• Zooko Wilcox and Josh Swihart: Unstoppable Private Money
    Jun 3 2025

    My conversation with Zooko Wilcox and Josh Swihart on unstoppable private money.

    Zooko Wilcox is a legendary cypherpunk and one of the founders of Zcash—private, digital money.

    Josh Swihart is the CEO of Electric Coin Company, the team behind the Zcash protocol and the Zashi wallet app.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Timestamps

    0:00 - Maya Protocol integrates with Zcash

    3:52 - Coinbase social engineering attack

    7:43 - Private money negates capital controls

    14:13 - Privacy comes from money at rest

    18:24 - The Zashi effect and future roadmap

    25:11 - Project Tachyon

    39:10 - Zcash’s anonymity set doesn’t depend on the number of its users

    45:37 - Turnstiles in Zcash and the 2018 inflation bug

    57:28 - “ZK” has become a marketing stunt among crypto projects

    59:48 - On Binance delisting ZEC

    1:01:35 - A transition toward using crypto as it was originally intended

    1:04:52 - Should exchanges use transparent addresses?

    1:17:38 - Coin holder voting in Zcash

    1:23:38 - Sci-fi influence

    1:28:37 - Gary Gensler

    1:29:40 - Why I like Zcash

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    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    1 hr and 34 mins
  • Ethan Thornton: The Future of Warfare
    Mar 15 2025

    My conversation with Ethan Thornton, founder of Mach Industries.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Click here to support my work.

    Timestamps

    0:00 - Intro

    1:07 - Why Mach needs to exist

    3:16 - Early experiments

    5:07 - Dropping out of MIT

    8:36 - Raising $85 million at 19 years old

    11:20 - Decentralized vertical supply chains

    13:54 - The most important domain of the next century

    15:55 - Betting on hydrogen

    18:11 - Overview of Viper and Glide

    21:06 - Building feedback loops across teams

    25:29 - Facing regulatory hurdles

    28:19 - Knowing when to be risk tolerant

    29:54 - Time until China invades Taiwan

    31:45 - The future of warfare

    42:29 - Takeaways from the (unmanned) war in Ukraine

    48:23 - Biggest influences on Ethan’s life

    49:37 - Mach’s long-term plan

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    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    53 mins
  • Peter Boghossian: Moral Relativism and The Future of The West
    Feb 26 2025

    My conversation with philosopher and author Peter Boghossian.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Click here to support my work.

    Timestamps

    0:00 - The enlightenment

    5:51 - The dangers of moral relativism

    21:28 - Modern education is failing us

    31:14 - What’s worth preserving in the West

    37:00 - Is wokeism filling the void left by atheism?

    38:04 - The spread of Islamism

    45:49 - Speech is not violence

    49:11 - Derangements of science

    52:48 - The myth of the framework

    56:34 - Why you should learn epistemology

    58:05 - The instinct to belong trumps what’s true

    1:02:44 - Chasing likes versus pursuing truth

    1:05:08 - What is Peter most optimistic and most pessimistic about

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    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    1 hr and 16 mins
  • Zooko, Nate Wilcox, and Sean Bowe: Zcash
    Jan 22 2025

    My conversation with Zooko, Nate Wilcox, and Sean Bowe about the Zcash protocol.

    Zooko is a cypherpunk who co-founded Zcash along with his brother, Nate Wilcox, and others. Sean Bowe is a cryptographer and engineer who has played a crucial role in the development of Zcash and has made significant contributions to advancements in zero-knowledge proofs, particularly zk-SNARKs, which underpin Zcash’s privacy features.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Click here to support my work.

    Timestamps

    0:00 - Zooko Wilcox-O’Hearn

    0:04 - Writing the first blog post on Bitcoin ever

    6:21 - Bitcoin’s fundamental privacy flaw

    9:40 - Unstoppable private money

    12:19 - Will Zcash compete with Bitcoin as a store of value?

    14:24 - How many people are using Zcash?

    16:18 - Good security is good usability

    20:10 - Social credit systems and ubiquitous surveillance

    23:43 - Why Monero’s privacy tech can’t work

    35:21 - Integrating ZKPs into other blockchains

    39:51 - Privacy comes from money at rest, not from money in flight

    47:42 - Why did the price of ZEC fall so drastically in the beginning?

    51:49 - Zcash stablecoins?

    55:50 - Quantum threats to Zcash

    1:02:50 - Encrypted love notes in the blockchain'

    1:07:07 - Privacy enabled cultural trends

    1:12:43 - Nate Wilcox

    1:14:38 - Why do you need privacy if you have nothing to hide?

    1:16:16 - A brief history of Zcash

    1:22:42 - Why does Zcash have opt-in privacy?

    1:26:55 - Does Zcash still rely on a trusted setup?

    1:30:49 - Upgrading the Zcash protocol to Hybrid PoW/PoS

    1:40:50 - A bug that almost killed Zcash

    1:52:40 - Zcash’s funding model

    2:09:09 - Why can’t privacy be added as an L2?

    2:14:35 - Scaling Zcash and making it more interoperable

    2:23:16 - Shielded Labs

    2:24:39 - Nate’s vision for Zcash

    2:27:53 - Sean Bowe

    2:32:53 - Censorship resistance is a spectrum

    2:35:26 - Will privacy coins be banned?

    2:37:49 - Privacy and scalability

    2:41:47 - Programmable money

    2:43:31 - Summary of Sean’s contributions to the field of cryptography

    2:55:17 - Zcash might get privacy against quantum adversaries for free

    3:00:14 - Halo

    3:05:34 - What Sean’s working on right now

    3:11:54 - What has influenced Sean’s thinking in cryptography the most?

    3:13:36 - Being a high school dropout working in crypto

    3:15:08 - Zcash is just getting started

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    Follow Nate on X.

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    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    3 hrs and 21 mins
  • Naval Ravikant: The Beginning of Infinity
    Dec 18 2024

    My conversation with Naval Ravikant. Enjoy!

    Watch on YouTube or X. Listen on Apple Podcasts or Spotify.

    Click here to support my work.

    Timestamps

    0:00 - The Theory of Everything

    4:48 - How do you know what’s true?

    7:51 - Groups search for consensus, individuals search for truth

    13:07 - We have never run out of a single resource

    15:25 - Are we destroying the Earth?

    17:48 - Marxism denies wealth creation

    21:28 - Regulation kills innovation

    27:05 - Degrowth and the fall of Western universities

    33:31 - Why the West is best

    35:47 - Federalism

    38:10 - Everyone wants to live forever

    41:44 - Humans are universal explainers

    43:25 - Collectivism vs. individualism

    50:44 - You cannot explain the universe without explaining humans

    55:02 - How David Deutsch’s ideas have changed Naval’s life

    1:02:31 - The scientific method isn’t possible

    1:05:07 - The low-hanging fruit theory is a bad explanation

    1:08:19 - The biggest threats to Western civilization

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    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    1 hr and 14 mins
  • David Deutsch: The Era of Man, Popper, and Western Civilization
    Nov 11 2024

    I had the pleasure of sitting down with David Deutsch in his lovely garden in Oxford a few months ago. Here’s our conversation.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Click here to support my work.

    Timestamps

    1:01 - A tragic view of human history

    7:04 - Why did it take so long for civilization to arise?

    13:31 - Fallibilism

    21:32 - Cultural relativism denies improvement

    24:03 - Richard Dawkins and indigenous ways of knowing

    26:49 - Chemical scum that dream of distant quasars

    31:38 - The era of man

    37:55 - People are unlike any other force of nature

    42:51 - The dangers of regulating AI

    48:09 - Are we running out of resources?

    54:21 - Everything in existing educational theory is wrong

    1:11:30 - When David met Richard Feynman

    1:17:33 - Everyone is a Popperian

    1:20:16 - Only progress is sustainable

    1:26:00 - The biggest threat to Western civilization

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    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    1 hr and 29 mins
  • #35 – Julian Barbour and Samuel Kuypers: The Nature of Time
    Sep 15 2024

    Julian Barbour is a renowned physicist known for his groundbreaking work on the nature of time. In his influential books, The End of Time and The Janus Point he explores the concept of a timeless universe, challenging traditional views.

    Samuel Kuypers is a theoretical physicist, currently located in Montréal, who is interested in the foundations of quantum theory and time.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Click here to support my work. You can also send me bitcoin to this address.

    Timestamps

    1:10 - The instant is not in time, time is in the instant

    6:27 - Time capsules and evidence of time passing

    9:22 - Newton’s view of absolute time and space

    18:46 - Shape dynamics

    24:33 - Mathematics of variety

    37:51 - Newton’s theory as a theory of creation

    56:23 - How shape dynamics relates to general relativity

    1:06:50 - Entropy and heat death of the universe

    1:28:13 - Free will and determinism

    1:33:22 - Carpe diem

    1:34:13 - Julian’s interest in Shakespeare

    1:40:54 - Question from David Deutsch about quantum theory

    1:48:56 - Question from Brett Hall about general relativity and QT

    1:51:51 - Final remarks



    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    1 hr and 55 mins
  • #34 – Nat Eliason: Crypto Confidential, Writing, and The Future of Work
    Jul 26 2024

    Click here to support my work. You can also send me bitcoin to this address.

    Nat Eliason is a writer and crypto insider with a wildly popular newsletter and podcast. He is the author of the book Crypto Confidential: Winning and Losing Millions in the New Frontier of Finance.

    Topics we discuss are well captured by the timestamps below.

    Watch on YouTube or X. Listen on Apple Podcasts, Spotify, or any other podcast platform. Follow me on X for updates on future episodes.

    Timestamps

    0:49 - Ayn Rand

    6:40 - The transition from writing online to writing a book

    12:26 - Marketing Crypto Confidential

    16:43 - Writing for the modern world

    21:20 - Come for the money, stay for the tech

    26:49 - Decentralized social media

    30:19 - Don’t be someone’s exit liquidity!

    34:39 - The value of authenticity

    36:39 - The advantages of being pseudonymous

    39:19 - Constraints can help us be creative

    42:53 - Is note-taking valuable?

    46:02 - The future of work

    50:11 - Strava for writing

    53:49 - What idea sounds crazy today but will be mainstream in 5-10 years?

    1:01:00 - Why Nat doesn’t use shampoo and other conventional health products

    Follow Nat on X: http://x.com/nateliason

    Get Nat’s book Crypto Confidential: https://www.amazon.com/gp/product/0593714040



    This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit www.arjunkhemani.com
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    1 hr and 3 mins