<p>In this episode, Calle introduces Numopay, an open-source Bitcoin payment terminal that enables tap-to-pay experiences similar to fiat systems. We explore its technical foundations, privacy features, future developments, and the broader ecosystem of Bitcoin payment solutions.</p><p><strong>Takeaways:</strong></p><p>🔸Numopay&#39;s open-source payment terminal</p><p>🔸Tap to pay Bitcoin using NFC and QR codes</p><p>🔸Privacy features of Cashu’s eCash system</p><p>🔸Auto withdrawal to Lightning addresses for security</p><p>🔸Future developments including BIP321 and integrations</p><p><strong>Timestamps:</strong></p><p>(00:00) - Intro</p><p>(00:38) - What is Numopay?</p><p>(03:29) - Numopay’s UX, tap-to-pay &amp; offline NFC payments </p><p>(08:30) - Unified QR codes (BIP 321)</p><p>(10:21) - Auto withdrawal to lightning address</p><p>(13:51) - Evolution of Bitcoin payment infrastructure</p><p>(20:08) - What is the future of Numopay?</p><p>(22:47) - The Cashu ecosystem in 2026</p><p>(27:34) - Where should people be using Cashu systems today? </p><p>(30:48) - Privacy in Bitcoin</p><p>(34:34) - Future of Bitcoin development with AI</p><p>(42:06) - Closing thoughts</p><p><strong>Links: </strong></p><ul><li><p><a href="https://x.com/callebtc"><u>https://x.com/callebtc</u></a> </p></li><li><p><a href="https://x.com/NumoPayApp"><u>https://x.com/NumoPayApp</u></a> </p></li><li><p><a href="https://x.com/NumoPayApp/status/2026334747991916634"><u>https://x.com/NumoPayApp/status/2026334747991916634</u></a> </p></li></ul><p><strong>Stephan Livera links:</strong></p><ul><li><p>Follow me on X:<a href="https://twitter.com/stephanlivera"> <u>@stephanlivera</u></a></p></li><li><p><a href="https://plinkhq.com/i/1415720320"><u>Subscribe to the podcast</u></a></p></li><li><p><a href="https://stephanlivera.substack.com/"><u>Subscribe to Substack</u></a></p></li></ul>