63+ PRIVACY Web3 Hackathon Projects

Keyless AI is an AI-powered assistant that simplifies blockchain interactions. Users can perform token swaps, staking, and transfers using natural language. It leverages multi-agent systems to optimize transactions securely, integrating with smart accounts for seamless execution.

An application leveraging FHE encryption for secure data protection, with decentralized file storage powered by Walrus.

Super Tours is a cutting-edge mobile dapp revolutionizing tourism with AR and user-generated content. Instantly Create AI-powered routes of your favorite cities in 5 languages, explore immersive self-guided tours, and monetize your creativity through blockchain. All in one dapp!

Lumina is an AI-powered mental health app combining therapy, journaling, & dreamsculpting. Log life events, explore dream visuals, & interact with 24/7 AI therapists. Earn rewards from daily prompts. Share encrypted data to connect with others on similar journeys.

We use Marlin's TEE's to run inference that protects users PII from LLM providers.

Kosma is a decentralized social media platform that empowers content creators with true ownership through NFTs, ad-free privacy, and innovative monetization using background soft mining—all built on blockchain to ensure user data remains private and secure.

Unsecured SMB lending focused on community ownership and transparency.

Lifomation is a smart platform that organizes and secures your important documents in one place. Powered by AI for seamless categorization and Walrus for decentralized, blockchain-backed storage, we ensure your information is always accessible, safe, and ready when needed.

At Quark, we revolutionize asset management with omnichain messaging. QuarkVaults lets users deposit assets into managed vaults, each secured by policy-driven smart contracts, ensuring a secure and compliant experience across chains.

Created a search engine of 10M+ free 3D models with AR Experience. Users can mint models as NFTs with metadata of artist. Integrated Coinbase AI wallet that reward user based on prompts. Features an AR experience like Minecraft Earth to showcase that nft

A decentralized NFT real estate marketplace on Ethereum and Polygon. Users can buy, sell, and transfer property tokens with metadata on IPFS. Features escrow services, multi-party interactions (buyers, sellers, lenders), and low gas fees on Polygon.

Zend It ensures secure blockchain transactions by allowing users to verify details before signing, especially with Ledger hardware wallets. Using ZKPs and building on Polygon, Zend It offers transparent, risk-free interactions with smart contracts, putting users in full control.