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Episodes from 21 in 21
21 in 21: Patrick Ball on Using Bitcoin and AI to Defend Human Rights
Patrick Ball, Director of Research at the Human Rights Data Analysis Group, joins Haley Berkoe on 21 in 21 to discuss how data, bitcoin, and AI can help defend human rights. Patrick explains how his team uses statistics to document mass violence, how bitcoin can help protect the integrity of human…
21 in 21: Calle on Cashu, Clawi, and AI Agents
On this episode of 21 in 21, Calle discusses his work on Cashu, Bitchat, and Clawi. He explores how AI agents could use bitcoin-native payments and why privacy-preserving infrastructure matters in an increasingly agentic internet. Calle also reflects on his journey down the bitcoin rabbit hole,…
21 in 21: Linn Bieske on Hack-Nation and Building Global AI Communities
Linn Bieske, Co-Lead of the AI & Technology Track at the MIT Club of Northern California (CNC), AI Product Manager, and Co-Founder of Hack-Nation, joins Haley Berkoe on 21 in 21. They discuss the upcoming Hack-Nation event on April 25 and Spiral’s sponsored challenge exploring what becomes possible…
21 in 21: Rainey Reitman on Transaction Denied and Financial Censorship
Rainey Reitman joins 21 in 21 for a conversation on financial censorship, free speech, and her new book, Transaction Denied: Big Finance’s Power to Punish Speech. Rainey co-founded Freedom of the Press Foundation and serves on the board as president. She also spent 11 years at the Electronic…
21 in 21: Michael Saylor on Bitcoin, AI, and Advice for Builders
Michael Saylor joined Haley Berkoe on 21 in 21 for a rapid-fire conversation on bitcoin, AI, and what’s coming next. He shares what’s top of mind for 2026, why he sees this year as a major turning point, and how he thinks bitcoin could evolve as digital capital beneath new layers of credit and…
21 in 21: Andi Pitt on Bitcoin Venture, AI, and Cognitive Sovereignty
Andi Pitt of Ego Death Capital joined me on 21 in 21 to talk about the rise of new startups in the bitcoin ecosystem, how the funding landscape has changed, and the growing intersection of bitcoin and AI. She also shares what she looks for in founders and offers advice for launching a startup.…
21 in 21: Mark Suman on Privacy-First AI
Mark Suman, co-founder and CEO of Maple AI, a privacy-first AI chat platform known as “the Signal of AI,” joins Haley Berkoe on 21 in 21. Mark explains how Maple AI uses secure enclaves to deliver a ChatGPT-like experience while getting as close to local-AI privacy as possible, without requiring…
21 in 21: David Gumberg on the Chaincode ₿OSS Challenge and Becoming a Bitcoin Core Contributor
Haley Berkoe sits down with David Gumberg, a Bitcoin Core contributor at Localhost, a bitcoin-focused research center in the Bay Area. David shares how he got into bitcoin, what pushed him from curiosity to contribution, and how completing the Chaincode ₿OSS Challenge in 2024 helped him make the…
21 in 21: Rod Roudi
In this episode of 21 in 21, Haley sits down with Rod Roudi, co-founder of Bitcoin Park in Nashville and Austin. Rod breaks down how Bitcoin Park began, why in-person energy fuels strong communities, and how Nashville grew into a hub for bitcoiners, policymakers, founders, developers, and…
21 in 21: Joe Carlo on How Bitcoin Changed Pink Owl Coffee Forever
Haley Berkoe sits down with Joe Carlo, co-owner of Pink Owl Coffee, a café that began in San Rafael, California, and has since expanded to three locations across the Bay Area. Pink Owl is one of the earliest Square merchants to integrate bitcoin into its business model. For several years, Joe and…
21 in 21: Kyle Olney
Kyle Olney joins Haley Berkoe to talk about defending bitcoin’s foundational freedoms. A longtime Silicon Valley product leader turned bitcoin advocate, Kyle helped launch Save Our Wallets, a coalition fighting for Section 109 of the Clarity Act, and the Satoshi Needs You campaign, a national call…
21 in 21: Nick Slaney
In this episode of 21 in 21, Nick Slaney joins Haley Berkoe during Presidio Bitcoin Design Week. Nick is the founder of Money Dev Kit, a new startup building tools that make it easy for developers to add bitcoin and Lightning payments to their applications. Previously, he was at Block, where he…