🥉 Bronze Partner of BTC Prague 2025: 21Energy ⚡ 21energy is driving Bitcoin mining innovation by focusing on sustainable and efficient energy solutions. They help miners optimize energy use while securing the Bitcoin network. ⚡🟠 Meet them at Europe’s biggest Bitcoin conference and learn how they’re shaping the future of Bitcoin mining and energy!

CHARLES GUILLEMET ON STAGE 🚀 Charles Guillemet, CTO at Ledger, has been passionate about security since age 12. 🛡️ Joining Ledger in 2017 as Director of Security, he founded the Donjon team and became CTO in 2019, driving innovations like Ledger Flex and Ledger Stax. 🔐 Don’t miss Charles’s deep dive into Bitcoin security and innovation at BTC Prague!