Ghosh, Sarbajit2022-03-252022-03-252021-0747p.http://hdl.handle.net/10263/7320Dissertation under the supervision of Dr. Souradyuti Paul and Dr. Debrup ChakrabortyVoting is the most fundamental cornerstone in the context of representative democracy. With the advent of the internet technologies, various types of e-voting mechanisms have emerged. Building an e-voting system capable of performing as good as a traditional voting system is a very challenging task. On the positive side blockchain technology inherently provides critical security properties to design secure e-voting protocols. In this work, we have studied decentralized boardroom scale e-voting protocols designed by McCorry et al. in 2017. We have extended their work in multiple directions. Our protocol supports (A) arbitrary number of candidates1 ; (B)majority-base countings; (C) voting absentation (D) we also did a theoritical analysis of all the protocols.enBlockchainE-votingEthereumDecentralized e-votingBoardroom scale votingMajority countingBorda countingOther