40% Hate-Rate: The Secret GTM of the Most Viral Founder in YC W25

This YC Founder Gives Away What Others Sell for Millions

Most founders think identity verification is just a boring compliance box. Alberto Rosas, CEO of Didit, flipped the script by offering a developer-first freemium model that took the US market by storm. In this episode, we unpack how Didit is using product-led growth to scale an infrastructure play that could outgrow the online payments market. What you will learn: - How Didit cloned the exact developer-first playbook Stripe used to hit a $100B scale - The exact mechanics of cracking PLG in a highly regulated, historically opaque industry - Why the explosion of AI bots will force humans to verify their identity multiple times a day - The structural reason why blockchain is completely inefficient for digital identity protocols - The 20x fundraising arbitrage: A raw look at raising capital in Europe versus Y Combinator Demo Day 📌 Watch now and subscribe for more smart, fast, founder-first interviews. Chapters 00:00 Playing the Big Leagues 00:22 Meet Didit and the Big Bet 01:22 Stripe for Identity 03:17 New Use Cases Beyond Compliance 09:16 AI Fraud and Daily Verification 12:44 Trust Scores and Identity Wallets 16:10 Does Identity Need Blockchain 19:11 Why Join Y Combinator 20:31 Moving to the US for Scale 24:38 YC Roaster Sponsor Break 25:44 YC Network Shortcut 26:19 Credibility And Access 27:40 Inside The YC Batch 29:15 Fundraising 20x Easier 29:41 Why YC Is Unique 31:21 Product Led Growth Basics 33:07 GTM Intuition Over Tests 36:51 Frictionless Transparent Product 39:10 Iterate Fast To Win 43:53 Big Vision And Predictions 45:17 Where To Find Didit 46:11 Final Thanks And Subscribe 🎧 Listen on the go: Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP Apple: https://apple.co/4cZ8RMm My other YouTube Channel: https://www.youtube.com/@lobstercap This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 🔗 https://ycroaster.com

Insurance Puts Hospitals On Hold On Purpose. His AI Waits Them Out

The standard view in enterprise tech is that hospitals are an impossible sell. The sales cycles take years, legacy systems are hopelessly entrenched, and bureaucracy kills early-stage companies. But there is a massive structural loophole. Insurance giants are intentionally creating artificial friction, using mandatory 40 minute phone holds to run out the clock on hospital billing cycles. In this episode, Suhail from LunaBill breaks down how they built a pipeline of enterprise contracts by automating the revenue cycle. We discuss his contrarian approach to pre-seed customer discovery, the real reason why healthcare software giants have an Achilles heel, and how AI is fundamentally unwrapping a multi-trillion-dollar global services economy. What you will learn: - How insurance companies weaponize long wait times to relegate hospital claims into zero percent recovery brackets. - The pre-seed strategy of taking an industry job to map your ICP without burning venture runway. - Why the service industry is ten times larger than software and how AI-native tools scale into it. - How to successfully navigate enterprise vendor consolidation by transforming a point product into a platform. - The 2031 macro prediction for human telephone infrastructure in the medical sector. 📌 Watch now and subscribe for more smart, fast, founder-first interviews. Chapters: 00:00 Dead Revenue Problem 00:05 Meet LunaBill Founder 00:46 Voice AI For Claims 02:09 Insurers Slow Walk 04:18 Outsourcing And AI 04:52 Aging Claims Math 06:46 Origin Story Pivot 09:09 Hospital Buying Psychology 13:28 Jobs Before Startups 17:40 Internship Versus Pivot 19:31 YC Roaster Pitch 20:11 Why Expand Beyond Billing 20:51 Customer Requests Drive Scope 22:02 Hospital Onboarding Reality 23:59 Repositioning as Voice Platform 24:47 Playing to Team Strengths 26:51 AGI Replacement Concerns 28:10 Healthcare Moats Relationships 30:38 Bigco Speed vs Startups 32:20 2031 Prediction AI Calls 33:46 AI Native Revenue Cycle Future 36:06 AI Rewrites Legacy Systems 37:21 Luna Bill Growth Goals 37:53 Where to Find Luna Bill 38:06 Wrap Up and Subscribe 🎧 Listen on the go: Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP Apple: https://apple.co/4cZ8RMm My other YouTube Channel: https://www.youtube.com/@lobstercap This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 🔗 https://ycroaster.com

They Said Electric Cargo Ships Were Impossible. Now They're Funding Him..

Silicon Valley loves software, but the massive gains of the next decade belong to atoms. Fleetzero founder Steven Henderson joined YC to solve a multi-billion dollar problem: decarbonizing ocean freight without crushing the global economy. By redesigning cargo ships from scratch, eliminating onboard crew infrastructure, and deploying massive battery hybrids, Fleetzero is undercutting diesel on pure unit economics. What you will learn: - The exact math behind a 5,200 nautical mile voyage on a single battery charge. - Why alternative green fuels like ammonia and methanol will cause global shipping costs to skyrocket. - How removing human crew quarters slashes ship construction CapEx by 60% to 80%. - The contrarian wedge strategy of using hybrid ports to fund infrastructure build-outs. - How to raise capital from top-tier VCs as a total Silicon Valley outsider. 📌 Watch now and subscribe for more smart, fast, founder-first interviews. Chapters: 00:00 Maersk Comes Around 00:26 Meet Fleetzero 01:11 Ships as Robots Vision 02:06 Why Electric Enables Remote 02:36 Maintenance Is the Real Job 04:30 Autopilot Today Edge Cases 05:24 Cheaper Safer Cleaner Future 08:56 Humans Still in Loop 09:55 Crew Numbers and Lookout Rule 11:07 Octopod Teleoperation Demo 12:39 Batteries and Port Charging 15:20 Hybrid Wedge for Infrastructure 17:33 Beyond Batteries Nuclear Fusion 21:11 Piracy and Security Angle 23:04 Sea Power and Shipbuilding Decline 24:28 Sea Power Revival 25:31 Crew Costs Shock 27:57 Zero Crew Ships 29:18 Product First Strategy 31:08 Partner Not Shipyard 32:08 Maersk Turns Ally 34:16 Contrarian Investing Talk 37:13 YC Network Playbook 41:57 Hiring In Houston 44:14 Roadmap And Wrap 🎧 Listen on the go: Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP Apple: https://apple.co/4cZ8RMm My other YouTube Channel: https://www.youtube.com/@lobstercap This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 🔗 https://ycroaster.com

YC Valuations Are Getting Insane (P26 Demo Day Debrief)

The boots on the ground download from YC P26 Demo Day in San Francisco shows the macro venture market is shifting fast. We sit down right after talking to founders on the floor to analyze the wild valuation spikes, the hardware renaissance, and the new breed of post revenue companies utilizing the accelerator. Learn why the traditional boundaries of seed and Series A are completely dissolving. What you will learn: * The math behind the latest 500 million dollar YC valuations * Why companies with 1 million plus ARR are giving away 7 percent equity * How in silico simulations are dropping biotech R&D costs from millions to hundreds of dollars * The operational mechanics of an AI running a company with a human legal proxy * Why Standard Capital and others are building the next framework for Series A cohorts 📌 Watch now and subscribe for more smart, fast, founder-first interviews. Chapters:  00:00 Valuations Feel Crazy 00:20 Demo Day Debrief Setup 01:14 YC Rhythm And Energy 02:38 Bubble Talk And Big Rounds 04:32 Hardware Is Back 08:25 YC As A Growth Hack 11:16 Post PMF YC Debate 15:12 How Investors Price Risk 18:28 AI Meets Bio Breakthroughs 27:22 Fund Timelines And Patience 30:50 The World Accelerates Fast 34:04 AI Run Companies At YC 38:52 Wrap Up And Sign Off 🎧 Listen on the go:  Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP [https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP]  Apple: https://apple.co/4cZ8RMm [https://apple.co/4cZ8RMm]  My other YouTube Channel: https://www.youtube.com/@lobstercap [https://www.youtube.com/@lobstercap] This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications.  🔗 https://ycroaster.com [https://ycroaster.com]

2 Million Downloads a Week — By Giving Everything Away for Free

Most founders think they need to monetize on day one, but this YC breakout grew to 2 million weekly downloads by giving everything away for free, and now they power ChatGPT. In this episode of The Lobster Talks, we sit down with Bereket, the founder of BetterAuth, to dissect the ultimate open-source distribution playbook. Moving directly from Ethiopia to Silicon Valley, Bereket built an authentication powerhouse that is disrupting legacy vendors and establishing the new standard for the AI agent economy. We break down the transition from human auth to agent identity, the playbook behind corporate acquisitions like Anthropic buying Bun, and why rushing your monetization strategy can kill your hypergrowth. What you will learn: * The exact mechanics BetterAuth used to scale from 150K to 2 million weekly downloads without a marketing budget. * Why building a high-quality open-source ecosystem is the highest-leverage distribution hack in tech. * How Anthropic’s acquisition of Bun proves that massive developer utility trumps early monetization. * The unbundled future of identity: Why the massive explosion of AI agents requires a completely new auth protocol. * How Claude Code and LLM recommendations are completely replacing traditional B2B SaaS marketing funnels. 📌 Watch now and subscribe for more smart, fast, founder-first interviews. Chapters:  00:00 Open Source Distribution 00:27 YC Roaster Sponsor 01:07 Meet BetterAuth Founder 01:36 BetterAuth Explained 02:21 Insane Growth Story 03:28 How Word of Mouth Wins 06:26 Open Source Playbook 08:50 Monetizing Open Source 09:58 Docker and Bun Lessons 14:45 Avoiding Hosted Auth Trap 15:44 Agent Auth Breakthrough 17:43 Protocol and Future Plans 19:49 Why Not Hosted Yet 20:54 Bottom Up Standards 21:42 Mission For Agent Auth 23:06 Ethiopia To YC Journey 24:33 YC Content Flywheel 25:45 Family Reactions And Impact 27:55 Better Auth Roadmap 29:16 Better X Side Projects 30:23 AI Coding And Momentum 34:16 Winning AI Recommendations 36:19 Final Advice And Wrap 🎧 Listen on the go:  Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP [https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP]  Apple: https://apple.co/4cZ8RMm [https://apple.co/4cZ8RMm]  My other YouTube Channel: https://www.youtube.com/@lobstercap [https://www.youtube.com/@lobstercap] This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications.  🔗 https://ycroaster.com [https://ycroaster.com]