Welcome to the resource topic for 2023/1473
Title:
Cicada: A framework for private non-interactive on-chain auctions and voting
Authors: Noemi Glaeser, István András Seres, Michael Zhu, Joseph Bonneau
Abstract:Auction and voting schemes play a crucial role in the Web3 ecosystem. Yet currently deployed implementations either do not offer bid/vote privacy or require at least two rounds, hindering usability and security. We introduce Cicada, a general framework for using linearly homomorphic time-lock puzzles (HTLPs) to enable provably secure, non-interactive private auction and voting protocols. We instantiate our framework with an efficient new HTLP construction and novel packing techniques that enable succinct ballot correctness proofs independent of the number of candidates. We demonstrate the practicality of our approach by implementing our protocols for the Ethereum Virtual Machine (EVM).
ePrint: https://eprint.iacr.org/2023/1473
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