21 in 21
Hosted by Haley BerkoeHaley Berkoe asks some of the biggest names in bitcoin and Silicon Valley 21 questions in 21 minutes, from the personalities you know and love to tech’s unsung heroes. A new episode drops when someone stops by Presidio Bitcoin. Reach out if you are or will be in the area and are interested in being on the show. presidiobitcoin.substack.com
| Publishes | Monthly | Episodes | 36 | Founded | a year ago |
|---|---|---|---|---|---|
| Number of Listeners | Categories | TechnologyBusiness | |||
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Latest Episodes
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... more
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... more
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 sp... more
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.... more
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Saylor
Apple Podcasts5Eric Seneca Kim
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Apple Podcasts | #130 |  Finland/Technology |
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Frequently Asked Questions About 21 in 21
What is 21 in 21 about and what kind of topics does it cover?
A short-form interview series features high-profile figures from Bitcoin, tech, and Silicon Valley answering 21 rapid questions in about 21 minutes. Conversations span Bitcoin adoption, AI intersections, developer tooling, and community-building, with a consistent thread of practical, real-world impact—from merchant adoption to open-source projects and design-focused UX. The format tends to surface bold visions for digital money, privacy-preserving tech, and the ways builders can turn ideas into products quickly, making complex topics accessible for practitioners and enthusiasts alike. Noteworthy is the recurring emphasis on hands-on projects, open collaboration, and a bias toward actionable takeaways for developers, founders, and merchants... more
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Which podcasts are similar to 21 in 21?
These podcasts share a similar audience with 21 in 21:
1. Bitcoin Optech Podcast
2. TFTC: A Bitcoin Podcast
3. What Bitcoin Did
4. Moonshots with Peter Diamandis
How many episodes of 21 in 21 are there?
21 in 21 launched a year ago and published 36 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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What guests have appeared on 21 in 21?
Recent guests on 21 in 21 include:
1. Linn Bieske
2. Rainey Reitman
3. Michael Saylor
4. Andi Pitt
5. Mark Suman
6. David Gumberg
7. Rod Roudi
8. Joe Carlo
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