
On The Brink with Castle Island
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
Latest episodes

Jul 15, 2024 • 26min
Chris Duffus (Fonbnk) on Airtime as Digital Money (EP.545)
Chris Duffus, Founder & CEO of Fonbnk, discusses stablecoin usage in emerging markets, alternative money onramping methods, and the use of airtime as digital value storage. The conversation also touches on the impact of gaming assets, promoting digital asset adoption, and PhoneBank's role in enabling commerce for Web3.

Jul 12, 2024 • 32min
Weekly Roundup 07/12/24 (Crypto in the GOP platform, Uniswap vs SEC, SEC v Paxos ends) (EP.544)
In this podcast, they discuss Germany selling Bitcoin, chaos in Brussels, crypto in the GOP platform, SEC vs Uniswap, SEC dropping investigation into Paxos, Ro Khanna's crypto summit, Euros and Copa America developments.

13 snips
Jul 11, 2024 • 27min
Adam Levine on the Fireblocks Global Custodian Partner Program (EP.543)
Adam Levine from Fireblocks discusses the evolution of MPC custody, the Fireblocks Global Custodian Partner Program, tokenization, stablecoins, and views on the regulatory landscape in the crypto space.

Jul 8, 2024 • 47min
Leo Zhang (Alkimiya) on creating a market for Bitcoin blockspace (EP.542)
Leo Zhang, Founder of Alkimiya, discusses creating a market for Bitcoin blockspace, the evolution of Alkimiya, the decision to build on Base, Bitcoin season 2, and the effect of Bitcoin L2s on fees. They explore the cultural shift in Bitcoin, maximizing views, and the fee-transaction count feedback loop.

Jul 4, 2024 • 49min
Weekly Roundup 07/04/24 (Chevron overturned, prediction markets, revisiting Silvergate) (EP.541)
Topics include importance of prediction markets in elections, SCOTUS repeal of Chevron affecting crypto, SEC lawsuits against ConsenSys and more, Euro stable popularity, Silvergate scandal, Polkadot spending habits, Blackrock's IBIT in global fund, SEC's new website, and Stoner Cats retrospect

Jun 28, 2024 • 39min
Weekly Roundup 06/28/24 (Solana ETF, Coinbase sues FDIC, SCOTUS vs SEC) (EP.540)
Topics discussed include BTC mining FUD turning into AI FUD, Solana ETF filing by Vaneck, Coinbase suing FDIC and SEC, SCOTUS limiting SEC's power, State Street's partnership with Galaxy Digital, US reps visiting imprisoned Binance exec in Nigeria, and Germany selling Bitcoin. Also mentioned are Abra settling with regulators, AI energy consumption, government crackdown on crypto industry, and concerns expressed in industry groups' white paper.

12 snips
Jun 26, 2024 • 42min
Adam Healy (Station 70) on Digital Asset Cybersecurity (EP.539)
Adam Healy, co-founder of Station 70, discusses digital asset custody evolution, MPC technology, cybersecurity best practices, threat vectors, and market structure changes with more banks entering the space. They explore nation-state cyberattacks, essential security measures, and Station 70's focus on wallet backup key security and disaster recovery solutions in the digital asset industry.

Jun 21, 2024 • 37min
Weekly Roundup 06/21/24 (Certik v Kraken, Trump’s memecoin, Paul Ryan op-ed) (EP.538)
This podcast discusses Certik's shift in security stance, the DJT memecoin scandal involving Martin Shkreli, Barron Trump's ties to the memecoin project, and Paul Ryan's stablecoin op-ed. Topics also include the impact of celebrities on memecoins, the support of bankers for crypto, and the dynamics of token valuation in the crypto industry.

14 snips
Jun 17, 2024 • 28min
Edward Woodford (Zero Hash) on Digital Asset Infrastructure (EP.537)
Edward Woodford, Founder and CEO of Zero Hash, discusses the emergence of stablecoins and how Zero Hash is navigating regulatory challenges in the digital asset space. They explore the impact of tokenized US dollars, 24/7 trading facilitated by stablecoins, and the potential transformation of capital markets.

Jun 14, 2024 • 39min
Weekly Roundup 06/14/24 (Nigeria v Binance, Terraform settles with SEC, Are Dems pivoting on Crypto?) (EP.536)
On the podcast, they discuss Biden's stance on accepting crypto donations, GameStop's financial moves, Martin Shkreli vs PleasrDAO, and Terraform settling with the SEC. They also touch on crypto holders donating coins to Biden, Democrats pivoting on crypto, and a tweet thread dissecting by Rep Sean Casten.
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