Francis Mars
Software Engineer
Extrovert builder focused on execution, UX, and community momentum. Known for practical decisions and systems thinking.
Compete in a Bitcoin-native game where sats are part of the gameplay.
Follow a project with global event traction and open-source roots.
Play, contribute, fund, or follow the community through your preferred channel.
Chain Duel is actively showcased at major Bitcoin and Lightning conferences worldwide.
Bitcoin 2026, Las Vegas ๐บ๐ธ
Bitcoin Ireland 2026 ๐ฎ๐ช
BTC Prague 2026 ๐จ๐ฟ
BTC HEL 2026 ๐ซ๐ฎ
Bitcoin Amsterdam 2026 ๐ณ๐ฑ
Lightning Summit, Tuscany 2023 ๐ฎ๐น
Bitcoin Miami 2023 ๐บ๐ธ
Le Paradigme Bitcoin 2023 ๐จ๐ญ
Power of Lightning Summit, Bitcoin Park ๐บ๐ธ
Baltic Honey Badger 2023 ๐ฑ๐ป
Bitcoin Azores 2023 ๐ต๐น
Bitcoin Amsterdam 2023 ๐ณ๐ฑ
Build the Builders, Tuscany 2023 ๐ฎ๐น
Plan B Forum 2023 ๐จ๐ญ
Adopting Bitcoin 2023 ๐ธ๐ป
Bitcoin Atlantis 2024, Madeira ๐ต๐น
Lightning Summit, Tuscany 2024 ๐ฎ๐น
Bitcoin Alive 2024 ๐ฆ๐บ
Bitcoin Prague 2024 ๐จ๐ฟ
Santorini Halving Party 2024 ๐ฌ๐ท
Bitcoin Film Fest Halving Party 2024, Warsaw ๐ต๐ฑ
Innovation Legacy Fest 2024, ๐ธ๐ป
Bitcoin Day 2024, Berlin ๐ฉ๐ช
Bitcoin Conference 2024, Nashville ๐บ๐ธ
Bitcoin Amsterdam 2024 ๐ณ๐ฑ
Plan B Forum 2024 ๐จ๐ญ
Satsconf 2024 ๐ง๐ท
Adopting Bitcoin 2024 ๐ธ๐ป
Bitcoin Las Vegas 2025 ๐บ๐ธ
Barcelona Cyphers Conference 2025 ๐ช๐ธ
Baltic Honey Badger 2025, Riga ๐ฑ๐ป
BTC Helsinki 2025 ๐ซ๐ฎ
BTC Balkans 2025 ๐ง๐ฌ
Bitcoin Amsterdam 2025 ๐ณ๐ฑ
Adopting Bitcoin 2025 ๐ธ๐ป
A fraction of the wagered sats is distributed on Lightning to the contributors of the project.
The architecture integrates multiple open-source projects and encourages the adoption of Bitcoin as a payment system.
We are two Portuguese friends and partners building Chain Duel. We care deeply about Bitcoin, community building, and practical adoption around the world.
Software Engineer
Extrovert builder focused on execution, UX, and community momentum. Known for practical decisions and systems thinking.
Designer
Creative lead shaping visual experience with relentless curiosity, craft, and a sharp eye for Bitcoin-native product storytelling.