Web3 Hackathon Projects | Code Examples & Inspiration

Looking for blockchain Web3 blockchain project ideas? Our library of 3+ Web3 hackathon projects offers real-world implementations, code samples, and detailed case studies.

Showing 3 projects sponsored by 🧠 Ethereum Foundation — Best ERC.

🦭🦭 Seal Seal Seal 🦭🦭

A sybil-resistant gas sponsoring paymaster that is powered by backrunning!

JavaScriptdefi
🏆 4337 (🧠 Ethereum Foundation — Best ERC)
ETHGlobal Paris • 2024

Cross-ChAAin

Cross-ChAAin: Simplifying blockchain interactions. Swap ERC20s, deposit to L2, or convert tokens without ETH. Powered by our custom smart contract wallet and unique paymaster logic. #UX #Gasless

definftgamingprivacy
🏆 (❌ Polygon — 🥇 Best LxLy Bridge Extension)🏆 4337 (🧠 Ethereum Foundation — Best ERC)
ETHGlobal Paris • 2024

zkPaymaster

Introducing zkPaymaster: A Revolutionary Account Abstraction Paymaster utilising Sismo zero knowledge proofs to conditionally sponsor transactions for users.

Next.jsdefinftdao
🏆 4337 (🧠 Ethereum Foundation — Best ERC)🏆 (5️⃣ Sismo — Top 5)🏆 (🔑 Biconomy — Best Use)🏆 (💸 MakerDAO — 🥈 Best use of sDAI)
ETHGlobal Paris • 2024