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Citadel Dispatch
CD209: MATTHEW VUK - BARK - BITCOIN PAYMENTS ON ARK
ODELL • Investing, Business, Technology
ODELL • Investing, Business, Technology
Right. And in the long run, we want to see more people running independent ARC servers. We talk about how ARC and Spark they're…

Episode 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.techBuilt with Bark: https://second.tech/docs/built-with-barkMatthew on X: https://x.com/matthewvuk2Second on Nostr: https://primal.net/second EPISODE: 209BLOCK: 958911PRICE: 1529 sats per dollarmore info on the show: https://citadeldispatch.comlearn more about me: https://odell.xyzmonitor the situation: https://citadelwire.comten31: https://ten31.xyzopensats: https://opensats.org
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Transcript

Chapters

  • Matthew Vuk and the Bark project
  • What Bark is and how Ark wallets feel invisible
  • Lightning interoperability and unified invoices
  • Receiving funds with VTXOs and the Ark server
  • Trust model, atomic swaps, and wallet refreshes
  • Seed backups, cloud backup, and self custody
  • Fees, liquidity costs, and VTXO consolidation
  • Refresh windows, on chain rounds, and fee pressure
  • What happens if the Ark server goes offline
  • Privacy tradeoffs and what the server can see
  • Dust payments, denial of service, and chain weight
  • African payment gateways and infrastructure use cases
  • Cashu integration and proof of reserves with Bark
  • Bark versus Spark and Arkade wallet integration
  • Arkade, stablecoins, and Bitcoin only design
  • Closing thoughts and wallets to try

    • Clips

    • I think the most interesting thing about bark is that you might not even notice that you're using it. So bark is a…
    • Right. And in the long run, we want to see more people running independent ARC servers. We talk about how ARC and Spark they're…
    • Only on the lightning receive, the trust model is is that you are trusting the server to give you the VTXO. And the way that we…