DeFROST ; Poseidon

Description

DeFROST voting scheme, which is proposed for use in Nouns DAO governance. The scheme is designed to meet all the requirements for private voting in Nouns DAO, while also allowing for a similar user experience to the current public voting system. The scheme uses distributed key generation and threshold homomorphic encryption to encrypt ballots, while keeping the voting account public. One of the key advantages of the DeFROST scheme is that it supports vote delegation and smart contract wallets, which are essential features of Nouns DAO governance. The encrypted ballots can be signed by the smart contract wallet, allowing for a seamless voting experience without introducing any user friction. It includes a comparison of the DeFROST scheme with other privacy-preserving voting schemes, highlighting the advantages of DeFROST in terms of scalability, avoiding centralized dependencies, and not requiring a per-prop trusted setup. Overall, the proposed DeFROST scheme offers a secure and efficient way to support private voting in Nouns DAO governance, while also meeting all the necessary requirements for the DAO's voting system.

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