On The Brink with Castle Island

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**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:

Isha Varshney (Celo) on Stablecoin Adoption Across Markets (EP.631) Jun 04, 2025

Show notes

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

Weekly Roundup 05/30/25 (Bitcoin Access Vehicles, GME buys BTC, Pangea Fund) (EP.630) May 30, 2025

Show notes

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 downside?

Content mentioned:

Stablecoin.fyi

Anthony Yim (Artemis) on Stablecoin Payments from the Ground Up (EP.629) May 29, 2025

Show notes

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 traditional b2b
How do you measure stablecoin transactions?

Download the report at stablecoin.fyi

Markus Franke and Denney Kwok (Mento Labs) on Stablecoins for FX (EP.628) May 26, 2025

Show notes

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

Weekly Roundup 05/23/25 (Genius Cloture, Sui hack, $Trump dinner) (EP.627) May 23, 2025

Show notes

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

Andrew MacKenzie (Agant) on British Pound Stablecoins (EP.626) May 21, 2025

Show notes

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

Weekly Roundup 05/16/25 (GENIUS is back, Coinbase data breach, Big Tech stables) (EP.625) May 16, 2025

Show notes

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

Why is Boston such a good sports city?
Price inflation in dinosaur skeletons
Cryptopunks IP is sold
Machinsky is sentenced
Nakamoto Holdings launches
Meta wants to add stablecoins to its platforms
Exchanges are honeypots for KYC data
Coinbase suffers a data breach
The GENIUS act is going to a vote next week
GENIUS act new provisions
More Movement shenanigans
Thailand is launching a $150m crypto token

Content mentioned in this episode:

Tuongvy Le and Austin Campbell published a paper, "Crypto and The Evolution of Capital Markets", which dissects the current market structure for securities trading and settlement and discusses how blockchain networks can improve this architecture.