Complex Systems with Patrick McKenzie (patio11)

Patrick McKenzie (@patio11) reads his latest Bits about Money essay explaining why he “loves Regulation E more than any rational person does.” He explains how Reg E created a privately-administered legal system processing over 100 million complaints annually—dwarfing the formal U.S. court system—and why banks are now trying to avoid these obligations for Zelle's nine figure fraud problem.–Full transcript available here: www.complexsystemspodcast.com/the-magic-spell-reg-e/– Sponsors: MongoDB & FramerTired of database limitations and architectures that break when you scale? MongoDB is the database built for developers, by developers: ACID compliant, Enterprise-ready, and fluent in AI. Start building faster at mongodb.com/build Building and maintaining marketing websites shouldn’t slow down your engineers. Framer gives design and marketing teams an all-in-one platform to ship landing pages, microsites, or full site redesigns instantly—without engineering bottlenecks. Get 30% off Framer Pro at framer.com/complexsystems.–Links:Bits about Money,  One Regulation E, Two Very Different RegimesFull version of "Doesn't Matter, That's Reg E": https://suno.com/song/173bbd67-92f7-4868-930f-efeca4b373c0–Timestamps:(00:00) Introduction(02:46) These newfangled computers might steal our money(12:45) The contractual liability waterfall in card payments(20:35) Sponsors: MongoDB and Framer(22:23) The contractual liability waterfall in card payments (continued)(23:47) Enter Zelle(25:46) Zelle is an enormous fraud target(32:23) Banks may attempt to extend the Zelle precedent(35:02) Reg E encompasses almost every technology which exists and many which don't yet

Our annual year-in-review episode covers some recurring themes from 2025 and some behind-the-curtains discussion of running a podcast. Patrick McKenzie (patio11) sits down with producer Sammy Cottrell to discuss the most popular episodes of the year,  the impact of AI coding tools, the challenges of video podcasting, Sammy's role as a "fixer" finding guests, and much more.–Full transcript available here: www.complexsystemspodcast.com/2025-in-review-with-sammy-cottrell/–Sponsor:Framer is a design and publishing platform that collapses the toolchain between wireframes and production-ready websites. Design, iterate, and publish in one workspace. Start free at framer.com/design with code COMPLEXSYSTEMS for a free month of Framer Pro.–Timestamps:(00:00) Introduction(01:38) Launching video podcasts this year(02:52) AI ethics and risk discussions(04:29) Supporting LessWrong and LightHaven(07:24) Adventures in AI-assisted hobbies(12:38) Most popular episodes of the year(19:45) Sponsor: Framer(20:52) Popular episodes (continued)(29:06) Setting up a podcast studio at Lighthaven(32:31) Internal company podcasts(38:03) Year in review and investigative journalism(43:02) Creating Isekai(49:13) Wrap

For this week's holiday-inspired Complex Systems, Patrick reads his essay from Bits about Money on the gift card paradox: a legitimate payments rail, yet also a primary vector for fraud that leaves victims without recourse.–Full transcript available here: www.complexsystemspodcast.com/gift-cards-and-the-fraud-supply-chain/–Sponsors: Givewell & Framer Support proven charities that deliver measurable results and learn how to maximize your charitable impact with GiveWell. Go to givewell.org, pick “Podcast” and enter Complex Systems at checkout.Framer is a design and publishing platform that collapses the toolchain between wireframes and production-ready websites. Design, iterate, and publish in one workspace. Start free at framer.com/design with code COMPLEXSYSTEMS for a free month of Framer Pro.–Links:Bits about Money, Gift cards accountability sink https://www.bitsaboutmoney.com/archive/gift-card-accountability-sink/Global China Puise, Moving Bricks https://globalchinapulse.net/moving-bricks-money-laundering-practices-in-the-online-scam-industry/ –Timestamps:(00:00) Intro(04:02) Most businesses do not run their own gift card programs(06:40) Sponsors: Givewell and Framer(09:00) Most businesses do not run their own gift card programs (part 2)(10:27) Gift cards are not regulated like other electronic payments instruments(12:07) Why do we choose this difference in regulation?

In this episode, Patrick McKenzie (patio11) walks through how perpetual futures work, from funding rates to liquidations to the surprise of automatic deleveraging. Perps are the dominant trading mechanism in crypto (6-8X larger than spot volume) and exist primarily to let exchanges and market makers run casinos more capital-efficiently. He explains why this intellectually interesting innovation probably won't escape crypto, despite what crypto enthusiasts might expect.–Full transcript available here: www.complexsystemspodcast.com/understanding-perpetual-futures/–Sponsor: Framer is a design and publishing platform that collapses the toolchain between wireframes and production-ready websites. Design, iterate, and publish in one workspace. Start free at framer.com/design with code COMPLEXSYSTEMS for a free month of Framer Pro.–Links:Bits about Money, Perpetual futures, explained www.bitsaboutmoney.com/archive/perpetual-futures-explained/ –Timestamps:(00:00) Intro(02:36) Beginning with the problem(06:49) Perps predate crypto but found a home there(08:19) Multiple settlements a day(10:30) Convergence in prices via the basis trade(13:44) Sponsor: Framer(15:11) Leverage and liquidations(18:46) We have altered the terms of your unregulated futures investment contract(21:50) An aside about liquidations(25:14) Will crypto successfully "export" perps

In this episode, Patrick McKenzie (patio11) is joined by Ben Reinhardt, founder of Speculative Technologies, to examine how science gets funded in the United States and why the current system leaves much to be desired. They dissect the outdated taxonomy of basic, applied, and development research, categories encoded into law that fail to capture how actual breakthrough science happens.–Full transcript available here: www.complexsystemspodcast.com/the-economics-of-discovery-with-ben-reinhardt/–Sponsors: GiveWell & FramerSupport proven charities that deliver measurable results and learn how to maximize your charitable impact with GiveWell. First-time donors can go to givewell.org, pick “Podcast” and enter COMPLEXSYSTEMS at checkout to get $100 matched.Framer is a design and publishing platform that collapses the toolchain between wireframes and production-ready websites. Design, iterate, and publish in one workspace. Start free at framer.com/design with code COMPLEXSYSTEMS for a free month of Framer Pro.– Links:Speculative Technologies: https://spec.tech Ben Reinhardt's website: https://benjaminreinhardt.com Bits About Money: https://www.bitsaboutmoney.com/ –Timestamps:(00:00) Intro(00:26) Understanding focused research organizations (FROs)(01:52) The evolution of science funding(03:59) Taxonomy of research: basic, applied, and development(06:14) Challenges in science funding and research(08:12) The role of process knowledge in research(18:52) The bureaucracy of tech transfer offices(20:00) Sponsors: GiveWell & Framer(22:33) Critique of tech transfer offices(25:20) The burden of bureaucracy on researchers(44:34) Emerging solutions and optimism in research(46:58) Wrap