ETHGlobal Cannes 2026 is a three-day, in-person Ethereum hackathon and builder event held in Cannes, France from April 3–5 at the Palace of Festivals and Congresses. The event brings together developers, creators, and innovators to build and experiment with Web3 technologies through hands-on hacking, workshops, and mentorship. Project themes include zero-knowledge, DeFi, L2s, privacy, interoperability, and more.