Comparative Analysis of Blockchain Technologies for Data Ownership and Smart Contract Negotiation

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dc.contributor.authorTAXIARCHIS, VAIOS
dc.contributor.authorKASANDA, MALAMA
dc.contributor.departmentChalmers tekniska högskola / Institutionen för data och informationstekniksv
dc.contributor.examinerSeger, Carl-Johan
dc.contributor.supervisorSchneider, Gerardo
dc.date.accessioned2019-10-08T09:26:33Z
dc.date.available2019-10-08T09:26:33Z
dc.date.issued2019sv
dc.date.submitted2019
dc.description.abstractBlockchain technologies have gained significant popularity in the recent past. They are distributed ledgers that record all the transactions on the network and allows parties who do not trust each other to transact. The parties collaborate in its maintenance. The Blockchain’s distributed nature connotes multiple ethical and privacy concerns, such as unauthorized access and control of decentralized applications. In this thesis, we first survey the state of the art, focusing on a comparative analysis of public and private implementations of distributed ledgers. Additionally, we present a proof of concept (PoC) implementation on the access control to certain parts of smart contracts as well as investigate the possibility of negotiating the terms of a smart contract. We make use of the commercial real estate leasing operations as a case study. We conduct a comprehensive evaluation of our PoC. This evaluation demonstrates a trade-off in the choice of blockchain technology for building distributed applications. Drawing from the process flow of paper based contract negotiations, we design a library mechanism that can be used to negotiate contract terms in a bilateral fashion.sv
dc.identifier.coursecodeDATX05sv
dc.identifier.urihttps://hdl.handle.net/20.500.12380/300413
dc.language.isoengsv
dc.setspec.uppsokTechnology
dc.subjectblockchainsv
dc.subjectsmart contractsv
dc.subjectaccess controlsv
dc.subjectcommercial real estatesv
dc.subjectEthereumsv
dc.subjectHyperledger Fabricsv
dc.titleComparative Analysis of Blockchain Technologies for Data Ownership and Smart Contract Negotiationsv
dc.type.degreeExamensarbete för masterexamensv
dc.type.uppsokH
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