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PODCAST

On The Brink with Castle Island

Castle Island Ventures

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

business investing

All Episodes

37:00

Weekly Roundup 06/27/25 (Bitcoin for mortages, Fiserv...

On The Brink with Castle Island ·

2025/06/27

Matt and Nic are back for another week of news and deals. In this episode: Golden age of prediction markets NYC mayor’s election What’s happening with Canton? The FHFA says crypto can be a qualifying asset for mortages Our thoughts on the market structure bill The significance of the Fiserv stablecoin pilot $500m public access vehicle for BNB The Fed drops reputational risk in bank supervision EO for debanking is rumored Kraken HQ is moving to Wyoming Texas buys Bitcoin Will banking hours be

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39:27

Josh Frank (The Tie) on Crypto Market Intelligence...

On The Brink with Castle Island ·

2025/06/26

Josh Frank, the founder and CEO of The Tie joins the show. In this episode we discuss: The origin story behind The Tie and how Josh approached founding the business. The digital asset data market. How sentiment data has evolved in the digital asset industry. The buy-side landscape for digital assets and how Josh sees that evolving in the coming years. The Canton Network and how The Tie is working with this new protocol. To learn more about The Tie visit their website.

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42:52

Luca Prosperi (M0) on a Universal Stablecoin Platform...

On The Brink with Castle Island ·

2025/06/23

Ria sits down with Luca Prosperi, CEO and Co-Founder of M0, a universal stablecoin platform that enables customization while preserving interoperability across assets. In this episode, we cover: Lessons from MakerDAO Drawing inspiration from the dual banking system Building a base asset that is decentralized, permissionless and ossified Issuing opinionated assets via wrapping and extensions while maintaining interoperability

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37:49

Weekly Roundup 06/20/25 (GENIUS passes, Nobitex Hack,...

On The Brink with Castle Island ·

2025/06/20

Matt and Nic are back for another week of news and deals. In this episode: The GENIUS Act passes the Senate Should GENIUS be stapled to market structure? Bessent thinks stablecoins could be $3.7T by 2030 Stablecoin FUD Will stablecoins destabilize the US Treasury market JPM's stablecoin FUDs JPMD's deposit token will launch on Base The future of stablecoin yield in the US Circle hits a $50b market cap Yellowcard partners with Visa in Africa Kraken will launch a token for their Ink L2 Are Walmart

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15:56

Santi Alvarado (XFX) on Improving FX for Stablecoins...

On The Brink with Castle Island ·

2025/06/19

Sean is joined by Santi Alvarado, CEO/Co-Founder of XFX, to cover their seed raise and how money moves cross border. In this episode: Background of Santi and how he made his way into crypto How legacy FX settlement operates today How XFX enables more liquidity for cross border payment companies

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22:51

Greg Genega (KPMG) on Crypto Auditing (EP.634)

On The Brink with Castle Island ·

2025/06/18

Wyatt is joined by Greg Genega, Digital Asset and Blockchain leader at KPMG, for a conversation on the state of crypto auditing. In this episode: How KPMG works with crypto companies and protocols Relevant new innovations in the crypto space What to look out for as a new founder

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35:00

Weekly Roundup 06/13/25 (Stripe buys Privy,...

On The Brink with Castle Island ·

2025/06/13

Matt and Nic are back for another week of news and deals. In this episode: Stripe acquires wallet infrastructure company Privy for an undisclosed sum Fireblocks’ stablecoin data Stablecoin FUD Were mnemonic phrases a local maxima? Bullish and Gemini have filed preliminary paperwork for IPOs Soc Gen is launching a USD stablecoin We look at some infamous rogue traders Gamestop’s bitcoin strategy is a flop DTCC is looking at issuing a stablecoin

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27:59

Weekly Roundup 06/06/25 (Circle IPO, Singapore rules,...

On The Brink with Castle Island ·

2025/06/06

Matt and Nic are back for another week of news and deals. In this episode: Circle goes public and has an explosive first day The IPO window is open Circle’s vision for CPN Pump.fun is launching a token Will pump.fun cannibalize Solana? JPM will let clients use Bitcoin ETFs as collateral Strategy introduces new offerings Magic Eden’s strange Trump wallet app announcement Truth Social Bitcoin ETF A K Pop Bitcoin access vehicle Korea’s cultural renaissance Singapore’s abrupt change in posture

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33:47

Isha Varshney (Celo) on Stablecoin Adoption Across...

On The Brink with Castle Island ·

2025/06/04

Wyatt sits down with Isha Varshney from the Celo Foundation to talk stablecoins. Covered in this episode: Payments in Kenya and Sub-Saharan Africa Stablecoin usage and USDT The future of non-stable tokens

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22:24

Weekly Roundup 05/30/25 (Bitcoin Access Vehicles, GME...

On The Brink with Castle Island ·

2025/05/30

Matt and Nic are back with another week of news and deals. In this episode: Warning signs for the Bitcoin access vehicles? Has Bitcoin lost the MoE battle? Is OCP 2.0 over? The Dept of Labor rescinds their anti-crypto 401k guidance Cantor Fitzgerald is launching a bitcoin/gold fund Is it mathematically possible to give Bitcoin upside and gold downside? Content mentioned: Stablecoin.fyi

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25:44

Anthony Yim (Artemis) on Stablecoin Payments from the...

On The Brink with Castle Island ·

2025/05/29

We sit down with Anthony Yim, Artemis cofounder, to talk about the latest report from Artemis, CIV, and Dragonfly, providing brand new estimates of stablecoin payments volume. In this episode: Why we decided to work on the new report How we obtained the estimates Why we decided to put together a bottom-up estimate Stablecoin b2b volumes compared to traditional b2b How do you measure stablecoin transactions? Download the report at stablecoin.fyi

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38:49

Markus Franke and Denney Kwok (Mento Labs) on...

On The Brink with Castle Island ·

2025/05/26

Markus Franke and Denney Kwok from Mento Labs join the show. In this episode: Non-USD stablecoins On-chain FX Microlending and financing for emerging markets

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33:31

Weekly Roundup 05/23/25 (Genius Cloture, Sui hack,...

On The Brink with Castle Island ·

2025/05/23

Matt and Nic are back for another week of news and deals. In this episode: Trump’s crypto dinner reviewed Bitcoin access vehicles NYT stablecoin coverage Sui is hacked and censors the blockchain Kraken is launching tokenized stocks Circle in acquisition talks The GENIUS Act passes Cloture in the Senate Hong Kong passes stablecoin legislation

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30:50

Andrew MacKenzie (Agant) on British Pound Stablecoins...

On The Brink with Castle Island ·

2025/05/21

Wyatt sits down with Andrew MacKenzie, founder of Agant, the issuer of GBPA, a pound sterling stablecoin. In this episode: The potential emergence of non-USD stablecoins The prospect of a GBP-backed stablecoin The British crypto regulatory environment How global financial institutions are positioning around stablecoins

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40:53

Weekly Roundup 05/16/25 (GENIUS is back, Coinbase...

On The Brink with Castle Island ·

2025/05/16

Matt and Nic are back with another week of news and deals. In this episode: Why is Boston such a good sports city? Price inflation in dinosaur skeletons Cryptopunks IP is sold Machinsky is sentenced Nakamoto Holdings launches Meta wants to add stablecoins to its platforms Exchanges are honeypots for KYC data Coinbase suffers a data breach The GENIUS act is going to a vote next week GENIUS act new provisions More Movement shenanigans Thailand is launching a $150m crypto token Content mentioned in

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39:25

Alex Cutler (Aerodrome) on DeFi’s Next Steps (EP.624)

On The Brink with Castle Island ·

2025/05/14

Wyatt sits down with Alex Cutler, founder of Aerodrome for another episode in our stablefi series. In this episode: DEX trading advantages Building on-chain FX DeFi as a backbone

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32:48

TN (Pendle) on Stable Yield (EP.623)

On The Brink with Castle Island ·

2025/05/12

Wyatt sits down with TN, cofounder of Pendle. Covered in this episode: How Pendle works The evolution from alt yield to stable yield DeFi's future core assets

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28:28

Weekly Roundup 05/09/25 (GENIUS stalls, Coinbase buys...

On The Brink with Castle Island ·

2025/05/09

Matt and Nic are back with another week of news and deals. In this episode: We have a new Pope The etymology of ampersand The GENIUS act collapses spectacularly Coinbase consummates its acquisition of Deribit Did World Liberty Financial’s USD1 torpedo the GENIUS act? Did “pro crypto” democrats snake on the industry Scott Bessent thinks stablecoins could reach $2T The OCC says banks can provide crypto custody and execution Stripe is launching stablecoin financial accounts The SEC explores a sandbox

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35:07

Adam Healy (Station 70) and Josh Schwartz (Fordefi)...

On The Brink with Castle Island ·

2025/05/08

Adam Healy, co-founder of Station 70 and Josh Schwartz, co-founder of Fordefi join the show. In this episode we discuss: The collaboration between Station 70 and Fordefi on failover MPC wallets. Announcement here. The state of the wallet category Best practices for blockchain cybersecurity The future of bank custody for digital assets Station 70’s Bunker product Station 70 and Fordefi are holding a joint webinar to showcase this product collaboration. You can register here. Learn more about

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41:24

David Taylor (Etherfuse) on Non-USD Stablecoins (EP.620)

On The Brink with Castle Island ·

2025/05/07

Wyatt sits down with David Taylor of Etherfuse. In this episode: MXN stablecoins and other currencies Shaping regulatory frameworks Who wins out: innovators vs financial incumbents

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