On The Brink with Castle Island

Latest Episodes:

Adam Healy (Station 70) and Josh Schwartz (Fordefi) on failover MPC wallets (EP.621) May 08, 2025

Show notes

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 Station 70

Learn more about Fordefi

David Taylor (Etherfuse) on Non-USD Stablecoins (EP.620) May 07, 2025

Show notes

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

Justin and Hannah (Asymmetry Finance) on Stablecoins, Yield, & Risk in DeFi (EP.619) May 05, 2025

Show notes

Wyatt sits down with Justin and Hannah of Asymmetry Finance. In this episode, we cover:

The evolution of yield in DeFi
Primitives users want
Crypto risk assessment

Learn more about Asymmetry

Weekly Roundup 05/02/25 (OP_RETURN wars, Mastercard and Visa push stables, quantum revisited) (EP.618) May 02, 2025

Show notes

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
Arizona passes an SBR bill
Cambridge releases a new report on bitcoin mining
Bitcoiners are fighting about OP_RETURN again
What is Bittensor

Content mentioned:

US Treasury, Report on Digital Money
Coindesk, Inside Movement's Token-Dump Scandal: Secret Contracts, Shadow Advisers and Hidden Middlemen
Cambridge Center for Alternative Finance, Cambridge Digital Mining Industry Report: Global Operations, Sentiment, and Energy Use

Kedian Sun (Level Money) on Stablecoin Expansion in DeFi (EP.617) Apr 29, 2025

Show notes

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

Weekly Roundup 04/25/25 (Decoupling, Fed Rescinds guidance, 21 Capital) (EP.616) Apr 25, 2025

Show notes

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

Weekly Roundup 04/18/25 (Signature Postmortem, Mantra collapse, Powell on stablecoins) (EP.615) Apr 18, 2025

Show notes

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 of Homeland Security has launched a probe into Anchorage, the digital asset custodian, related to the company's AML polices
Jerome Powell reiterates his support for stablecoin legislation
Strategy (and others) buy more Bitcoin

Content mentioned in this episode:

Galaxy Digital, The State of Crypto Lending
Nic Carter in Piratewires, Signature Didn't Have to Die, Either

Fred Hsu and Michael Ho (D3) on Creating Efficient Domain Name Markets (EP.614) Apr 16, 2025

Show notes

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

Yuval Rooz and Eric Saraniecki (Digital Asset) on the Canton Network (EP.613) Apr 15, 2025

Show notes

Yuval Rooz and Eric Saraniecki, co-founders of Digital Asset join the show. In this episode we discuss:

The origins of Digital Asset and the path to starting the firm.
Views on privacy in the context of public blockchains.
How enterprises and financial institutions are approaching tokenizing assets and leveraging blockchain technology.
Examples of how on-chain privacy enables use cases in collateral management and stablecoin payments.
The role of the Canton Network public blockchain for enabling institutional use cases.
How Canton Network works from a design perspective.

To learn more:

Weekly Roundup 04/11/25 (Tether's new stablecoin, Signature, dedollarization, DoJ disbands crypto team) (EP.612) Apr 11, 2025

Show notes

Matt and Nic are back with another week of news and deals. In this episode:

Is dedollarization happening?
The SEC's Division of Corporate Finance released a "Statement on Stablecoins"
The US Justice Department has disbanded its National Cryptocurrency Enforcement team
The SEC releases new guidance on securities offerings in crypto markets
FDIC Chair relaxes rules on crypto activities at banks
Paul Atkins is confirmed
The SEC has approved options trading for spot ETH ETFs
Tether is exploring a US stablecoin
Janover is doing a Microstrategy for SOL strategy
Michelle Bowman is launching a review of the Fed's failures in 2023 around the banking crisis
What happened to Signature?
Matt's critter situation

Content mentioned:

SEC, Offerings and Registrations of Securities in the Crypto Asset Markets

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