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Blockchain and Electronic Voting: An Electronic Voting Hyperledger Fabric System based on the Portuguese electoral voting system
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| 1.78 MB | Adobe PDF |
Autores
Resumo(s)
Blockchain technology, with its decentralized and secure nature, has emerged as a promising
solution for enhancing the integrity and transparency of Electronic Voting systems. This
thesis explores the application of blockchain in Electronic Voting, specifically within the
context of the Portuguese electoral system. It begins with a comprehensive overview of
blockchain technology, including its core features such as decentralization, immutability, and
transparency, as well as consensus protocols like Proof of Work and Proof of Stake. These
foundational elements underscore blockchain's potential to revolutionize Electronic Voting by
addressing existing challenges such as security vulnerabilities, susceptibility to fraud, and
lack of transparency. The core of this work involves the design and implementation of a
blockchain-based Electronic Voting system using Hyperledger Fabric, a permissioned
blockchain framework tailored to the specific requirements of the Portuguese electoral
process. The system ensures voter privacy, vote integrity, and transparency through smart
contracts that automate and secure voting procedures, from voter identification to vote
tallying. Biometric data integration further enhances voter authentication, reducing the risk of
fraud. Despite promising results, challenges such as scalability, secure voter devices, and
balancing transparency with privacy remain. Overall, the findings suggest that blockchainbased Electronic Voting systems have the potential to make elections more secure,
transparent, and reliable, offering valuable insights for future research and development in
this field.
Descrição
Dissertation presented as the partial requirement for obtaining a Master's degree in Data Science and Advanced Analytics, specialization in Data Science
Palavras-chave
Blockchain Electronic Voting Hyperledger Fabric Smart Contracts Chaincode