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

On The Brink with Castle Island

Release Date: 05/02/2022

Isha Varshney (Celo) on Stablecoin Adoption Across Markets (EP.631) show art Isha Varshney (Celo) on Stablecoin Adoption Across Markets (EP.631)

On The Brink with Castle Island

Wyatt sits down with from the to talk stablecoins. Covered in this episode: Payments in Kenya and Sub-Saharan Africa Stablecoin usage and USDT The future of non-stable tokens

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

On The Brink with Castle Island

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: 

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Anthony Yim (Artemis) on Stablecoin Payments from the Ground Up (EP.629) show art Anthony Yim (Artemis) on Stablecoin Payments from the Ground Up (EP.629)

On The Brink with Castle Island

We sit down with Anthony Yim, cofounder, to talk about the 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

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Markus Franke and Denney Kwok (Mento Labs) on Stablecoins for FX (EP.628) show art Markus Franke and Denney Kwok (Mento Labs) on Stablecoins for FX (EP.628)

On The Brink with Castle Island

and from join the show. In this episode:  Non-USD stablecoins On-chain FX Microlending and financing for emerging markets

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

On The Brink with Castle Island

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

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Andrew MacKenzie (Agant) on British Pound Stablecoins (EP.626) show art Andrew MacKenzie (Agant) on British Pound Stablecoins (EP.626)

On The Brink with Castle Island

Wyatt sits down with , founder of  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

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

On The Brink with Castle Island

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, "", which...

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Alex Cutler (Aerodrome) on DeFi’s Next Steps (EP.624) show art Alex Cutler (Aerodrome) on DeFi’s Next Steps (EP.624)

On The Brink with Castle Island

Wyatt sits down with Alex Cutler, founder of for another episode in our stablefi series. In this episode:  DEX trading advantages Building on-chain FX DeFi as a backbone

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TN (Pendle) on Stable Yield (EP.623)  show art TN (Pendle) on Stable Yield (EP.623)

On The Brink with Castle Island

Wyatt sits down with TN, cofounder of . Covered in this episode:  How Pendle works The evolution from alt yield to stable yield DeFi's future core assets

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Weekly Roundup 05/09/25 (GENIUS stalls, Coinbase buys Deribit, Bessent on stables) (EP.622) show art Weekly Roundup 05/09/25 (GENIUS stalls, Coinbase buys Deribit, Bessent on stables) (EP.622)

On The Brink with Castle Island

Matt and Nic are back with another week of news and deals. In this episode: We have a new Pope The etymology of ampersand The GENIUS act collapses spectacularly Coinbase consummates its acquisition of Deribit Did World Liberty Financial’s USD1 torpedo the GENIUS act? Did “pro crypto” democrats snake on the industry Scott Bessent thinks stablecoins could reach $2T The OCC says banks can provide crypto custody and execution Stripe is launching stablecoin financial accounts The SEC explores a sandbox for tokenized securities Tariff the L2s

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More Episodes

TeraWulf cofounder and CEO Paul Prager joins us to talk about his experience building a vertically-integrated, zero carbon Bitcoin miner. In this installment of the mining miniseries we cover: 

  • Paul’s career trajectory from coal trading to energy infrastructure to Bitcoin
  • Beowulf’s deal with Marathon and their entry into Bitcoin
  • How TeraWulf distinguishes itself from other Bitcoin miners
  • Why TeraWulf has an explicit ESG focus
  • Zero carbon and how that differs from ‘carbon neutral’
  • The importance of being vertically integrated
  • How Paul thinks about the halvings and how that affects their business
  • TeraWulf’s facility in upstate NY
  • Paul’s views on NY State’s approach to Bitcoin mining
  • How the Bitcoin mining industry struggles with proactive messaging
  • TeraWulf’s 300 MW nuclear-powered facility in Pennsylvania
  • Why Bitcoin is synergistic with nuclear power
  • The prospects for nuclear bitcoin mining
  • TeraWulf’s zero-carbon approach and how that manages risk
  • TeraWulf’s plans for growing their hashrate under management
  • The characteristics that TeraWulf looks for in new sites
  • Will Bitcoin miners develop better transparency around emissions data?
  • Why mining is so useful for decarbonization through curtailment programs
  • The convergence between the energy sector and Bitcoin mining
  • Why vertical integration and zero carbon will prevail in Bitcoin mining long term
  • Trends in consolidation Paul expects
  • Why vertical integration allows you to manage your risk better than a hosting model
  • What public market analysts should be doing when they evaluate miners

Follow Paul on Twitter and learn more about TeraWulf