81 épisodes
- 0:00 - Special Thursday PBJ
0:59 - How Blockstream Liquid works and how it was hacked
6:57 - The strange (extortionate?) “white hat” twist
10:45 - AI security scanning and Liquid’s 'fix' that made things worse
12:50 - What the Liquid hack reveals about federations and custody
20:07 - How Blockstream plans to make Liquid users whole
26:08 - Open Source AI Summit takeaways
31:30 - Anthropic and the threat to open-source AI
39:51 - Open protocols for agents, identity and memory
43:32 - Vora reveals stunning private, local AI hardware
SHOW NOTES:
https://opensourceaisummit.org/
https://vora.io/ Nvidia Bets Big on Open-Source AI, AI Finds Core Lightning Bugs, Aluminum-Powered Data Centers
28/08/2026 | 1 h 32 min0:00 - Opening banter
0:40 - PBJ Topic Explorer
7:34 - Particle Radar brings AI search for the world’s podcasts
12:35 - Voya Energy's new approach to metal fuels for storage
23:25 - Nvidia doubles down on open-source AI (Hugging Face acquisition)
35:45 - Using GrokBot for long-horizon research
41:54 - Giving agents long-running goals
46:59 - New security risks and attack surfaces from trusting other agents
53:09 - Is Twitter or Cursor’s data more valuable?
1:03:50 - AI security investigations are getting harder
1:06:55 - Core Lightning vulnerabilities and disclosure dilemma
1:18:35 - How far ahead are frontier AI models?
1:23:36 - Building a market for cheap, spare compute
1:30:30 - Darkbloom’s decentralized (Mac) inference network
SHOW NOTES:
PBJ Topic Explorer: https://pbarchive.ai/topics/
Voya Energy: https://www.voya.energy/news/voya-energy-unveils-a-new-metal-fuels-energy-system-closes-35-million-series-a
Darkbloom: https://www.darkbloom.dev/- 0:00 - What's behind bitcoin's rally?
8:33 - Open Source AI Summit and questions for David Sacks
18:00 - Berd and Block’s growing stack of open-source AI agents
22:30 - Alby's TaskFuel simplifying payments for agents
30:14 - The missing credential layer for agents
36:46 - Making sense of Stripe’s OpenRouter acquisition
48:02 - What's OpenRouter’s moat?
52:50 - Apple, OpenAI and the battle for user intent
57:46 - Making the internet infinitely programmable
1:07:47 - BlackRock's new case for bitcoin
1:21:03 - What causes bitcoin’s four-year cycle?
1:26:25 - Strategy's notable resilience
1:30:49 - Is bitcoin becoming more centralized and how best to measure it?
SHOW NOTES:
https://opensourceaisummit.org/
https://www.blackrock.com/us/financial-professionals/literature/whitepaper/re-underwriting-bitcoin.pdf Bitcoin Security after COLDCARD, PB Media Archive Launch, Announcing the Type II Summit
07/08/2026 | 2 h 1 min0:00 - Last week’s breakout episode
1:36 - Bitcoin, AI and energy are starting to converge
12:06 - Announcing the Type II Summit
15:05 - Panthalassa and offshore compute
17:30 - Introducing the PB Media Archive (pbarchive.ai)
22:15 - Reexamining podcast accountability and ad incentives post-COLDCARD
34:55 - The BTCPay Server exploit (happening in real time)
36:11 - No software project should assume it’s safe
41:20 - Why closed source won’t protect software from AI (OpenAI–Hugging Face incident)
53:40 - Project Loupe’s approach to AI security scanning & learnings
1:01:30 - The push to get early AI access for bitcoin developers
1:06:30 - How the COLDCARD incident has rallied bitcoin security (e.g., Bitcoin Red Team)
1:13:00 - The hidden risks of DIY bitcoin entropy
1:21:50 - Was the COLDCARD hack an inside job?
1:28:24 - Rethinking responsible disclosure in the AI era
1:35:12 - How vulnerable is the Lightning Network to AI?
1:37:25 - Will agents choose bitcoin or create something new?
1:42:45 - White-hat hacking, recovery and property rights
1:54:48 - Spiral’s idea for a neutral protocol for multi-vendor wallet security
SHOW NOTES:
PB Media Archive: https://pbarchive.ai/
COLDCARD PBJ: https://youtube.com/live/cSXOmwI38Jo?feature=share- 0:00 - The COLDCARD hack: bitcoin’s worst security incident ever?
4:30 - What happened and how thefts were identified
7:04 - The random-number failure behind the hack
13:24 - The right way to generate wallet entropy (i.e., dice rolls)
20:45 - Who is affected and what users should do
31:43 - Custody options and why diversification matters
37:37 - The source-license change behind the COLDCARD bug
40:33 - How AI changes open-source security audits
52:30 - How the community can limit further theft
59:56 - Why patches cannot fix keys and recovering stolen bitcoin
1:10:37 - Does AI strengthen the case for custodians?
1:16:30 - Future of self-custody
1:21:43 - Evaluating Bitkey, Ledger, Trezor and multisig post-COLDCARD
1:31:04 - ETFs, custodians and new transparency standards
SHOW NOTES:
PBJ custody survey episode: https://www.youtube.com/watch?v=OSanv5Z-DA4
Block COLDCARD blog post: https://engineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmware
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À propos de PBJ
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
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