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YU, HAIHAN (author)Since its emergence in 2008, blockchain technology has significantly expanded its scope, impacting various industries beyond its initial cryptocurrency applications. Its potential to enhance established practices is increasingly recognized, yet its application in the Architecture, Engineering, and Construction (AEC) industry has been relatively...master thesis 2024
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Dzelme, Rihards (author)We are at the beginning of the most significant societal change since the internet. We are transitioning from a 2-dimensional browser-based interaction to immersive 3-dimensional experiences. The metaverse is not a place or a destination but a state where technology and ecosystem are symbiotic. <br/>Digital Twins, interactive toolkits,...master thesis 2022
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Deshamudre, Rohan (author)Smart contracts allow for the collaboration and transaction processes between multiple parties/organisations to be automated and conducted in a neutral environment. In many situations these agreements are confidential and running a smart contract that contains private/sensitive information on a public blockchain network which is transparent and...bachelor thesis 2022
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Nanhekhan, Kevin (author)Smart contracts play an important role within the blockchain by ensuring that valid transactions are being recorded. However, there are critical concerns regarding the security and privacy of data within these blockchain applications. This research provides information on how the integration of the Trusted Platform Module can achieve more...bachelor thesis 2022
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Joosen, Floor (author)Privacy and security are important topics in data aggregation, as companies are aggregating large amounts of sensitive data from their users. The aim of this paper is to improve the security and privacy of data aggregation using smart contracts, homomorphic encryption and post-quantum encryption methods on Hyperledger Fabric. After a literature...bachelor thesis 2022
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Kahawati, Ali (author)Blockchain networks have acquired ongoing notoriety among associations that need to utilise the security perspectives that blockchain gives. Hyperledger Fabric (HF) is one of the most widely utilised distributed network technologies, most ordinarily applied in situations that require private information to be maintained safely and secretly. Use...bachelor thesis 2022
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Park, Chaiwon (author)A rise in the use of blockchain systems implies an increase in smart contract usage. Blockchain systems can easily be found these days, most notably in cryptocurrencies and financial management. Furthermore, the Internet of Things (IoT) is being developed with blockchain, since blockchain ensures trust in IoT data and adds great flexibility....bachelor thesis 2022
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Vega Sanchez, Julio (author)The increasing demand for sharing Internet of Things (IoT) increases demand for a secure way of sharing data. Smart contracts could provide this because of its distributed nature. Proxy re-encryption is an encryption (PRE) method that can be used to share information. In this paper, a secure data sharing scheme is presented that uses multi-hop...bachelor thesis 2022
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Bulină, Malina (author)Data outsourcing has become one of the primary means for preserving information as it passes the responsibility of storage management to the service provider. However, storing sensitive data remotely poses privacy threats for the data owners. Searchable encryption (SE) is a technique that allows performing search queries over encrypted data. The...bachelor thesis 2022
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Op den Orth, Sara (author)Within the context of the Ethereum blockchain protocol, reentrancy is a well-known and well-researched smart contract vulnerability. However, when considering GoQuorum, an Ethereum soft fork, barely any research discussing smart contract vulnerabilities exists. This report aims to partly fill this research gap by evaluating the reentrancy smart...bachelor thesis 2021
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Slager, Cheyenne (author)GoQuorum is an enterprise blockchain platform that supports smart contracts and allows for private transactions. Smart contracts enable automated payment while eliminating the need for third-party involvement. Previous attacks on smart contracts have already shown that existing vulnerabilities can lead to great financial losses. Yet, a study...bachelor thesis 2021
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Paulsen, Cathrine (author)Hyperledger Fabric is a permissioned enterprise blockchain allowing organizations to collaborate and automate processes via smart contracts. However, these contracts could contain security vulnerabilities leading to unexpected behavior or other negative consequences. Therefore, this study takes a closer look at three reported smart contract...bachelor thesis 2021
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Tjiam, Kevin (author)Smart contracts on Ethereum enable billions of dollars of value to be transacted in a decentralised, transparent and trustless environment. However, adversaries lie await in the Dark Forest, waiting to exploit any and all smart contract vulnerabilities in order to extract profits from unsuspecting victims in this new financial system. As the...bachelor thesis 2021
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Duveen, Sem (author)Large volumes of medical data (MD) are continuously generated by the healthcare domain. When sharing these data, issues arise regarding privacy and security. To solve these issues, a permissioned blockchain (BC) can be used, but since blockchains do not have access control (AC) as a default feature, the integration of an access control system ...bachelor thesis 2021
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Stepanov, Paul (author)The following paper aims to investigate what and how are the main privacy-preserving methods applied in the blockchain-based supply chain industry scenario, with a primary focus on the food sector. Recent developments, such as the exordium of cryptocurrencies to increment efficiency, are withal addressed. Overviews of key use cases in industry...bachelor thesis 2021
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El Coudi El Amrani, Nafie (author)Reentrancy attacks target smart contracts of Decentralized Finance systems that contain coding errors caused by developers. This type of attacks caused, in the past 5 years, the loss of over 400 million USD. Several countermeasures were developed that use patterns to detect reentrancy attacks on smart contracts before deployment on the Ethereum...bachelor thesis 2021
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López Cañizares, Janko (author)Recently, there is a growing need to address the investment gap in renewable energy by attracting non-institutional investors that have investment preferences better suited for the energy transition. Crowdfinancing is a promising alternative, as it allows for increased innovation, more sustainable development and reduced community risks and is...master thesis 2020
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Ribbens, Frank (author)The competiveness between businesses is continuously increasing and multi-sided platforms seek to reduce cost, increase efficiency and improve the quality of products and services. This research explored the role of blockchain technology as a driver for business model innovation of multi-sided platforms. This case study contributed to scientific...master thesis 2018
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van der Laan, Bjorn (author)Smart contracts are applications that are deployed and executed on a blockchain's decentralised infrastructure. Many smart contract applications rely on data that resides outside the blockchain. However, while traditional web applications can communicate with trustworthy data sources directly through the Internet, this is not possible for smart...master thesis 2018
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- Tsilimeni-Archangelidi, Anthi (author) master thesis 2018
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