{"podcast":{"title":"Citadel Dispatch","slug":"citadel-dispatch-1365851","podcast_index_feed_id":1365851,"rss_url":"https://serve.podhome.fm/rss/c90e609a-df1e-596a-bd5e-57bcc8aad6cc","website_url":"https://serve.podhome.fm/CitadelDispatch","image_url":"https://assets.podhome.fm/8029725b-0319-44b9-4793-08dc404e83a4/638475670208679180CITADELDISPATCH.jpeg","author":"ODELL","episode_count":252,"summary":"Actionable bitcoin and freedom tech discussion. Funded by our audience. No ads or sponsors.","last_synced_at":"2026-07-29T08:20:03.176625+00:00","page_url":"https://stenobird.com/podcast/citadel-dispatch-1365851"},"episode":{"title":"CD209: MATTHEW VUK - BARK - BITCOIN PAYMENTS ON ARK","slug":"cd209-matthew-vuk-bark-bitcoin-payments-on-ark","published_at":"2026-07-20T19:25:40+00:00","page_url":"https://stenobird.com/podcast/citadel-dispatch-1365851/cd209-matthew-vuk-bark-bitcoin-payments-on-ark","show_page_url":"https://stenobird.com/podcast/citadel-dispatch-1365851","url":"https://serve.podhome.fm/episodepage/CitadelDispatch/cd209-matthew-vuk--bark--bitcoin-payments-on-ark","audio_url":"https://serve.podhome.fm/episode/8029725b-0319-44b9-4793-08dc404e83a4/6392017186991057510d064d5b-1375-4c5a-845c-baf3817839b5.mp3","summary":"Matthew Vuk joins to discuss Bark, Second’s Bitcoin-only implementation of the Ark protocol. We get into how Ark wallets enable Lightning, on-chain, and instant Ark payments without managing channels or liquidity, plus VTXOs, delegated refreshes, unilateral exits, cloud backups, fees, privacy, and denial-of-service protections. Then we discuss running Ark servers, using Bark to power Cashu mints and African mobile-money gateways, proof of reserves, comparisons with Spark and Arkade, and Second’s mission to build open-source Bitcoin payment infrastructure. Second: https://second.tech Built with Bark: https://second.tech/docs/built-with-bark Matthew on X: https://x.com/matthewvuk2 Second on Nostr: https://primal.net/second EPISODE: 209 BLOCK: 958911 PRICE: 1529 sats per dollar more info on the show: https://citadeldispatch.com learn more about me: https://odell.xyz monitor the situation: https://citadelwire.com ten31: https://ten31.xyz opensats: https://opensats.org","meta_description":"Matthew Vuk joins to discuss Bark, Second’s Bitcoin-only implementation of the Ark protocol. We get into how Ark wallets enable Lightning, on-chain, and i…","key_points":[],"chapters":[],"topics":[],"duration_seconds":4410,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/citadel-dispatch-1365851/episodes/cd209-matthew-vuk-bark-bitcoin-payments-on-ark/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/citadel-dispatch-1365851/cd209-matthew-vuk-bark-bitcoin-payments-on-ark.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}