# USDC on Cash App, Wand Launch, Surge, and the Zcash Crash

Page: https://stenobird.com/podcast/presidio-bitcoin-jam-7268126/usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash
Text version: https://stenobird.com/podcast/presidio-bitcoin-jam-7268126/usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash.md
Podcast: [PBJ](https://stenobird.com/podcast/presidio-bitcoin-jam-7268126)
Published: 2026-06-05T22:32:42+00:00
Episode link: https://fountain.fm/episode/ichOjFjbvAPmtwHImFpa
Audio file: https://feeds.fountain.fm/UnefO3pkSLLDwIGz0Xq1/items/9VtH69X1WVyuJy4IaX0j/files/AUDIO---DEFAULT---fb947e80-0687-4a6f-948e-fbc2400229d5.mp3
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JSON: https://stenobird.com/v1/public/podcasts/presidio-bitcoin-jam-7268126/episodes/usdc-on-cash-app-wand-launch-surge-and-the-zcash-crash
Duration seconds: 5386

## Resource

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)

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## Transcript

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