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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

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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40:02

Justin and Hannah (Asymmetry Finance) on Stablecoins,...

On The Brink with Castle Island ·

2025/05/05

Wyatt sits down with Justin Garland and Hannah JoJo of Asymmetry Finance. In this episode, we cover: The evolution of yield in DeFi Primitives users want Crypto risk assessment Learn more about Asymmetry

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33:46

Weekly Roundup 05/02/25 (OP_RETURN wars, Mastercard...

On The Brink with Castle Island ·

2025/05/02

Matt and Nic are back with another week of news and deals. In this episode: Will stablecoins disrupt credit cards? The US Treasury Advisory Committee drops a report on stablecoins Mastercard and Visa launch stablecoin integrations Movement labs has more scandals Are quantum timelines accelerating? The real risk of quantum to Bitcoin Could a quantum break fix Bitcoin’s security budget? Are any Bitcoin purists left? Circle turns down Ripple’s acquisition offer Machinsky is facing a 20-year sentence

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30:34

Kedian Sun (Level Money) on Stablecoin Expansion in...

On The Brink with Castle Island ·

2025/04/29

Wyatt sits down with Kedian Sun, the founder of Level Money. In this episode: Stablecoin usage in DeFi today Fiat-backed stablecoins vs other "stable" assets Ethereum vs other blockchains for stablecoins

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27:16

Weekly Roundup 04/25/25 (Decoupling, Fed Rescinds...

On The Brink with Castle Island ·

2025/04/25

Matt and Nic are back for another week of news and deals. In this episode: Is Bitcoin decoupling? The Fed rescinds anti-crypto letters from 2022 and 2023 Upexi raises $100m PIPE to invest in Solana Cantor, Tether, Softbank and Bitfinex inject $3.6b into 21 Capital, a Bitcoin acquisition vehicle Bitcoin ETFs versus bitcoin acquisition companies Trump is hosting a dinner for $TRUMP holders Charles Schwab wants to launch crypto trading Citi thinks stablecoins could reach $3.7T in supply by 2030

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39:16

Weekly Roundup 04/18/25 (Signature Postmortem, Mantra...

On The Brink with Castle Island ·

2025/04/18

Matt and Nic are back with another week of news and deals. In this episode: We recap Nic’s article on why Signature collapsed Crypto exchange OKX announced their plans to expand to the US Kraken announced that US equities are now supported on the exchange MANTRA, a layer 1 network focused on RWAs, saw the price of its native token crash 90% in a matter of hours Global Payments agreed to acquire Worldpay, a payments processor, for $24 billion from FIS and private equity firm GTCR The US Department

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32:04

Fred Hsu and Michael Ho (D3) on Creating Efficient...

On The Brink with Castle Island ·

2025/04/16

Wyatt sits down with Fred Hsu and Michael Ho of D3 to talk domain markets. In this episode: The existing domain name industry and legacy systems An interoperable marketplace for domains New financial promitives around domains and RWAs More about D3

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206 results

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