Francis Mars

Co-founder, Chain Duel & PubPay

Francis is an engineer passionate about building practical tools with real-world impact. His projects, like Chain Duel, a Lightning-powered videogame, and PubPay, a simple way to split payments or receive donations via Nostr, explore the intersection of technology and decentralized money. He focus on creating projects that are not only useful, but also open-source and accessible to the wider community. Beyond code, Francis contributes directly to Bitcoin adoption and education. You’ll often find him traveling to conferences and communities around the world, bringing a positive energy to Bitcoin, Lightning, and Nostr education. Whether it’s on stage, at the arcade machine, or in casual conversations, Francis helps make complex ideas tangible and exciting.

Developer Entrepreneur

Speaker’s stage appearances

Go to the complete program

Panel discussion

Mastering Nostr

In an era of shadow-banning and algorithmic suppression, your voice is only as strong as the platform that hosts it. Nostr is the first truly unkillable communication protocol. Discover how to move your social capital to a network that can’t be shut down by any billionaire or government. This is your guide to building a platform where you own your audience and your content is permanent, giving you total sovereignty over your digital identity.

Expo stage

Thu, 15:10