Hosted by Haley Berkoe

21 in 21

Haley 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

Author

Hosted by Haley Berkoe

Category

Technology

Latest episode

Jul 2, 2026

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Episodes

21 in 21: Ben Carman 26.06.2025

Haley Berkoe met with Ben Carman, who recently joined the Spiral team to work on the Lightning Development Kit and LDK-related projects. Previously he was at Taproot Wizards and Mutiny, a non-custodial Lightning wallet. Episode highlights include: - Ben’s new focus areas at Spiral. - His bitcoin journey, which started with a comedy podcast and Andreas Antonopoulos's videos. - Ben’s concerns about...

21 in 21: Stephen DeLorme 05.06.2025

In this episode, Haley Berkoe sat down with Stephen DeLorme, a Product Designer at Voltage and co-founder of ATL BitLab, a bitcoin-focused hackerspace in Atlanta. Episode Highlights: * Battle of the Mine-hackers starts this Saturday, June 7th, at ATL BitLab! Remote participation is welcome: https://minehackers.atlbitlab.com/ * Centralization risks with mining pools, hardware manufacturing, and blo...

21 in 21: Ella Hough 03.06.2025

Haley Berkoe met with Ella Hough, who has dedicated significant time to educating younger generations about bitcoin. She just completed her bitcoin-focused study at Cornell University, co-founded the Bitcoin Students Network, and led the Cornell Bitcoin Club, which is now transitioning to new leadership. Additionally, she is conducting a global study examining bitcoin adoption and financial freedo...

21 in 21: Laolu Osuntokun 24.05.2025

Haley Berkoe interviewed Laolu Osuntokun, also known as Roasbeef. He’s a longtime bitcoiner, the CTO and co-founder of Lightning Labs, and lead developer for LND, one of the main Lightning implementations. Highlights of the conversation include his: - Winning project at the PB hackathon - Areas of focus at Lightning Labs, including improving LND and Taproot Assets - Pragmatic view on stablecoins -...

21 in 21: Daniel Nordh 13.05.2025

Haley Berkoe interviewed Daniel Nordh, co-founder of the Bitcoin Design Foundation and one of the longest-serving contributors to the Bitcoin Design Community. Here are the key highlights: - How designers can help build smoother user experiences - Daniel's transition from big tech to bitcoin - Fostering a sustainable future for the bitcoin design community - Collaborating with open-source projects...

21 in 21: Neha Narula 06.05.2025

Haley Berkoe sat down with Neha Narula, the Director of the MIT Digital Currency Initiative, which supports research in cryptocurrency and blockchain technology. Additionally, she serves on Block’s board of directors. FOLLOW: Neha Narula: @neha, https://x.com/neha MIT Digital Currency Initiative: @mitDCI, https://x.com/mitDCI Haley Berkoe: @HBerkoe, https://x.com/HBerkoe Presidio Bitcoin: @Presidi...

21 in 21: Shehzan Maredia 16.04.2025

Haley Berkoe met with Shehzan Maredia, the founder and CEO of Lava, a self-custodial solution for borrowing against bitcoin. FOLLOW: Shehzan Maredia: @MarediaShehzan, https://x.com/MarediaShehzan Lava: @lava_xyz, https://x.com/lava_xyz Haley Berkoe: @HBerkoe, https://x.com/HBerkoe Presidio Bitcoin: @PresidioBitcoin, https://x.com/PresidioBitcoin HIGHLIGHTS 2:16 Before bitcoin can be seen as a spen...

21 in 21: Pierre Rochard 11.04.2025

Haley Berkoe sat down with Pierre Rochard, who recently launched The Bitcoin Bond Company. Rochard is a longtime bitcoiner, having previously served as the VP of Research at Riot Platforms and co-founding the Satoshi Nakamoto Institute. FOLLOW: Pierre Rochard: @BitcoinPierre https://x.com/BitcoinPierre Haley Berkoe: @HBerkoe https://x.com/HBerkoe Presidio Bitcoin: @PresidioBitcoin https://x.com/Pr...

21 in 21: Niftynei 08.04.2025

Haley sat down with Niftynei, a seasoned Lightning developer, bitcoin educator, and conference organizer. Be sure to check out Bitcoin++, the global developer conference she spearheads multiple times per year. FOLLOW: Niftynei: @niftynei, https://x.com/niftynei Bitcoin++: @btcplusplus, https://x.com/btcplusplus Haley Berkoe: @HBerkoe https://x.com/HBerkoe Presidio Bitcoin: @PresidioBitcoin https:/...

21 in 21: Jack Dorsey 01.04.2025

Haley Berkoe interviews Jack Dorsey, the CEO of Block, former CEO of Twitter, and prominent supporter of the bitcoin open-source ecosystem. FOLLOW: Jack Dorsey: @jack https://x.com/jack , https://primal.net/jack Haley Berkoe: @HBerkoe https://x.com/HBerkoe Presidio Bitcoin: @PresidioBitcoinhttps://x.com/PresidioBitcoin SUBSCRIBE: YouTube: https://www.youtube.com/@PresidioBitcoin This is a public e...

21 in 21: Rockstar Dev 26.03.2025

In this inaugural episode of 21 in 21, Haley Berkoe interviews Rockstar Dev, a longtime contributor to BTCPayServer, one of the most important projects in the bitcoin space. 3:46 - Rockstar Dev’s story of growing up amidst hyperinflation and how that helped make him a bitcoiner. 9:07 - The importance of spending sats and building products like Nostr. 11:35 - How companies can support the open-sour...

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