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CD198: JUSTIN - FEDIMINT UPDATE episode artwork

Apr 7, 2026 53 min

CD198: JUSTIN - FEDIMINT UPDATE

from Citadel Dispatch Hosted by ODELL

Justin, a prolific contributor to the Fedimint open source project, returns for a six month update. Fedimint is an open protocol providing easy to use, private, programmable, and offline bitcoin payments using bitcoin powered federated chaumian ecash. Justin on Nostr: https://primal.net/p/nprofile1qqspg8fq209jj56663d2n6r9ehkyjffy7rkqqejfdwvtwzva426avkqxtxxuv Fedimint Website: https://fedimint.org/ Fedimint on X: https://x.com/fedimint The Ecash App: https://ecash.love/ Fedimint Observer: https://observer.fedimint.org/ Bitcoin Mints: https://bitcoinmints.com/ Iroh: https://www.iroh.computer/ EPISODE: 198 BLOCK: 944073 PRICE: 1466 sats per dollar (02:06) Justin on Fedimint updates since last visit (03:20) Ecash App vision as a Fedimint reference client (04:18) Wallet features: on-chain, lightning, ecash, and nostr integrations (06:01) Fedimint 101: federations, guardians, and multisig trust model (07:55) Uptime vs. rug risk and Byzantine fault tolerance in practice (09:18) Making guardianship easier and raising operational reliability (10:14) Ecash App status, platforms, backups via nostr, and seed UX (13:16) Mint/federation selection challenges and web-of-trust ideas (15:39) Observability tools and on-chain vs. Lightning differences (16:20) Running a Guardian on Start9: setup and backups (19:39) Networking with Iroh: DNS removal, privacy, and Tor/VPN plans (23:14) Lightning gateways: roles, trust, liquidity, and multi-federation ops (27:59) Gateway UX: multiple gateways, auto-switching, and agents help (29:01) Gateway pairing and funding flows for Start9 deployments (32:24) Guardians on Android phones: why, how, and trade-offs (37:30) Blockchain backends: Bitcoin Core vs. Esplora defaults (39:30) Mobile data, heat, and practical considerations (39:34) Agentic payments and why eCash fits well for agents (43:40) Local communities, AI models, and community services vision (46:06) Real-world adoption, roadmap, modules, and BOLT12 plans (48:50) BOLT12 receive-side challenges and trust model nuances (50:26) Pragmatic trust, permissioned gateways, and next steps (50:37) How listeners can help and contact info (51:18) Start9 v0.4.0 update chatter and flashing war stories (53:01) Closing thoughts, progress praise, and sign-off more info on the show: https://citadeldispatch.com learn more about me: https://odell.xyz monitor the situation: https://citadelwire.com

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CD198: JUSTIN - FEDIMINT UPDATE

0:00 53:37

Chapters

  1. 2:06 Justin on Fedimint updates since last visit
  2. 3:20 Ecash App vision as a Fedimint reference client
  3. 4:18 Wallet features: on-chain, lightning, ecash, and nostr integrations
  4. 6:01 Fedimint 101: federations, guardians, and multisig trust model
  5. 7:55 Uptime vs. rug risk and Byzantine fault tolerance in practice
  6. 9:18 Making guardianship easier and raising operational reliability
  7. 10:14 Ecash App status, platforms, backups via nostr, and seed UX
  8. 13:16 Mint/federation selection challenges and web-of-trust ideas
  9. 15:39 Observability tools and on-chain vs. Lightning differences
  10. 16:20 Running a Guardian on Start9: setup and backups
  11. 19:39 Networking with Iroh: DNS removal, privacy, and Tor/VPN plans
  12. 23:14 Lightning gateways: roles, trust, liquidity, and multi-federation ops
  13. 27:59 Gateway UX: multiple gateways, auto-switching, and agents help
  14. 29:01 Gateway pairing and funding flows for Start9 deployments
  15. 32:24 Guardians on Android phones: why, how, and trade-offs
  16. 37:30 Blockchain backends: Bitcoin Core vs. Esplora defaults
  17. 39:30 Mobile data, heat, and practical considerations
  18. 39:34 Agentic payments and why eCash fits well for agents
  19. 43:40 Local communities, AI models, and community services vision
  20. 46:06 Real-world adoption, roadmap, modules, and BOLT12 plans
  21. 48:50 BOLT12 receive-side challenges and trust model nuances
  22. 50:26 Pragmatic trust, permissioned gateways, and next steps
  23. 50:37 How listeners can help and contact info
  24. 51:18 Start9 v0.4.0 update chatter and flashing war stories
  25. 53:01 Closing thoughts, progress praise, and sign-off

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This episode is 53 minutes long.

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This episode was published on April 7, 2026.

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