

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
Episodes
Mentioned books

13 snips
Apr 2, 2025 • 53min
Alexei Zamyatin (Build on Bitcoin) on True Rollups on Bitcoin (EP.608)
In this discussion, Alexei Zamyatin, cofounder of Build on Bitcoin, dives into the evolving landscape of Bitcoin rollups. He argues whether Bitcoin can match Ethereum's rollups and breaks down how the innovative BitVM and BitVMv2 are game changers. Topics include Bitcoin's unique DeFi potential, the risks of L2s possibly overshadowing Bitcoin, and the pressing need for soft forks. Zamyatin also shares insights on BOB's roadmap for 2025, emphasizing the crucial role of technical advancements and community governance in shaping Bitcoin's future.

19 snips
Mar 28, 2025 • 32min
Weekly Roundup 03/28/25 (MiCA Stablecoins, Gamestop, Hyperliquid) (EP.607)
Matt and Nic dive into the heavy implications of the EU's MiCA rules on stablecoin launches, questioning if innovation is being stifled. The controversy surrounding Hyperliquid's exploit raises concerns about decentralization. Fidelity's interest in stablecoins and ICE's move to adopt USDC showcase an evolving financial landscape. The episode also touches on the intriguing intersection of genetic technology with business and regulations, alongside reflections on the cyclical nature of the crypto industry and its ongoing challenges.

25 snips
Mar 26, 2025 • 41min
Paolo Ardoino (Tether) on stablecoin bills, pursuing an audit, and getting to 400m users (EP.606)
Paolo Ardoino, CEO of Tether, shares insights on the stablecoin landscape and regulatory challenges. He discusses Tether's move to El Salvador and their ambition to analyze user behavior for reaching 400 million users. Ardoino highlights the impact of recent US stablecoin bills and the necessity for a Big 4 audit amid political pressures. He also addresses concerns about crypto dollarization and emphasizes Tether's strategy in diverse markets while navigating new relationships and regulations. His perspective is a blend of optimism and cautious realism.

13 snips
Mar 24, 2025 • 38min
Brian Foster on Coinbase's wholesale business (EP.605)
Brian Foster, the Global Head of Wholesale at Coinbase, shares insights into the evolving cryptocurrency landscape. He discusses how banks and broker-dealers are enhancing their crypto strategies post-election. The conversation highlights Coinbase's pivotal role in the digital asset ETF market and their engagement with government clients. Foster also delves into the implications of recent regulatory shifts and the transformative impact of stablecoins on trading and remittances. This episode offers a fascinating look at the future of institutional investment in crypto.

5 snips
Mar 21, 2025 • 40min
Weekly Roundup 03/21/25 (Trump addresses DAS, Kraken buys NinjaTrader, FIRM act advances) (EP.604)
This week explores Trump's speech at the DAS conference, addressing cryptocurrency regulations and capital gains tax. The discussion dives into Kraken's acquisition of NinjaTrader and innovative crypto projects like tokenized gold. Historical challenges faced by IOTA and the DAO's fork bring nostalgia, while the advancement of the FIRM Act raises concerns about banking regulations. The dialogue also touches on economic strategies, inflation skepticism, and the political landscape's effect on decision-making and investment.

Mar 14, 2025 • 32min
Weekly Roundup 03/14/25 (SBR is real, Trump and Binance, CZ pardon rumors) (EP.603)
Matt and Nic are back for another week of news and deals. In this episode: The Strategic Bitcoin Reserve exists Will the government buy additional Bitcoin? What does "cost neutral" mean? What's the deal with our cheese reserve Have Bitcoiners lost their libertarian origins? The OCC reverses their anti-crypto guidance Sentiment in crypto is at all time lows Is CZ seeking a pardon deal in exchange for a sale of Binance equity? Senate Banking votes to advance the Hagerty Stablecoin bill The banks are against interest-bearing stablecoins We recap the White House Crypto Summit Banks want to do crypto

20 snips
Mar 12, 2025 • 42min
Jeff Park (Bitwise) on Digital Asset Alpha Strategies (EP.602)
Jeff Park, Head of Alpha Strategies at Bitwise Asset Management, shares his extensive expertise in digital asset investment strategies. He highlights the latest innovations at Bitwise, including effective yield strategies and the role of stablecoins in the market. The conversation dives into the evolving landscape of Bitcoin yield generation and how companies like MicroStrategy are strategically adopting Bitcoin on their balance sheets. Listeners will also gain insights into the regulatory challenges and future opportunities within the crypto space.

4 snips
Mar 10, 2025 • 40min
Brandon Mulvihill (Crossover Markets) on the future of market structure in the USA (EP.601)
Brandon Mulvihill, co-founder and CEO of Crossover Markets, discusses the future of market structure in the U.S. crypto landscape. He explores how banks are adapting to regulatory changes and the emerging competition among exchanges. The conversation highlights the potential of Electronic Communication Networks for price discovery and the role of traditional institutions in the crypto space. Mulvihill also shares insights on Crossover’s growth plans, including integrating AI to enhance trading efficiency and liquidity by 2025.

Mar 7, 2025 • 35min
Weekly Roundup 03/07/25 (Crypto Reserve, Debanking Bill, Broker Rule) (EP.600)
Engaging discussions unravel the potential implications of a U.S. crypto reserve, pondering whether Bitcoin should dominate or co-exist with altcoins. The SEC's growing involvement in crypto regulation is highlighted alongside pivotal developments in fundraising trends and market dynamics. Tensions bubble between major stablecoins like Tether and Circle in Washington. A scrutiny of entrepreneurial struggles amidst these market shifts adds a personal touch, while a whimsical debate on fasting and personal challenges offers a lighter contrast to the heavy crypto discussions.

Feb 28, 2025 • 36min
Weekly Roundup 02/28/25 (Bybit Hack, SEC drops lawsuits, bank-issued stablecoins) (EP.599)
This week, the cryptocurrency world faces shockwaves from Bybit's staggering $1.48 billion hack, marking the largest breach in history. Meanwhile, new regulations see the SEC abandoning lawsuits against major platforms like Coinbase and Robinhood. The debut of a yield-bearing stablecoin approved by the SEC raises eyebrows, as does Bank of America's potential entry into the stablecoin market. Additionally, MicroStrategy's bold Bitcoin investment and discussions around the implications of the Bank Secrecy Act on DeFi highlight the evolving landscape of finance.


