On The Brink with Castle Island
On The Brink with Castle Island is hosted by Matt Walsh and Nic Carter of Castle Island Ventures, covering news and deals in the public blockchain space and interviews with industry experts. The show has 752 episodes, released weekly with a typical length of about 35 to 40 minutes. Estimated downloads are 5,000 to 25,000 per episode, with an estimated rate of $90 to $625 per host-read mid-roll.
Weekly crypto and blockchain briefing from two seasoned venture investors
- Seven years and 752 episodes give a long, consistent archive of blockchain coverage.
- Apple Podcasts shows 288 ratings averaging 4.8 stars, a strong engaged base.
- Interviews with industry leaders attract a finance-literate audience weighing investment decisions.
Brand fit report
Content
- Formats
- news roundup, interview, co-hosted discussion
- Tone
- analytical, informed
- Language
- English
- Production
- Clean, edited audio
- Typical length
- 30 to 40 minutes
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- None yet
- Affiliate links
- No
No sponsor mentions found in the feed, and the funding links list is empty.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Titles cover regulation, hacks and market news such as 'Richard Heart apprehended' and 'Clarity fails to advance' with no explicit flag in the feed; the political tag reflects regulatory and policy coverage.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Where to listen
| Platform | Link |
|---|---|
| Website | castleisland.libsyn.com/website |
| Apple Podcasts | podcasts.apple.com/podcast/id1480586463 |
| RSS feed | castleisland.libsyn.com/rss |
Benchmark score: 86 / 100
Public rule, same for everyone. How it works.
Recent episodes
| Episode | Date | Length |
|---|---|---|
| Weekly Roundup 10/16/26 (OCC debanking report, Google's quantum advanc | 2026-10-16 | 40 min |
| Weekly Roundup 10/09/26 (Going Bunker Mode, classical ECC breaks, AI's | 2026-10-09 | 37 min |
| Esther Wong (Cashi) on Making Stablecoins Spendable (EP.743) | 2026-10-05 | 29 min |
| Weekly Roundup 10/02/26 (Fat Model Hypothesis, Agentic bank runs, Hest | 2026-10-02 | 33 min |
| Weekly Roundup 09/25/26 (Post Clarity rulemaking, Sherrod Brown is bac | 2026-09-25 | 33 min |
| Weekly Roundup 09/18/26 (Clarity fails to advance, Caroline Ellison's | 2026-09-18 | 39 min |
Last six episodes from the show's feed, latest 3 days ago, a new one about every 7 days.
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
Do you make On The Brink with Castle Island? Claim or remove this page.
About On The Brink with Castle Island
On The Brink with Castle Island is a weekly podcast hosted by Matt Walsh and Nic Carter of Castle Island Ventures, according to the show feed and Apple Podcasts. Each episode covers news and deals in the public blockchain space, and most weekly roundups run about 30 to 40 minutes. The website describes the hosts as exploring industry developments while interviewing leading experts in the field.
The show has 752 episodes and is updated semiweekly on Apple Podcasts, with 288 ratings averaging 4.8 stars. Its audience is estimated, not measured, at roughly 5,000 to 25,000 downloads per episode, likely finance and technology professionals who follow crypto markets. No sponsors are named in the feed, website or Apple listing.
An estimated host-read mid-roll sponsorship would cost roughly $90 to $625 per episode at the estimated download range. Companies in fintech, digital asset infrastructure and security tools should consider the show for targeted awareness among decision makers.
Written from the show's public RSS feed, its Podcast Index listing and episode titles. Numbers updated 2026-10-19. On The Brink with Castle Island can edit or remove this page at any time.
Questions about On The Brink with Castle Island
How much does On The Brink with Castle Island charge for a podcast sponsorship?
Based on an estimated 5,000 to 25,000 downloads per episode, a host-read mid-roll is estimated at roughly $90 to $625. Exact pricing depends on the show's own terms and is not published in the feed.
What is On The Brink with Castle Island about?
The show covers news and deals in the public blockchain space, with weekly roundups and interviews with industry experts. Hosts Matt Walsh and Nic Carter are from Castle Island Ventures.
How do I contact On The Brink with Castle Island about sponsoring an episode?
The show's contact email unlocks on Starbooked for $0.80. Boosted shows can also be booked through Starbooked.
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