The 72-hour event in Shanghai will host 100 selected developers to build Ethereum-based projects, with mentorship and potential funding opportunities.
The ETHShanghai Hackathon 2025, scheduled for October 18–21, will bring together 100 developers chosen from over 500 applicants to work on 30–40 projects across AI × Ethereum, DeFi × Infrastructure, and public goods × open-source development. The 72-hour event will be held on-site in Shanghai, culminating in presentations at the ETHShanghai summit before investors, funds, and ecosystem partners. Participants will gain mentorship, technical training, networking, and potential funding or incubation, aiming to advance scalability, user experience, and financial infrastructure on Ethereum.