{"podcast":{"title":"PBJ","slug":"presidio-bitcoin-jam-7268126","podcast_index_feed_id":7268126,"rss_url":"https://feeds.fountain.fm/UnefO3pkSLLDwIGz0Xq1","website_url":"https://presidiobitcoin.substack.com/podcast","image_url":"https://feeds.fountain.fm/UnefO3pkSLLDwIGz0Xq1/files/COVER_ART---DEFAULT---7cd943d4-0f14-450a-80a8-2f3e51634c27.jpg","author":"With David King, Max Webster, and Steve Lee","episode_count":76,"summary":"PBJ is a weekly live show recorded at Presidio Bitcoin where 3 friends gather to make sense of bitcoin’s latest topics, from distilling technical concepts to discussing new ways to use bitcoin to determining its impact on the financial system. Join David King, Steve Lee, and Max Webster, longtime bitcoiners with deep roots in Silicon Valley, as they swap knowledge, challenge assumptions, and joust about the big questions of the day, bridging the gap between big tech and bitcoin. presidiobitcoin.substack.com","last_synced_at":"2026-07-25T22:17:40.733092+00:00","page_url":"https://stenobird.com/podcast/presidio-bitcoin-jam-7268126"},"episode":{"title":"USDC on Cash App, Wand Launch, Surge, and the Zcash Crash","slug":"usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash","published_at":"2026-06-05T22:32:42+00:00","page_url":"https://stenobird.com/podcast/presidio-bitcoin-jam-7268126/usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash","show_page_url":"https://stenobird.com/podcast/presidio-bitcoin-jam-7268126","url":"https://fountain.fm/episode/ichOjFjbvAPmtwHImFpa","audio_url":"https://feeds.fountain.fm/UnefO3pkSLLDwIGz0Xq1/items/9VtH69X1WVyuJy4IaX0j/files/AUDIO---DEFAULT---fb947e80-0687-4a6f-948e-fbc2400229d5.mp3","summary":"00:00 Welcome back (we missed a week) 00:56 The Cash App Wand: tap-to-pay NFC device that sold out in 10 hours 09:07 Surge: a self-custody, no-KYC bitcoin-backed credit line 16:07 The Taproot design and how Surge uses it 21:28 How Surge tackles the oracle & liquidation problem 28:08 Base/Ethereum dependence, MPC & the signer network (Surge's lender side) 37:34 Borrowing against your bitcoin to buy AI stocks instead of selling 38:41 Cash App's USDC integration 51:14 Living design docs, AI-native shows & project constitutions 54:24 Is AI sucking liquidity out of bitcoin? 1:00:00 The IPO wave and the AI bubble debate 1:06:00 The Zcash crash: Opus uncovers an inflation bug 1:07:55 Privacy vs. auditable supply, and why this can't happen to bitcoin 1:11:19 Turnstiles & Orchard: can Zcash actually recover? 1:14:22 AI vs. software security & Spiral's Project Loupe 1:23:40 Cloudflare: AI agents overtake humans in web requests 1:27:32 Wrap-up & teasers (Spiral's AI work, NVIDIA, Sprout)","meta_description":"00:00 Welcome back (we missed a week) 00:56 The Cash App Wand: tap-to-pay NFC device that sold out in 10 hours 09:07 Surge: a self-custody, no-KYC bitcoin…","key_points":[],"chapters":[],"topics":[],"duration_seconds":5386,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/presidio-bitcoin-jam-7268126/episodes/usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/presidio-bitcoin-jam-7268126/usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}