REYYI HARSHITHA, AMPOLU DURGA,VARANASI SAMATHA,SANAPALA APPALANAIDU,MR.S. BHASKARA RAO 03 03 Traditional election systems using paper ballots or electronic voting machines face challenges including counting errors tampering security concerns and limited accessibility This paper proposes a blockchainbased online voting system designed to address these shortcomings through decentralized and immutable vote recording The application leverages blockchain technology to create a transparent tamperresistant and auditable platform for conducting elections Smart contracts enforce voting rules including onevotepervoter constraints and voter eligibility verification The system implements secure voter registration OTPbased authentication encrypted vote casting and blockchainbased vote storage where each vote is cryptographically linked to previous records Realtime vote counting eliminates manual tallying delays Evaluation demonstrates 100 vote integrity zero tampering instances 997 system availability and 73 reduction in result declaration time compared to traditional systems while preserving complete voter anonymity Copyright (c) Journal of Science Engineering Technology and Management Science. All rights reserved 2026