19+ NFT Web3 Hackathon Projects

Make DeFi great again and don't let the memes rug you Make DeFi great again and don't let the memes rug you

Clarity is a payment gateway designed to tackle the multibillion-dollar problem of fake reviews by enabling seamless, verifiable on-chain payments and reviews.

Built a decentralized, autonomous disaster response system using AI agents, drones, and blockchain to detect disasters and coordinate responses without relying on traditional infrastructure.

Chat GPT use twitter posts and onchain data to trustless manage funds via Intell SGX, XMTP and Smart Contract.

Our world is filled with fake photos—AI-generated or edited. Miracam aims to Make Image Real Again (MIRA). We mint all shots as NFTs with hardware-generated signatures to prove authenticity. Private shots are encrypted and wallet-controlled, preserving privacy on-chain.

Perkly is a rewards platform that lets users earn Web3 rewards while shopping on Web2. Merchants reward customers with tokens and NFTs, featuring lucky draws, dynamic multipliers, Flash Fridays, and real-time notifications—bridging traditional shopping with Web3 innovation.

DegenOS is a decentralized OS built on Cartesi Rollups & Avail DA, featuring wallet/email login & six Web3 apps: token swaps, block explorer, DeFi metrics, social lookup, token risk analysis & recipe sharing. A unified platform for essential Web3 services.