62+ PRIVACY Web3 Hackathon Projects

Trustless & UX evolved document signing dApp!! We've built secure access-control & no censorship signing and providing gasless signing user experience app utilizing Web3 ecosystems.

This protocol proposes a novel method to mitigate Sandwich Attacks in DeFi using Uniswap V4's action hooks. By detecting potential malicious transactions at the contract layer, the protocol secures trades and improves fairness of DEXs.

RubyRing simplifies social interactions with a Web2 login, transitioning to Web3 via Biconomy's abstraction. Lens Protocol eases onboarding, while gem trading opens exclusive content within personalized rings. Future plans promise intriguing Lens gating mechanics.

zkDoctor: Privacy-first healthcare made possible through blockchain. Get diagnostics without revealing personal data, thanks to zero-knowledge proofs. We safeguard your medical history while offering transparent insurance options

A decentralized VPN via P2P node sharing with Timed Token Bound Access

Dononymous allows you to donate anonymously, and ensures your donation always aligns with your interests.

CypherSwap is a P2P coordination mechanism that replaces VC dependency with direct commerce between creators and collectors. Using custom Uniswap hooks, it validates milestones with NFTs, uses Lens for social vetting & integrates Lit for conditional signing + token-gated access.

StableHR is a cross-border automated payment system that allows efficient, low-cost, multi-currency transfers.

One stop DeFi from WhatsApp to serve LatAm to onboard the next billion humans to web3

With AddreNFTy, secure unique vanity Ethereum addresses via NFTs, then deploy. Stand out in the Ethereum crowd! Mint, trade, and deploy with a contract vanity address NFTs on Ethereum.

Simplify multi-chain markets/networks and collateralized lending

Privy Ramp: Seamlessly Embedding Wallet Functionality Within Your On-Ramp Experience