The Future of Digital Cash, Financial Privacy & Mining Innovation

Calle explores the intersection of financial privacy and Bitcoin's evolving ecosystem. The conversation maps the journey from early digital cash experiments to modern privacy-focused protocols like Cashew and Fedimint. Essential topics include Bitcoin's role in preserving financial freedom, the integration of eCash with Nostr, and how developers are building crucial infrastructure for the next generation of digital finance. The discussion spans both technical innovation and its broader implications for personal privacy in an increasingly digital world.

Calle on X: https://x.com/callebtc

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0:00 - Intro

0:40 - Programming is art

5:40 - Zooming out on the struggle for freedom

10:27 - Dealing with the pace of change

14:24 - Unchained & Fold

16:17 - Financial privacy

20:47 - Chaumian ecash history

33:38 - Zaprite & SOTE

35:10 - Ecash on bitcoin

42:59 - Hash pools

48:49 - Interoperable systems

52:15 - We need more privacy and more devs

55:28 - Narrative and communication

1:00:49 - Magic stuff that just works

1:10:23 - Nostr as a gateway to bitcoin

1:17:25 - Wrap up

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