Calle is the creator and lead maintainer of the Cashu open source protocol. Cashu enables users to easily use bitcoin in a private, offline, and programmable way. Calle is also the maintainer of Bitchat android, a cross platform meshnet app that enables users to chat and send bitcoin without an internet connection.

Calle on Nostr: https://primal.net/calle
Calle on X: https://x.com/callebtc
Bitchat: https://bitchat.free/
Cashu: https://cashu.space/
AOS: https://andotherstuff.org/

EPISODE: 171
BLOCK: 907832
PRICE: 847 sats per dollar

(00:00:00) Bloomberg Intro

(00:02:47) Happy Bitcoin Wednesday

(00:06:42) Bitchat: Concept and Development

(00:15:25) Mesh Networks

(00:23:01) Real-World Applications of Mesh Networks

(00:29:39) Challenges and Vulnerabilities of Mesh Networks

(00:37:14) Adoption Challenges for Mesh Technology

(00:44:07) Integrating Cashu with Bitchat

(00:52:50) Offline Payments and Privacy with Cashu

(01:06:14) Vibe Coding and Development Process

(01:25:48) Future of Bitchat and Open Source Funding

(01:34:44) Sustainability in Open Source Projects

(01:47:00) Final Thoughts and Call to Action

Hodlbod brings a unique perspective, bridging the old and the new, with a focus on a healthier relationship between users and the digital world.

Hodlbod on Nostr: https://primal.net/p/nprofile1qqsf03c2gsmx5ef4c9zmxvlew04gdh7u94afnknp33qvv3c94kvwxgsm3u0w6
His Book: https://building-nostr.coracle.social
Coracle: https://coracle.social
Flotilla: https://flotilla.social/
His other apps: https://stuff.coracle.social

EPISODE: 170
BLOCK: 907160
PRICE: 858 sats per dollar

(00:00:01) Tesla's Bitcoin Holdings and Opportunity Costs

(00:01:11) Happy Bitcoin Friday

(00:03:01) Guest Introduction: Hodlbod

(00:04:20) Challenges of Streaming and Notifications

(00:06:30) Decentralized Technology and Social Media

(00:10:04) Push Notifications and Privacy Concerns

(00:15:00) Reforming Technology and Social Media

(00:20:00) Decentralization and Political Dynamics

(00:25:00) Nostr's Adoption and Future Prospects

(00:33:00) Nostr's Unique Protocol and Challenges

(00:40:00) AI's Role in Development and Vibe Coding

(00:50:00) Micro Apps vs. Holistic Experiences on Nostr

(01:00:00) Social Media Addiction and User Experience

(01:10:00) Group Chats and Community Building

(01:20:00) Signal's Influence and Privacy Concerns

(01:30:00) Monetization and Sustainability on Nostr

(01:50:00) Nostr's Development and Future Directions

(02:00:00) Book Release: Building Nostr

Ben helped build the widely used Specter Wallet open source project and is now focused on building Bitcoin Keeper, a wallet focused on making self custody easy. Bitcoin Keeper is mobile focused and enables users to start with an easy to use single sig wallet and then upgrade their setup over time.

Ben on Nostr: https://primal.net/p/nprofile1qqs0m9jlx5hyrll66trdzpytkaj0mhj3gmwd8ja7za9kmp7w4m5uwac39jprd
Keeper on Nostr: https://primal.net/p/nprofile1qqsdl3wtt8t7tlcj08xat89853dgzjlnkh7q9e2cgttkw77xn3hvwwgcklwnk
Ben on X: https://x.com/_benkaufman
Keeper on X: https://x.com/bitcoinkeeper_
Bitcoin Keeper: https://bitcoinkeeper.app


EPISODE: 169
BLOCK: 906570
PRICE: 847 sats per dollar

(00:00:01) CNBC Intro

(00:01:45) Happy Bitcoin Monday

(00:03:39) Ben Kaufman

(00:04:09) Specter Wallet

(00:06:28) Bitcoin Keeper

(00:10:20) Multisig and Security Models

(00:16:37) Single Sig vs Multisig

(00:27:56) Inheritance Planning

(00:43:09) Unique Features of Bitcoin Keeper

(00:47:56) Tether Support and Global Use Cases

(00:51:05) Lightning Network and Future Prospects

(00:55:46) State of Bitcoin and Self Custody