CD184: CALLE - BITCHAT AND CASHU

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.Calle on Nostr: https://primal.net/calleCalle on X: https://x.com/callebtcBitchat: https://bitchat.free/Cashu: https://cashu.space/Hackathon: https://nutnovember.org/AOS: https://andotherstuff.org/EPISODE: 184BLOCK: 925030PRICE: 1126 sats per dollar(00:04:44) Bitchat: Bluetooth Mesh Without Internet(00:06:21) Protests and Outages Drive Downloads: Nepal, Indonesia, Madagascar, Côte d’Ivoire, Jamaica(00:09:51) Predicting Unrest from Download Spikes(00:14:27) Adding Nostr Transport: Hyperlocal Mesh vs. Geohash Chats(00:18:03) Geolocated Relay Selection(00:23:56) Ephemeral Identity, UX, and Censorship Considerations(00:28:37) Mesh Upgrades: Voice, Images, Files, Source Routing like Tor(00:30:23) WiFi Aware Mesh and Background Operation to Boost Range and Uptime(00:34:15) White Noise vs. Bitchat(00:40:00) Protocols and Transports: Weaving White Noise, Cashu, and Bitchat(00:43:48) Transport Neutral Design: Cashu and Nostr(00:45:57) Cashu Progress: Shipping Libraries, Dev Ecosystem Growth(00:51:18) We Need More Bitcoin Devs(00:53:08) Integrating Cashu into BitChat: Wallet UX and Local Payments(00:57:17) Running Mints: Spark, Ark, and Proof of Reserves/Liabilities(01:03:40) Layered Scaling Without Consensus Changes: Ark, Spark, Cashu(01:04:18) Bitcoin for Signal: Replacing MobileCoin with Cashu(01:13:32) Why Cashu for Signal? Privacy and Scaling(01:22:31) Mint Choice vs. Simplicity: Defaults, Lightning Interoperability, and UX(01:32:21) Focus on Financial Privacy for the Masses, not Distractions(01:37:11) Zcash Hype Dismissed; Call to Build on Bitcoin(01:39:26) Nut November Hackathon and How to Contribute to Bitchat and Cashu(01:45:06) Happy Thanksgivingmore info on the show: https://citadeldispatch.comlearn more about me: https://odell.xyznostr: https://primal.net/odell

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