Bill Spence and Gregory Beard on The Real Story Behind Stronghold (EP.288)
On The Brink with Castle Island
Release Date: 02/21/2022
Nathan McCauley on Anchorage Digital Prime and Stablecoin White-Label (EP.654)
On The Brink with Castle Island
, the founder and CEO of joins the show. In this episode we discuss: The passage of The Genius Act and the impact it will have on the digital asset industry. The launch of Anchorage’s white label stablecoin issuance platform. Anchorage Digital Prime and how the company is working with its customers on trade execution, lending and custody. The status of the market structure bill. The Roman Storm case. To learn more about visit their . Follow Nathan on . See also:
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Weekly Roundup 08/08/25 (Debanking EO, Storm Verdict, RMB stables) (EP.653)
On The Brink with Castle Island
Matt and Nic are back for another week of news and deals. In this episode: What’s wrong with NYC? China bans Bitcoin for the 15th time Is China really lauching an RMB stablecoin? We dissect the Trump debanking EO OpenAI releases GPT5 SEC: Liquid staking tokens are not securities Roman Storm is found guilty on one of three counts Hester Peirce’s speech on financial privacy How should we solve debanking? Will stablecoins replace bank wires? Is AI going to reveal the identity of Satoshi Further reading: Hester Peirce, Nic on Substack,
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Sid Powell (Maple) on Maple's Comeback & DeFi Credit Markets (EP.652)
On The Brink with Castle Island
CEO and cofounder joins the show to talk about Maple's huge year so far. In this episode: Syrup and Maple's evolution into an on-chain asset manager Traditional credit players servicing on-chain finance DeFi's strengths and weaknesses relative to traditional markets
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Weekly Roundup 08/01/25 (SEC’s Project Crypto, In-kind ETFs, White House report) (EP.651)
On The Brink with Castle Island
Matt and Nic are back for another week of news and deals. In this episode: The White House publishes their highly awaited crypto report SEC Chair Paul Atkins makes a landmark speech Stablecoin-focused L1s DAT mNAV premia are converging to 1 Figma IPO The SEC embraces tokenized securities, airdrops, token issuance, and DeFi In-kind create and redeem has been authorized for Bitcoin ETFs JPM deepens their partnership with Coinbase Roman Storm verdict is imminent Further reading: Blockworks’ Omid Malekan and Zach Pandl, White House, Paul Atkins, Nic Carter,
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Michael Bentley (Euler) on Euler's Comeback (EP.650)
On The Brink with Castle Island
Wyatt sits down with , the founder of . In this episode: Euler's founding story, infamous security incident, and comeback story How the team and protocol stayed together in the face of immense challenges The value of personal relationships in crypto despite a pseudonymous culture
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Weekly Roundup 07/25/25 (Tether’s GENIUS options, Defending Free Banks, Saylor’s Stretch) (EP.649)
On The Brink with Castle Island
Matt and Nic are back with another week of news and deals. In this episode: Defending “Free Banking” from the critics – and why stablecoins are unlike free banks The American Bankers Association doesn’t like new crypto charters Tether CEO Paolo Ardoino announces the company’s plan to launch a new US-based stablecoin this year Strategy announced the plans for the fourth preferred stock offering this week, STRC, or "Stretch." Anchorage Digital, which does hold an OCC banking charter, is a new stablecoin issuance platform. The first stablecoin product will...
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Cyrus Shirazi (Haven) on Better Bookkeeping for Crypto Startups & Beyond (EP.648)
On The Brink with Castle Island
CEO of joins the show. In this episode: R&D tax credits and offering an attractive tax product to early stage companies What on-chain finance needs to fulfill becoming a better ledger for accounting What startups should look for in a tax & accounting partner
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Weekly Roundup 07/18/25 (GENIUS is Law, Clarity passes, narrow banking and GENIUS) (EP.647)
On The Brink with Castle Island
Matt and Nic are back for another week of news and deals. In this episode: The Coldplay concert incident It’s Crypto Week in Washington Talos acquires Coin Metrics Do you need an MTL to run a fantasy football league? GENIUS Act is law pending Trump’s signature Clarity Act passes the House ICO Fairshake raises $141m Grayscale is preparing for an IPO Adam Back’s Bitcoin access vehicle Polymarket beats the allegations Is GENIUS creating a narrow bank system? Governor Waller's comments on stablecoins and banks
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Nikhil Raghuveera (Predicate) on Policy Engines for Blockchains (EP.646)
On The Brink with Castle Island
Wyatt sits down with of to talk policy for blockchain applications. In this episode: How Predicate’s “rules for blockchain transactions” are making on-chain finance more scalable and secure Creating more compliant stablecoin transfer systems suitable to mass financial use cases The future of secure money movement How leading software and financial firms can integrate transaction policies in their workflows
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Weekly Roundup 07/11/25 (New BTC ATH, Crypto Week, Zelensky suit scandal) (EP.645)
On The Brink with Castle Island
Matt and Nic are back for another week of news and deals. In this episode: Bitcoin hits a new ATH and no one is talking about it Grok goes haywire The White House posts chudjak Core Weave looks to buy Core Scientific Stablecoins are going to pay yield anyway Did Zelenskyy wear a suit? How should prediction markets be settled? ICO is coming up Hester Peirce issues a warning on tokenized securities Crypto Week in Congress is coming up Jonathan Gould has been confirmed as Comptroller of the Currency There are new public access vehicles Andreessen wants you to leave Delaware A fundamental...
info_outlineCo-chairman of Stronghold Digital Mining Bill Spence and CEO Gregory Beard join the show. Stronghold is a vertically integrated Bitcoin miner that uses waste coal to power their operations – while also remediating this environmentally damaging product. We dive into this fascinating, and counter-intuitive story. In this episode:
- Backgrounds of the co-chairmen and how they found the intersection of Bitcoin mining and coal waste mitigation
- Bill’s personal commitment to the mitigation of coal waste
- Why coal waste has been accumulating in PA since the late 1700s
- The immense scale of the coal waste and how it continue to affect PA, even though mining no longer occurs
- How unremediated coal waste can be understood as a form of class warfare
- Why coal waste exists in the first place
- Why developments in power plant technology meant that coal waste could be safely combusted
- Why aboveground coal waste oxidizes and releases CO2 anyway - as well as other harmful particulates
- Why growing grass over the coal waste doesn’t solve the problem
- Why 2 billion tons of coal waste can’t just be moved into landfills
- How there are 800 sites in PA and 70 of them are currently on fire
- Why Stronghold is vertically integrated, and the advantage this grants them in mining Bitcoin
- How Stronghold sends power to the grid in the case of a shortage
- Has Stronghold evaluated other high energy intensity loads aside from just Bitcoin
- Why Bitcoin is a more suitable load for their energy resources than others
- How Bitcoin allows Stronghold to keep their power available at short notice
- Stronghold’s reaction to criticism in the press and from Washington
- Why nothing had been done about the coal waste for 100 years before Stronghold came along Is the future of Bitcoin mining vertical integration?
Sponsor notes:
- Compass Mining is the world's first and largest online marketplace for bitcoin mining hardware, hosting, and ASIC reselling. Start mining your own bitcoin by visiting compassmining.io