Citadel Dispatch

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

NoGood joins to discuss his journey from childhood drawing and graphic design to developing one of Bitcoin’s most distinctive visual styles. We get into cypherpunk aesthetics, Japanese street culture, creating the Citadel Dispatch artwork, and what AI-generated images mean for artists, authenticity, and digital provenance. Then we discuss his limited edition self published book, building No Good Radio as a 24/7 Nostr-powered stream, accepting zaps, integrating open protocols into his website, an

Seth For Privacy joins to chat Radar, a new app that adds Bitcoin payments directly into Signal. We discuss forking Signal while keeping full account and chat compatibility, why they built on Signal’s network instead of Nostr or SimpleX, donating back to Signal Foundation, and how end-to-end encryption keeps payments invisible even to Signal. Then we go deep on the tech: Spark versus Ark trust models, unilateral exit, privacy tradeoffs, Lightning interoperability, seed backups tied to your Signa

Eric Sirion, Joscha, and Hermann join to discuss Fedimint being used in the wild in South Africa. We get into Bitcoin Ekasi’s live five-of-seven federation, running guardians on Start9, how Iroh removes DNS and networking pain, backups, uptime, and why federated custody can be a powerful middle ground between self custody and custodial wallets. We discuss Lightning gateways, Conduit wallet, MoneyBadger payments, eCash privacy, zero-fee internal transactions, on-chain UTXO consolidation, and why

Jason joins to discuss Tando, a Bitcoin payments app in Kenya that connects Lightning to M-PESA. We get into why M-PESA dominates Kenyan payments, how Tando lets Bitcoiners spend sats anywhere M-PESA is accepted, and why pragmatic fiat bridges help bootstrap real Bitcoin circular economies. Then we discuss phone numbers as financial identities, Lightning addresses for Kenyan phone numbers, KYC-free Bitcoin flows, merchant adoption, AI-assisted development, upcoming Kenya Bitcoin events, and the