On The Brink with Castle Island

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

688 episodes On The Brink with Castle Island Updated 2026-06-18
688 episodes in On The Brink with Castle Island
2022-05-02

Paul Prager (TeraWulf) Building a Zero Carbon Bitcoin Miner (EP.315)

TeraWulf cofounder and CEO Paul Prager joins us to talk about his experi…
2022-04-29

Weekly Roundup 04/29/22 (Elon buys Twitter, CAF Legalizes Bitcoin, Fidel…

Matt and Nic are back with news and deals of the week, joined by Dave Gr…
2022-04-27

Bruce Fenton on running for Senate in New Hampshire (EP.313)

Longtime Bitcoiner Bruce Fenton re-joins the show. In this episode we di…
2022-04-25

Pat Larsen (ZenLedger) on the State of Crypto Taxes (EP.312)

Pat Larsen, founder and CEO of crypto tax prep company ZenLedger, joins …
2022-04-22

Weekly Roundup 04/22/22 (Elon's Twitter purchase, the US sanctions BitRi…

Matt and Nic return for another week of news and deals. In this episode:…
2022-04-20

Adam Jackson (Braintrust) on Building a Web3 Talent Network (EP.310)

Adam Jackson, co-founder and CEO of Braintrust, a web3 talent network jo…
2022-04-18

Josh Mandel on Running on a Pro Bitcoin Platform (EP.309)

We sit down with Ohio Senate Candidate Josh Mandel to cover his race, pl…
2022-04-15

Weekly Roundup 04/14/22 (FDIC stalls bank crypto activity, Bitcoin 2022 …

Matt and Nic return for a post-conference episode. This week we cover:  …
2022-04-14

John Adler (Fuel Labs, Celestia) on building the fastest modular executi…

In the second episode in our modular blockchain mini-series, we sat down…
2022-04-13

Paolo Fragomeni (Socket Supply Co) on the Definition of web3 (EP.306)

Socket Supply Co founder and CEO Paolo Fragomeni joins the show to discu…
2022-04-11

Andrew Myers and Brock Peterson (Satoshi Energy) on Monetizing Renewable…

Andrew Myers and Brock Petersen of Satoshi Energy join the show to cover…
2022-04-01

Weekly Roundup (04/01/22) (Greenpeace and Chris Larsen attack Bitcoin, …

Nic and Matt return for another week of news and deals. In this episode:…
2022-03-30

Ben Gagnon (Bitfarms) on Separating Fact from Fiction in Bitcoin Mining …

Ben Gagnon, the Chief Mining Officer at Bitfarms, joins the show. In thi…
2022-03-28

Michael Sonnenshein and Craig Salm (Grayscale) on the GBTC ETF Applicati…

Michael Sonnenshein and Craig Salm of Grayscale Investments join the sho…
2022-03-25

Weekly Roundup 03/25/22 (Terra buying BTC, a new ETF timeline, Russia ac…

Matt and Nic return for more deals and news. In this episode:  Brink Na…
2022-03-23

Jon Birnbaum (Domain Money) on Increasing Access for Retail Investors (E…

Jon Birnbaum, COO of Domain Money, a new investment platform, joins the …
2022-03-21

Nick White (Celestia) on building the first modular blockchain network (…

Celestia Labs COO, Nick White, joins us on the show to kick off our modu…
2022-03-18

Weekly Roundup 03/18/22 (EU PoW ban defeated, Lummis bill details, Ukrai…

Matt and Nic return for more news and deals of the week. In this episode…
2022-03-17

Brett Harrison (FTX.US) on Crypto Market Structure (EP.298)

Brett Harrison, the CEO of FTX.US joins the show. In this episode we dis…
2022-03-14

Izabella Kaminska (The Blind Spot) on Reconsidering Bitcoin Skepticism (…

Former FT Alphaville Editor and founder of The Blind Spot, Izabella Kami…
2022-03-11

Weekly Roundup 03/11/22 (Biden’s executive order, Korea’s pro-crypto Pre…

Nic and Matt return for more deals and news of the week. In this episode…
2022-03-10

VÉRITÉ and Vanessa on empowering artists to be CEOs of their own world (…

Singer and songwriter, VÉRITÉ (Kelsey Byrne), and artist manager, Vaness…
2022-03-07

Sohrob Farudi on Fan Controlled Football (EP.294)

Sohrob Farudi, the founder and CEO of Fan Controlled Football joins the …
2022-03-04

Weekly Roundup 03/04/22 (Sanctions chaos, Ukraine's crypto fundraiser, r…

Nic and Matt return for another wild week. In this episode:  OTB theme …