{"podcast":{"title":"21 in 21","slug":"21-in-21-7274084","podcast_index_feed_id":7274084,"rss_url":"https://feeds.fountain.fm/225QxxaXdKbEEjEXSha3","website_url":"https://presidiobitcoin.substack.com/s/21-in-21","image_url":"https://feeds.fountain.fm/225QxxaXdKbEEjEXSha3/files/COVER_ART---DEFAULT---4727f3af-abd6-40e2-a3a8-34e875d55259.jpg","author":"Hosted by Haley Berkoe","episode_count":35,"summary":"Haley Berkoe asks some of the biggest names in bitcoin and Silicon Valley 21 questions in 21 minutes, from the personalities you know and love to tech’s unsung heroes. A new episode drops when someone stops by Presidio Bitcoin. Reach out if you are or will be in the area and are interested in being on the show. presidiobitcoin.substack.com","last_synced_at":null,"page_url":"https://stenobird.com/podcast/21-in-21-7274084"},"episode":{"title":"21 in 21: Calle on Cashu, Clawi, and AI Agents","slug":"21-in-21-calle-on-cashu-clawi-and-ai-agents","published_at":"2026-05-21T16:45:19+00:00","page_url":"https://stenobird.com/podcast/21-in-21-7274084/21-in-21-calle-on-cashu-clawi-and-ai-agents","show_page_url":"https://stenobird.com/podcast/21-in-21-7274084","url":"https://feeds.fountain.fm/225QxxaXdKbEEjEXSha3/items/I2Xvkk87ZtNC92yn34JB/files/AUDIO---DEFAULT---1ca75ac9-eca9-46ff-acd1-226194266709.mp3","audio_url":"https://feeds.fountain.fm/225QxxaXdKbEEjEXSha3/items/I2Xvkk87ZtNC92yn34JB/files/AUDIO---DEFAULT---1ca75ac9-eca9-46ff-acd1-226194266709.mp3","summary":"On this episode of 21 in 21, Calle discusses his work on Cashu, Bitchat, and Clawi. He explores how AI agents could use bitcoin-native payments and why privacy-preserving infrastructure matters in an increasingly agentic internet. Calle also reflects on his journey down the bitcoin rabbit hole, from early work on Lightning infrastructure to building eCash systems, and shares his perspective on the evolution of AI agents. https://x.com/callebtc https://clawi.ai/ https://bitchat.free/ https://cashu.space/","meta_description":"On this episode of 21 in 21, Calle discusses his work on Cashu, Bitchat, and Clawi. He explores how AI agents could use bitcoin-native payments and why pr…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1334,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/21-in-21-7274084/episodes/21-in-21-calle-on-cashu-clawi-and-ai-agents/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/21-in-21-7274084/21-in-21-calle-on-cashu-clawi-and-ai-agents.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}