17+ PRIVACY Web3 Hackathon Projects

DeDe is a trustless scaling infrastructure for e-commerce & delivery platforms. Think of us as an L2 for deliveries like Amazon, DHL, FedEx, etc. We provide trustless deliveries while maintaining integrity and security.

TapTrust redefines event experiences with NFC & Ethereum's Account Abstraction, offering a unique, etherless way to engage. Each tap with your NFC chip signs transactions & maintains privacy with a fresh, anonymous address.

Networking app with random coffee chats and on-chain reputation building. Everything on-chain, from environments to proof of meetings. Casual endorsements of people's interests., fun, no crypto slang. Matching algorithm refines connections, considers goals, penalizes no-shows.

Inspired by the likes of Pokemon Go, users explore their neighbourhoods, looking for "PixelPals" to battle and catch. Collect PixelPals and trade them (cross-chain) on our decentralised second-hand marketplace.

A Stealth Address -based privacy enabling micro rollup for all EVM blockchains.

Elevate Your Events – Seamlessly Managed, Unforgettable Experiences Await!

an onchain oura ring data offramp for storing your health data privately while sharing your readiness score with frens

Guardians of the Paymasters is a self custodial API that protects dApps paymasters from unintended usage by providing the most comprehensive safeguard policy suite.

This project aims to provably verify assets that users claim to have without revealing their Ethereum addresses, thus enhancing privacy and security in digital asset verification.

Proof of Friend offers IRL experiences for the chronically online, using randomized events, AI-driven goals, and friend staking to make social interactions exciting and secure.

Introducing a minimal multisig safe module and guard for seamless multichain operation. Using Layer Zero, it generates a multichain safe and synchronizes states across chains, ensuring state-drifting resistance and enhancing cross-chain multisig reliability.

AceDen is a peer-to-peer betting platform where users wager on whether cryptocurrency prices will rise or fall. Place bets on Bitcoin/Ethereum/Solana, track real-time outcomes, and climb leaderboards in an engaging, social experience.