A Single Price Auction with sealed bids using Solidity and FHEVM. Bids remain encrypted throughout the auction, ensuring privacy and fair price determination. The final price is set as the lowest winning bid required to sell the last token.
Privacy-preserving demo applications showcasing COTI's Multi-Party Computation (MPC) technology for confidential smart contracts
Private sealed-bid agricultural marketplace on Solana — farmers list products, buyers bid secretly using SHA-256 commitment hashes, smart contract picks the winner. Built with Rust/Anchor + MagicBlock PER architecture.
The same sealed-bid auction built twice: Solidity commit/reveal on the EVM versus privacy by construction in Daml on Canton, settled through the CIP-0056 token standard. A reference implementation plus a guide for Ethereum developers.
Sealed-bid auction with SHA-256 commitments and zero-knowledge range proofs built from scratch in Python + Flask.
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