25+ DEFI Web3 Hackathon Projects

By using the Arachne Protocol, your NFTs can hold assets and interact with dApps on any EVM chain. This means you no longer have to worry about the specific chain when using NFTs, introducing a new way of Chain Abstraction. It was developed using ERC6551 and the Lit Protocol.

Radyal brings cross-chain DeFi to the masses, by allowing users to farm advanced strategies from any chain, on anychain.

Efficient open-source subscription management app featuring a React plugin. Integrate a subscription button for modal payments across apps. Streamlined UX for admins and users, ensuring smooth subscription handling.

Flexible and automated payroll streaming service based on Cowswap's programmatic orders.

Multi-chain referral platform empowering chains and DAOs to expand via user-driven referral programs and network growth funding.

MonaLizard redefines Web3 marketing by transforming user engagement from mere rewards to a community-driven experience. Its NFT puzzle game and chatrooms foster lasting connections and real-time interaction, transcending traditional reward systems.

Short and Long term P2P car park lending and renting, long-term means User A can use User B's parking spot at no cost. In return, User A allows User B to use their equity as security for a loan.

Grayskull Guardians is a solo staking protocol with sybil resistance via World Coin, anti-cheat contracts powered by EAS for secure, equitable solo staking and MEV smoothing on Arbitrum.

Super Easy SWAP app, even your mom can use! Chat Swap is an intent-based DEX aggregator app, using a natural language prompt interface while not giving up on the best swap pricing (via 1inch Fusion(aggregator) API)

'Play with Frens': A Web3 gaming app where you challenge your frens. Bet, play, and bond in a secure and engaging experience.

Park, the base of any good hyperstructure. PoC AMM merging governance with liquidity provision on Scroll. It creates greater protocol alignment and has built-in democratic (through Worldcoin Proof of Humanity) governance features to ensure long-term viability.

Web Tree is an on-chain educational game and social experiment that allows players to experience the concepts of the 'tragedy of the commons' and 'environmental sustainability' through a decision-making game with generative storylines (AI), game theory, and secret actions (ZKP)