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[SBS News] Is it possible in the era of blockchain voting?

Updated: Nov 25, 2022

[Source] SBS News 03-07-2022 09:34 article

Unlike the political world, academia is trying to keep up with the trend of the times. Recently, Professor Oh Hyun-ok's research team at Hanyang University developed a blockchain voting system that further strengthens the secrecy of voting, and even released a mobile app (APP) for voters. Enlarge Image "What's the hardest part about developing blockchain-based online voting?"

Enlarging the image “If we want to safely vote on a public blockchain, it is not a solution just because we only used a blockchain. Not only is this secret ballot guaranteed, but I also need to be able to confirm that the contents of my vote have actually gone into the counting and been reflected in this counting result, right? I have to prevent the act of buying tickets. This is the difficult part of development." “When entering the public blockchain, the voting information is encrypted and entered. Even if it is encrypted, it must be confirmed that it is properly encrypted. For example, it is not possible to guarantee that I voted for a person properly. It is called 'Zero-Knowledge Proof'. Using this technology, 'a person voted once and encrypted it' is attached to the voting data. It's for people to check.

SBS Future Team Reporter Lee Seung-jae

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