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
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Castle Island Ventures Podcasts
Up close and personal with the real people behind the hits and misses in Boston's venture capital big time.
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1
Michael Bentley (Euler) on Euler's Comeback (EP.650)
46:28
46:28
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46:28
Wyatt sits down with Michael Bentley, the founder of Euler. In this episode: Euler's founding story, infamous security incident, and comeback story How the team and protocol stayed together in the face of immense challenges The value of personal relationships in crypto despite a pseudonymous culture
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Weekly Roundup 07/25/25 (Tether’s GENIUS options, Defending Free Banks, Saylor’s Stretch) (EP.649)
37:06
37:06
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37:06
Matt and Nic are back with another week of news and deals. In this episode: Defending “Free Banking” from the critics – and why stablecoins are unlike free banks The American Bankers Association doesn’t like new crypto charters Tether CEO Paolo Ardoino announces the company’s plan to launch a new US-based stablecoin this year Strategy announced the…
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Cyrus Shirazi (Haven) on Better Bookkeeping for Crypto Startups & Beyond (EP.648)
32:18
32:18
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32:18
Cyrus Shirazi, CEO of Haven joins the show. In this episode: R&D tax credits and offering an attractive tax product to early stage companies What on-chain finance needs to fulfill becoming a better ledger for accounting What startups should look for in a tax & accounting partner
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Weekly Roundup 07/18/25 (GENIUS is Law, Clarity passes, narrow banking and GENIUS) (EP.647)
36:44
36:44
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36:44
Matt and Nic are back for another week of news and deals. In this episode: The Coldplay concert incident It’s Crypto Week in Washington Talos acquires Coin Metrics Do you need an MTL to run a fantasy football league? GENIUS Act is law pending Trump’s signature Clarity Act passes the House Pump.fun ICO Fairshake raises $141m Grayscale is preparing f…
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Nikhil Raghuveera (Predicate) on Policy Engines for Blockchains (EP.646)
34:21
34:21
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34:21
Wyatt sits down with Nikhil Raghuveera of Predicate to talk policy for blockchain applications. In this episode: How Predicate’s “rules for blockchain transactions” are making on-chain finance more scalable and secure Creating more compliant stablecoin transfer systems suitable to mass financial use cases The future of secure money movement How lea…
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Weekly Roundup 07/11/25 (New BTC ATH, Crypto Week, Zelensky suit scandal) (EP.645)
34:45
34:45
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34:45
Matt and Nic are back for another week of news and deals. In this episode: Bitcoin hits a new ATH and no one is talking about it Grok goes haywire The White House posts chudjak Core Weave looks to buy Core Scientific Stablecoins are going to pay yield anyway Did Zelenskyy wear a suit? How should prediction markets be settled? Pump.fun ICO is coming…
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Zac Townsend (Meanwhile) on Bitcoin Life Insurance (EP.644)
29:29
29:29
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29:29
Zac Townsend, the founder and CEO of Meanwhile, joins the show. In this episode we discuss: Zac’s background and the path that led him to start Meanwhile. The mechanics of Bitcoin denominated life insurance. How Meanwhile generates Bitcoin yield. Zac’s views on the evolution of Bitcoin treasury companies. To learn more about Meanwhile visit meanwhi…
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Charles Hamel (Opera MiniPay) on Globalizing Dollar Access (EP.643)
21:41
21:41
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21:41
Charles Hamel, Product Director at Opera's MiniPay, joins the show. In this episode: Stablecoin habits in emerging markets Prospects for local stablecoins What’s next on the stablecoin horizon
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Weekly Roundup 07/04/25 (Tokenized stocks, Crypto Week, BBB passes) (EP.642)
36:34
36:34
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36:34
Matt and Nic are back for another week of news and deals. In this episode: EthCC troubles Robinhood has been shipping Figma owns BTC The House GOP has declared "crypto week" in July Circle and Ripple are applying for bank charters AI companies are buying Bitcoin miners Sharia finance The BBB passes America teeters towards default The Sohan Parekh f…
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Chris Maurice (Yellow Card) on Stablecoin Adoption in Africa (EP.641)
37:11
37:11
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37:11
Chris Maurice, founder of Yellow Card, a pan-Africa stablecoin business and exchange, rejoins the show. In this episode: How Chris feels about the crypto space in 2025 as compared to when he started a decade ago How Yellow Card evolved from being a retail BTC exchange to being an enterprise payment platform for stablecoins How Chris realized that s…
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Bernardo Bilotta (Stables Money) on Stablecoin Fintech in APAC (EP.640)
32:12
32:12
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32:12
Wyatt sits down with Bernando Bilotta, founder of Stables.money. In this episode: Stablecoin usage in APAC, for saving, spending, and beyond Retail adoption that bleeds into institutional adoption The forward-looking path for stablecoin finance
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Weekly Roundup 06/27/25 (Bitcoin for mortages, Fiserv adopts stables, Fed drops reputation risk) (EP.639)
37:00
37:00
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37:00
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 F…
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Josh Frank (The Tie) on Crypto Market Intelligence (EP.638)
39:27
39:27
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39:27
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 yea…
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Luca Prosperi (M0) on a Universal Stablecoin Platform (EP.637)
42:52
42:52
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42:52
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 opi…
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Weekly Roundup 06/20/25 (GENIUS passes, Nobitex Hack, FUD dice retrospective) (EP.636)
37:49
37:49
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37:49
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 st…
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Santi Alvarado (XFX) on Improving FX for Stablecoins (EP.635)
15:56
15:56
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15:56
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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Greg Genega (KPMG) on Crypto Auditing (EP.634)
22:51
22:51
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22:51
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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Weekly Roundup 06/13/25 (Stripe buys Privy, Stablecoin FUD, Rogue Traders) (EP.633)
35:00
35:00
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35:00
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 infa…
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Weekly Roundup 06/06/25 (Circle IPO, Singapore rules, Trump wallet?) (EP.632)
27:59
27:59
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27:59
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 w…
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Isha Varshney (Celo) on Stablecoin Adoption Across Markets (EP.631)
33:47
33:47
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33:47
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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Weekly Roundup 05/30/25 (Bitcoin Access Vehicles, GME buys BTC, Pangea Fund) (EP.630)
22:24
22:24
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22:24
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 downs…
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Anthony Yim (Artemis) on Stablecoin Payments from the Ground Up (EP.629)
25:44
25:44
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25:44
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…
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Markus Franke and Denney Kwok (Mento Labs) on Stablecoins for FX (EP.628)
38:49
38:49
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38:49
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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Weekly Roundup 05/23/25 (Genius Cloture, Sui hack, $Trump dinner) (EP.627)
33:31
33:31
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33:31
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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Andrew MacKenzie (Agant) on British Pound Stablecoins (EP.626)
30:50
30:50
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30:50
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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