Onchain Dev City – Cannes takes place during Ethereum Community Conference week in Cannes, France and is organized by Capvise Group. The event is structured as a single-venue experience divided into themed zones for networking, live demonstrations, and onchain activities.

Participants receive a City Passport NFT at entry and complete tasks across different zones, earning points, badges, and onchain credentials. Attendance is curated and approval-based, with a focus on builders, founders, engineers, and ecosystem teams.