fingerprinting For Zigbee Devices Using Software Defined Radios, Frankie A. Cruz

Theses and Dissertations

Low-Rate Wireless Personal Area Network(s) (LR-WPAN) usage has increased as more consumers embrace Internet of Things (IoT) devices. ZigBee Physical Layer (PHY) is based on the Institute of Electrical and Electronics Engineers (IEEE) 802.15.4 specification designed to provide a low-cost, low-power, and low-complexity solution for Wireless Sensor Network(s) (WSN). The standard’s extended battery life and reliability makes ZigBee WSN a popular choice for home automation, transportation, traffic management, Industrial Control Systems (ICS), and cyber-physical systems. As robust and versatile as the standard is, ZigBee remains vulnerable to a myriad of common network attacks. Previous research involving Radio Frequency-Distinct Native Attribute …


Adapting Financial Technology Standards To Blockchain Platforms, Gabriel Bello Jan 2019

Adapting Financial Technology Standards To Blockchain Platforms, Gabriel Bello

Theses and Dissertations

Traditional payment systems have standards designed to keep transaction data secure, but blockchain systems are not in scope for such security standards. We compare the Payment Application Data Security Standard’s (PA-DSS) applicability towards transaction-supported blockchain platforms to test the standard’s applicability. By highlighting the differences in implementation on traditional and decentralized transaction platforms, we critique and adapt the standards to fit the decentralized model. In two case studies, we analyze the QTUM and Ethereum blockchain platforms’ industry compliance, as their payment platforms support transactions equivalent to that of applications governed by the PA-DSS. We determine QTUM’s and Ethereum’s capabilities to …