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On The Brink with Castle Island

Castle Island Ventures
Bitcoin
Ethereum
Web3
Coinbase
Decentralization
Blockchain Technology
Stablecoins
Cryptocurrency
Crypto
Bitcoin ETF
Capsule
CASA
DYNAMIC
Tether
Artificial Intelligence
Fileverse
Elizabeth Warren
Layer Two Roll-Ups
Fairshake PAC
Privacy In Blockchain

Hosts Matt Walsh and Nic Carter of Castle Island Ventures explore news and deals in the public blockchain space and talk to some of the leading experts in the industry. Learn more and stay up to date at CastleIsland.vc and follow on twitter @CastleIslandVC

PublishesDailyEpisodes676Founded6 years ago
Number of ListenersCategories
BusinessInvestingTechnology

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Latest Episodes

Wyatt sits down with Felipe Montealegre and Noah Goldberg of Theia Capital, a fund investing actively in liquid crypto tokens with strong fundamentals. In this episode:

• What drives crypto market valuations? Fundamentals or supply of capital?

... more

Matt and Nic are back for another week of news and deals. In this episode: 

• The SEC approves generic listing standards for cryptoassets

• Gensler loses a year’s worth of text messages

• BoE wants to limit stablecoin exposure to £20k

• Tether ... more

Walt joins the podcast to discuss the current state of Bitcoin and what is investable in and around the Bitcoin ecosystem. In this episode:

• Austrian economics and Bitcoin

• Bitcoin's strengths and limitations when it comes to innovation and dur... more

Matt and Nic are back for another week of news and deals. In this episode:

• We reminisce about the fork wars

• Figure goes public

• Gemini is slated to list

• The Winklevoss Quintenz drama rumbles on

• DAT updates

• CLARITY updates

• The fi... more

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Recent Guests

Walt Smith
Investor and thought leader in the Bitcoin and crypto space
Standard Crypto
Episode: Walt Smith (Standard Crypto) on VC Investing in Bitcoin (EP.666)
Austin Federa
Co-founder of DoubleZero
DoubleZero
Episode: Austin Federa (DoubleZero) on Building a Better Internet (EP.664)
Daniel Lev
Founder of Coinflow
Coinflow
Episode: Daniel Lev (Coinflow) on Stablecoin Payments (EP.662)
Sandy Kaul
Head of Digital Assets at Franklin Templeton
Franklin Templeton
Episode: Sandy Kaul (Franklin Templeton) on Onchain Asset Management (EP.660)
Luke Xie
Founder of SatLayer, a Bitcoin economic layer focused on yield generation in DeFi
SatLayer
Episode: Luke Xie (SatLayer) on The Next Generation of Bitcoin Yield (EP.657)
Huff Haas
Founder of Pear Protocol, discussing crypto market cycles and trading strategies
Pear Protocol
Episode: Weekly Roundup 08/15/25 (DAT fine print, stablecoin L1s, banks vs stables) (EP.656)
Huf Haus
Founder of Pear Protocol, with a background in trading and equity markets
Pear Protocol
Episode: Huf Haus (Pear Protocol) on Trading Strategies Across Crypto Cycles (EP.655)
Sid Powell
Founder of Maple
Maple
Episode: Sid Powell (Maple) on Maple's Comeback & DeFi Credit Markets (EP.652)
Zac Townsend
Founder of Meanwhile, focused on Bitcoin life insurance.
Meanwhile
Episode: Zac Townsend (Meanwhile) on Bitcoin Life Insurance (EP.644)

Hosts

Matt Walsh
Co-host and Partner at Castle Island Ventures, Matt Walsh brings insights from his extensive experience in venture capital and blockchain investments.
Nic Carter
Co-host and Partner at Castle Island Ventures, Nic Carter is known for his expertise in cryptocurrency and blockchain technology, frequently sharing insights on industry dynamics.

Reviews

4.8 out of 5 stars from 553 ratings
  • Used to be good

    bleh

    Apple Podcasts
    4
    kfixbwhdisa
    United Statesa month ago
  • Used to be good

    Nic’s amoral embrace of all things AI strikes me as particularly soulless. And shameless. Very useful to him no doubt but on the human level, appalling. I am disgusted.

    Apple Podcasts
    1
    kfixbwhdisa
    United States4 months ago
  • Solid information

    I’ve really grown into Nic and Matt and am a big fan of their delivery.

    Very consistent, nic is definitely my favorite crypto “ journalist “

    Apple Podcasts
    5
    xxflightbenefitsxx
    United States5 months ago
  • Like the show, but you guys sometimes go into areas you don’t know anything about

    I really enjoy your podcast. I do. But, I find it is interesting that you guys are veering into politics because one person is pandering to you. Can’t believe you didn’t watch the last debate and you are commenting on it. Really?

    You are doing the exact same thing you criticize mainstream media for. It’s pretty clear you are just riffing based on something you’ve heard second or third hand and it makes you guys seem less credible. Do better and follow your own advice.

    Jan 6 is disqualifying b... more

    Apple Podcasts
    4
    Jack-222
    United Statesa year ago
  • An unimportant country

    The English man declared on this podcast today that Ireland was an “unimportant country”

    Yet the country he immigrated to can proudly say 23 of their presidents trade their roots back to ireland

    There is even a day set aside for it sometime in march - I’m sure he’s aware of it.

    I could continue to explain how on numerous fronts, just how important Ireland is strategically to the states but as we all know trying to explain this to an English man is like talking to the wall.

    Much love from I... more

    Apple Podcasts
    1
    Sim Boats
    United Kingdoma year ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Some criticism exists regarding the hosts' forays into non-crypto topics, with listeners urging more focus on relevant subject matter.
There is appreciation for the quality of content, especially regarding updates in the crypto market and regulatory insights.
Listeners appreciate the insightful analysis and the balance of humor with serious topics, highlighting the engaging dynamics between the hosts.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Walt Smith (Standard Crypto) on VC Investing in Bitcoin (EP.666)
Q: What do you think is investible or can be new in and around Bitcoin?
Walt discusses the potential of proof of work and proof of stake as foundational designs for networks but is skeptical about top-down approaches like UBI.
Walt Smith (Standard Crypto) on VC Investing in Bitcoin (EP.666)
Q: So how did you get into Bitcoin and crypto?
Walt shares that he initially thought about going to med school but found his interest in economics, which led him to study Austrian economics and discover Bitcoin during his time at Grove City College.
Luke Xie (SatLayer) on The Next Generation of Bitcoin Yield (EP.657)
Q: How do you perceive the perception of Bitcoin among different cultural backgrounds?
Asian institutions are more pragmatic with Bitcoin, actively deploying into Bitcoin DeFi, while Western institutions tend to adopt a wait-and-see approach.
Luke Xie (SatLayer) on The Next Generation of Bitcoin Yield (EP.657)
Q: What are your views on future yield generation for Bitcoin?
Yield generation sources for Bitcoin can evolve significantly, with opportunities to borrow and lend Bitcoin more effectively as DeFi develops.
Nathan McCauley on Anchorage Digital Prime and Stablecoin White-Label (EP.654)
Q: What are your thoughts on the conviction related to Roman Storm?
There's cognitive dissonance in the case as it contrasts with a generally positive environment for crypto, indicating a potential for appeal.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About On The Brink with Castle Island

What is On The Brink with Castle Island about and what kind of topics does it cover?

Exploring the dynamic landscape of blockchain technology, this podcast features engaging discussions on the latest news and developments within the cryptocurrency sector. Co-hosts share insights into significant market trends, delve into financial innovations, and interview prominent experts who provide perspectives on regulatory changes and industry advancements. Content often combines substantive analysis with a light-hearted approach, making complex subjects accessible and enjoyable for listeners interested in finance, investing, and technology. The podcast notably balances technical details with general market commentary, making it appealing to both seasoned professionals and newcomers to the blockchain space.

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Which podcasts are similar to On The Brink with Castle Island?

These podcasts share a similar audience with On The Brink with Castle Island:

1. Empire
2. Unchained
3. The Breakdown
4. Bankless
5. Supply Shock

How many episodes of On The Brink with Castle Island are there?

On The Brink with Castle Island launched 6 years ago and published 676 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 On The Brink with Castle Island?

Recent guests on On The Brink with Castle Island include:

1. Walt Smith
2. Austin Federa
3. Daniel Lev
4. Sandy Kaul
5. Luke Xie
6. Huff Haas
7. Huf Haus
8. Sid Powell

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