<p>Calle is the creator and lead maintainer of the Cashu open source protocol. Cashu enables users to easily use bitcoin in a private, offline, and programmable way. Calle is also the maintainer of Bitchat android, a cross platform meshnet app that enables users to chat and send bitcoin without an internet connection.<br /><br />Calle on Nostr: <a href="https://primal.net/calle" target="_blank">https://primal.net/calle</a><br />Calle on X: <a href="https://x.com/callebtc" target="_blank">https://x.com/callebtc</a><br />Bitchat: <a href="https://bitchat.free/" target="_blank">https://bitchat.free/</a><br />Cashu: <a href="https://cashu.space/" target="_blank">https://cashu.space/</a><br />Hackathon: <a href="https://nutnovember.org/" target="_blank">https://nutnovember.org/</a><br />AOS: <a href="https://andotherstuff.org/" target="_blank">https://andotherstuff.org/</a><br /><br />EPISODE: 184<br />BLOCK: 925030<br />PRICE: 1126 sats per dollar<br /><br /><p>(00:04:44) Bitchat: Bluetooth Mesh Without Internet</p><p>(00:06:21) Protests and Outages Drive Downloads: Nepal, Indonesia, Madagascar, Côte d’Ivoire, Jamaica</p><p>(00:09:51) Predicting Unrest from Download Spikes</p><p>(00:14:27) Adding Nostr Transport: Hyperlocal Mesh vs. Geohash Chats</p><p>(00:18:03) Geolocated Relay Selection</p><p>(00:23:56) Ephemeral Identity, UX, and Censorship Considerations</p><p>(00:28:37) Mesh Upgrades: Voice, Images, Files, Source Routing like Tor</p><p>(00:30:23) WiFi Aware Mesh and Background Operation to Boost Range and Uptime</p><p>(00:34:15) White Noise vs. Bitchat</p><p>(00:40:00) Protocols and Transports: Weaving White Noise, Cashu, and Bitchat</p><p>(00:43:48) Transport Neutral Design: Cashu and Nostr</p><p>(00:45:57) Cashu Progress: Shipping Libraries, Dev Ecosystem Growth</p><p>(00:51:18) We Need More Bitcoin Devs</p><p>(00:53:08) Integrating Cashu into BitChat: Wallet UX and Local Payments</p><p>(00:57:17) Running Mints: Spark, Ark, and Proof of Reserves/Liabilities</p><p>(01:03:40) Layered Scaling Without Consensus Changes: Ark, Spark, Cashu</p><p>(01:04:18) Bitcoin for Signal: Replacing MobileCoin with Cashu</p><p>(01:13:32) Why Cashu for Signal? Privacy and Scaling</p><p>(01:22:31) Mint Choice vs. Simplicity: Defaults, Lightning Interoperability, and UX</p><p>(01:32:21) Focus on Financial Privacy for the Masses, not Distractions</p><p>(01:37:11) Zcash Hype Dismissed; Call to Build on Bitcoin</p><p>(01:39:26) Nut November Hackathon and How to Contribute to Bitchat and Cashu</p><p>(01:45:06) Happy Thanksgiving</p><br /><br />more info on the show: <a href="https://citadeldispatch.com" target="_blank">https://citadeldispatch.com</a><br />learn more about me: <a href="https://odell.xyz" target="_blank">https://odell.xyz</a><br />nostr: <a href="https://primal.net/odell" target="_blank">https://primal.net/odell</a></p>
