21+ Solidity DEFI Web3 Hackathon Projects

Product Tech: Empowering everyone to invest in and profit from emerging products and startups through a pioneering, decentralized, and permissionless prediction market.

Secretfans lets you be a top fan of content creators and download their exclusive NFTs and make money from the subscriptions share market

Swirl is a unique social platform revolutionizing user access by integrating Worldcoin for secure logins, preventing manipulation by bot accounts. Exclusive Metamask connectivity ensures faster and safer transactions, setting us apart from other social platforms."

A blockchain-based web application that connects expert mentors with mentees across various subjects, facilitating mentorship opportunities and knowledge exchange.

The P2P lending protocol that enables lending USDC to real-world businesses using their public grants as collateral.

Allow verified humans to perform encrypted trades and retain privacy from any source chain.

Transforming real estate investment! 🏘️ 0xEstate introduces fractional ownership through blockchain. Trade real estate tokens easily, ensuring transparency and liquidity. Welcome to the future of investing! #RealEstate #Blockchain

WLD-ETH Swap: A beginner-friendly DeFi app connecting Worldcoin newcomers with ETH stakers for mutually beneficial token swaps. Leveraging WorldID for secure authentication and Chainlink for accurate exchange rates, it offers an intuitive introduction to DeFi.

Traders can open perpetual positions on Base, using liquidity on Arbitrum

A v4 hook generator leveraging generative AI where users can select a pair, introduce a prompt, get the hook generated, deployed and verified in a couple clicks.

**GnomesAndKnights** is a blockchain board game using NFC wallets and Apecoin for secure, immersive play. Convert Apecoin to in-game Aura, enjoy randomized items, dynamic duels, and team interactions. Encrypted smart contracts ensure fairness and transparency.

This project enables sybil free cross-chain atomic swaps using Uniswap V4s before and after swap hooks and layer zero's OFT contracts.