The development of digital technology provides opportunities to improve the efficiency of Student General Elections (PEMIRA) in higher education. The implementation of PEMIRA at UIN Sjech M. Djamil Djambek Bukittinggi, which still uses paper-based media, faces several challenges, including voter queues, printing costs, time-consuming vote recapitulation, and the potential for multiple voting. This condition indicates the need for a digital voting system with an authentication mechanism to ensure that each voter can cast only one vote. This study aims to produce a web-based E-Voting system design using a One-Time Token (OTT) consisting of a unique eight-character alphanumeric code assigned to each voter. The system was developed using the Research and Development (R&D) method with the System Development Life Cycle (SDLC) Waterfall model, consisting of communication, planning, modeling, construction, and deployment. The system utilizes Next.js, PostgreSQL through Supabase, and Vercel as the deployment platform. Product feasibility was evaluated through validity, practicality, and effectiveness tests. Validity involved one expert using an 11-item instrument analyzed with Aiken's V, practicality was assessed by five PEMIRA committee practitioners, while effectiveness was tested with nine student users using Cohen's Kappa coefficient. OTT functionality was tested through Black-Box Testing. The results obtained an Aiken's V value of 0.91 (valid), practicality of 98% (very practical), and effectiveness of 0.857 (very high). Functional testing showed that all scenarios operated as designed, including rejecting previously used tokens. The system can serve as an alternative for PEMIRA digitalization in higher education, although implementation at different institutions requires testing with more diverse numbers of users and conditions.
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