Abstract
Voters play an important role in end-to-end verifiable e-voting schemes because the schemes encourage them to carry out several security-critical tasks by themselves. If the voters cannot complete the tasks by themselves or experience bad usability while executing them, vote manipulations by either a faulty software or deliberate attacks cannot be detected which renders verification useless. Therefore, the scheme’s usability is of crucial importance and demands an early investigation of human factors when implementing e-voting systems. In this paper, we give an overview of user study design challenges when investigating end-to-end verifiable e-voting schemes. We provide guidelines that address these challenges and support researchers in the design of user studies. The guidelines are based on the literature and the authors’ experiences.
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Notes
- 1.
We use the subdivision for usability investigation purposes. Note, that the components alone do not replace end-to-end verifiability [14].
- 2.
A scheme for delegation has been proposed [17] whereby the complexity is shifted towards vote casting indicating that even if delegation is possible, human factors are still important.
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Acknowledgements
This work has been co-funded by the DFG as part of project “Area D.1” within the RTG 2050 “Privacy and Trust for Mobile Users” and by the Horst Görtz Foundation. We acknowledge support from the Luxembourg National Research Fund (FNR) for funding, in particular Marie-Laure Zollinger was supported by the FNR-INTER-VoteVerif project and FNR-INTER-SeVoTe project.
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Marky, K., Zollinger, ML., Funk, M., Ryan, P.Y.A., Mühlhäuser, M. (2020). How to Assess the Usability Metrics of E-Voting Schemes. In: Bracciali, A., Clark, J., Pintore, F., Rønne, P., Sala, M. (eds) Financial Cryptography and Data Security. FC 2019. Lecture Notes in Computer Science(), vol 11599. Springer, Cham. https://doi.org/10.1007/978-3-030-43725-1_18
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