
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

Aug 31, 2023 • 33min
Weekly Roundup 09/01/23 (SEC loses vs Grayscale, Impact Theory implications) (EP.447)
Tether's interventionist actions and regulatory immunity, SEC's court loss to Grayscale and its future implications, lack of reported deals in cryptocurrency industry and SEC's ongoing litigation with Binance

Aug 25, 2023 • 32min
Weekly Roundup 08/25/23 (Coinbase v Circle, Tornado Cash indictment, chat app tokens) (EP.446)
Topics discussed include: Bitcoin halving, Republican Presidential debate, Coinbase and Circle relationship, challenges faced by USDC, Tornado Cash founders charged, defense strategy in the case, and Adderall debate in prison.

Aug 21, 2023 • 30min
Darshan Vaidya (Credora) on Risk Management and Credit Markets (EP.445)
Darshan Vaidya, founder of Credora, discusses the crypto credit markets, risk management in tradfi versus crypto markets, and Credora's approach to protect customers from idiosyncratic risk. They also talk about the challenges and solutions in accessing credit in the crypto market, scalability and transparency in capital deployment, the need for more banks and regulatory clarity in the industry, and the profit motive for banks in the crypto market.

Aug 18, 2023 • 41min
Weekly Roundup 08/18/23 (Stablecoins offshoring, Better Markets oddity, more Prometheum) (EP.444)
In this episode, Matt and Nic discuss the geographic distribution of USDC and USDT, the dollarization of blockchains, Helium's phone plan, SBF heading to jail, the fine imposed by Dubai regulators on OPNX, Argentina's Libertarian presidential candidate, the need for a new theme song for the SEC, the ongoing Prometheum saga, Better Market's situation, Coinbase's approval to offer Bitcoin and ETH futures, and the settlement between FTX and Genesis.

Aug 11, 2023 • 51min
Weekly Roundup 08/11/23 (PayPal's stablecoin, the Fed's oversight program, Ryan Salame emerges) (EP.443)
Matt and Nic are back with more news and deals. In this episode: Matt's op-ed in Coindesk SAB121 is still bad SEC scope creep We investigate PayPal's stablecoin Why would PayPal want to issue a stablecoin? What does PYUSD mean for Operation Choke Point for 2.0? Why PYUSD is being launched on Ethereum Crypto as a flashpoint for state versus federal banking oversight The Fed's new crypto oversight program Banks still can't issue stablecoins in the US Ryan Salame reemerges What will become of Ryan Salame's restaurant empire? SBF will indeed be prosecuted on campaign finance violations SBF's trial will not be televised LK-99 did NOT replicate Content mentioned in this episode: Matt in Coindesk, Congress, Not the SEC, Should Set U.S. Digital Asset Policy Zach Wong, A comprehensive explanation of SAB 121 and how it prevents safe crypto custody Sponsor notes: Coin Metrics STATE OF THE NETWORK: DeFi’s Double Edged Sword - Unpacking the Features & Risks of DeFi Lending In our new special insights report, we utilize a balance sheet like methodology to contextualize the health of DeFi lending protocols through the lens of two recent exploits on Aave and Curve Finance

Aug 4, 2023 • 42min
Weekly Roundup 08/04/23 (SEC vs HEX, Base and BALD, Curve hacked) (EP.442)
Matt and Nic are back for more deals and news. In this episode: Nic's early Do Kwon experience Reflecting back on Terra/Luna The SEC charges Richard Heart and HEX Is the SEC's case against Richard Heart flimsy? Does the SEC deserve praise for coming after HEX? Kyle Davies thinks he's immune from prosecution because he gave up his US citizenship Who's behind the BALD rugpull? Implications of the Curve hack We look at Tether's asset portfolio Kenya suspends Worldcoin operations in the country Is there an account firm choke point? Ethereum future ETFs are filed Judge Rakoff dissents from the Torres doctrine Content mentioned: CIV white paper on Cryptodollars Sponsor notes: STATE OF THE NETWORK: Decoding the Digital Dollar — Unraveling the Risks of Stablecoins In our new special insights report, CM lays out the key fragilities of stablecoins and how on-chain and market data can help monitor these risks for the future of digital dollars to materialize

Jul 28, 2023 • 37min
Weekly Roundup 07/28/23 (Market Structure bill advances, stablecoin catch-22, debanking in the UK) (EP.441)
Matt and Nic are back with another week of news and deals. In this episode: Nic's issues editing the show Why Washington is attacking PoR Why Big 4 audit firms aren't working on PoR The Financial Innovation and Technology in the 21st Century bill (FIT) passes out of committee in the House Six Democrats defect and support the bill The Stablecoin bill reaches an impasse because the White House Why stablecoins being limited to the banks is a paradox The SEC settles with Quantstamp SBF gets a gag order because he released Caroline Ellison's diaries SBF did actually pay for his legal defense with stolen FTX customer money The UK gets embroiled in a banking scandal due to Nigel Farage We digest the room temperature ambient pressure superconductor news Nic's pickleball injury Content mentioned: Nic in Fortune, The crypto industry is embracing self regulation. It’s time Washington gets on board Kathleen Breitman in Fortune, Ben McKenzie needs a hug: The ‘OC’ star’s crypto book is an ill-informed flop Sponsor notes: Coin Metrics STATE OF THE NETWORK - From Orange Groves to Orange Gold In this special edition of State of the Network, we are excited to share a new report that translates the legal language of securities framework for digital assets into objective, measurable criteria from “on-chain” data

Jul 26, 2023 • 52min
Richard Meissner (Safe) on Account Abstraction Adoption and Barriers (EP.440)
In this episode, we hosted Richard Meissner, CTO of Safe, to illuminate the state of adoption of smart contract wallets following the roll out of ERC-4337 (an effort to standardize account abstraction on Ethereum). Our conversation covers: The limitations of smart contract wallets in a multi-chain universe Account recovery and hybrid custody using traditional institutions Combining account abstraction with intents and AI Worldcoin's use of Safes and adoption of smart contract accounts Find additional content by Safe on account abstraction here.

Jul 21, 2023 • 49min
Weekly Roundup 07/21/23 (Nasdaq reconsiders custody, the Torres doctrine) (EP.439)
Matt and Nic are back with more deals and news. In this episode: Was XRP discovered or created? The saga of Otter 841 Matt’s wildlife trouble More SAB121 chaos Rep Ritchie Torres sends Gensler a tough letter What is the Torres Doctrine? Terraform labs has a new CEO Our theories for why Nasdaq pulled the plug on their crypto custody business The IRS is auditing the crypto rich in PR We bring back our triple threat segment Content mentioned Matt’s thread on SAB121 Bloomberg’s profile on Customers Bank We enjoyed the Fidelity Digital Assets Q2 Signals Report. BitMEX Research had a thoughtful article about Gary Gensler's CFTC days Kathleen Breitman in Fortune, Ben McKenzie needs a Hug Sponsor notes: Coin Metrics’ State of the Network: Currents Shift After SEC v. Ripple Summary Judgment In this issue of State of the Network, we provide a data-driven overview of digital asset markets after a milestone ruling in SEC v. Ripple case

Jul 14, 2023 • 39min
Weekly Roundup 07/14/23 (Ripple gets a W, Machinsky arrested, PoR in federal legislation) (EP.438)
Matt and Nic are back with a huge week in the markets. In this episode: Ripple gets a key win in their summary judgment versus the SEC Implications for XRP holders Implications for exchanges and other tokens Prometheum’s denials about their ties to the CCP don’t hold water How Prometheum is a Potemkin platform Alex Machinsky has been arrested Arkham’s tokensale and doxing snafu The Lummis Gillebrand bill gets a facelift and incorporates PoR The prospects for the Lummis Gillebrand bill Updates on the piping plovers Why Threads isn’t going to make it Sponsor notes: Coin Metrics’ State of the Network: Spot On - From Trusts to Spot ETFs In this issue of State of the Network, we dive deeper into Grayscale’s trusts and discuss the evolution of the digital assets investment landscape with the anticipated arrival of spot ETF’s
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