# CD198: JUSTIN - FEDIMINT UPDATE

Page: https://stenobird.com/podcast/citadel-dispatch-1365851/cd198-justin-fedimint-update
Text version: https://stenobird.com/podcast/citadel-dispatch-1365851/cd198-justin-fedimint-update.md
Podcast: [Citadel Dispatch](https://stenobird.com/podcast/citadel-dispatch-1365851)
Published: 2026-04-07T21:16:07+00:00
Episode link: https://serve.podhome.fm/episodepage/CitadelDispatch/cd198-justin--fedimint-update
Audio file: https://serve.podhome.fm/episode/8029725b-0319-44b9-4793-08dc404e83a4/639111849376294835f7481641-a904-4d73-830a-40571b815f7dv1.mp3
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JSON: https://stenobird.com/v1/public/podcasts/citadel-dispatch-1365851/episodes/cd198-justin-fedimint-update
Duration seconds: 3217

## Resource

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 a…

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