Brannin McBee (Core Weave) on moving from GPU mining to specialized compute (EP.258)
On The Brink with Castle Island
Release Date: 11/10/2021
Fred Hsu and Michael Ho (D3) on Creating Efficient Domain Name Markets (EP.614)
On The Brink with Castle Island
Wyatt sits down with Fred Hsu and Michael Ho of to talk domain markets. In this episode: The existing domain name industry and legacy systems An interoperable marketplace for domains New financial promitives around domains and RWAs
info_outline
Yuval Rooz and Eric Saraniecki (Digital Asset) on the Canton Network (EP.613)
On The Brink with Castle Island
Yuval Rooz and Eric Saraniecki, co-founders of Digital Asset join the show. In this episode we discuss: The origins of Digital Asset and the path to starting the firm. Views on privacy in the context of public blockchains. How enterprises and financial institutions are approaching tokenizing assets and leveraging blockchain technology. Examples of how on-chain privacy enables use cases in collateral management and stablecoin payments. The role of the Canton Network public blockchain for enabling institutional use cases. How Canton Network works from a design perspective. To learn...
info_outline
Weekly Roundup 04/11/25 (Tether’s new stablecoin, Signature, dedollarization, DoJ disbands crypto team) (EP.612)
On The Brink with Castle Island
Matt and Nic are back with another week of news and deals. In this episode: Is dedollarization happening? The SEC's Division of Corporate Finance released a "" The US Justice Department has its National Cryptocurrency Enforcement team The SEC releases new guidance on securities offerings in crypto markets FDIC Chair relaxes rules on crypto activities at banks Paul Atkins is confirmed The SEC has approved options trading for spot ETH ETFs Tether is exploring a US stablecoin Janover is doing a Microstrategy for SOL strategy Michelle Bowman is launching a review...
info_outline
Wyatt Lonergan and Juan Lopez (Vaneck Ventures) on Stablecoin Adoption and The Institutionalization of Crypto (EP.611)
On The Brink with Castle Island
and of join the show to talk stablecoins and institutionalization. In this episode, we cover: The landscape of stablecoin growth and activity A world with many stablecoins vs few stablecoins Winning/losing companies in the new stablecoin era Impact on the longer tail of altcoins
info_outline
Hoolie Tejwani (Coinbase) on The Evolution of Coinbase Ventures (EP.610)
On The Brink with Castle Island
, the head of Coinbase Ventures joins the show. In this episode we discuss: The history and rationale behind the launch of Coinbase Ventures. The evolution of the crypto venture category. Areas of focus for Coinbase Ventures. Stablecoins, Crypto/AI and consumer startup category. The regulatory landscape in the United States. Operation Chokepoint 2.0 and the impact on startups. The rise of the Coinbase Mafia. To learn more visit
info_outline
Weekly Roundup 04/03/25 (Circle S1, Tariffs, Galaxy settles, BitMEX pardons) (EP.609)
On The Brink with Castle Island
Matt and Nic are back for another week of news and deals. In this episode: What’s the deal with the tariffs? Are the tariffs 4D chess? STABLE Act advances from committee Galaxy settles with the NYAG for touting Luna Trump pardons the BitMEX founders Coinlist returns to the US FDUSD has a depeg amidst Justin Sun drama Fidelity launches a no-fee crypto IRA product Larry Fink is bullish bitcoin Content mentioned:
info_outline
Alexei Zamyatin (Build on Bitcoin) on True Rollups on Bitcoin (EP.608)
On The Brink with Castle Island
, the cofounder of (BOB), joins the show to talk about the state of the art in Bitcoin Rollups. In this episode: Can Bitcoin achieve parity with Ethereum rollups? How BitVM and BitVMv2 changed the game for Bitcoin rollups When will Bitcoin rollups be considered “Stage 1” Ethereum’s existential crisis Bitcoin fees in a rollup world The risk of L2s cannibalizing Bitcoin Will Bitcoin DeFi look different from Ethereum DeFi? Why Bitcoin deserves Rollups What soft forks is Alexei looking forward to? Does institutionalization ossify Bitcoin? BOB’s progress and roadmap for 2025 Learn...
info_outline
Weekly Roundup 03/28/25 (MiCA Stablecoins, Gamestop, Hyperliquid) (EP.607)
On The Brink with Castle Island
Matt and Nic return for another week of news and deals. In this episode: We reflect on our podcast with Paolo Ardoino The EU’s MiCA rules make launching a stablecoin virtually impossible We explain the Ghiblification crazy OCC removes Reputation risk from bank supervision World Liberty Fi launches a stablecoin Hyperliquid suffers an exploit - are they decentralized? Fidelity is exploring the launch of a stablecoin ICE is looking to use USDC Coinbase is reportedly looking to acquire Deribit US Treasury lifts sanctions on Tornado Cash Sei is looking to buy 23andme
info_outline
Paolo Ardoino (Tether) on stablecoin bills, pursuing an audit, and getting to 400m users (EP.606)
On The Brink with Castle Island
, the CEO of Tether, rejoins the show for a timely discussion. In this episode: How is Paolo feeling about political trends in the US today? Tether is the 7th-largest buyer of USTs at the sovereign level Paolo’s decision to spend more time in the US What does Paolo make of the stablecoin bills in Congress? Does Tether want to eventually come onshore to the US? Tether is pursuing a Big 4 Audit The effect of Operation Choke Point 2.0 on Tether Tether is moving their HQ to El Salvador Paolo’s thoughts on stablecoins in MiCA How does Tether get to the figure of 400m global users of the...
info_outline
Brian Foster on Coinbase’s wholesale business (EP.605)
On The Brink with Castle Island
Brian Foster, the Global Head of Wholesale at Coinbase joins the show for his second appearance. In this episode we discuss: A catch-up on the Wholesale business at Coinbase and the types of customers that are active in this market How banks and broker-dealers are accelerating their efforts post-election Perspectives on build vs. buy vs. partner decisions that are happening at banks after the repeal of SEC Staff Accounting Bulletin 121 Views on how banks will approach M&A Coinbase’s role in the digital asset ETF market How Coinbase engages with government customers Views on the...
info_outlineCore Weave cofounder and CSO Brannin McBee joins the show to talk GPU mining and high performance computation. In this episode:
- Details on the Core Weave's latest fundraise
- Core Weave's hybrid data center model which combines Ethereum mining and generalized computation
- Transitioning from just crypto mining to the specialized compute market
- Why the hyperscale cloud providers aren't always suitable for firms with specialized computation needs
- The nature and size of Core Weave's GPU and CPU fleet
- How Core Weave services clients in VFX and rendering, machine learning, and blockchain
- Why Core Weave was able to build a generalizable computational fleet
- Why the demand for VFX/rendering-based compute is accelerating
- How film studios are going from capital intensive on-prem computation to outsourcing it to cloud providers
- How Core Weave is able to achieve a high utilization rate for their GPUs
- How Core Weave is working on open sourcing GPT-3
- Why you can't access scale compute at conventional providers
- How Core Weave is managing Ethereum's transition to Proof of Stake
- When Brannin expects the final merge to occur
- How the market for GPU mining will change over time
- How NFTs are a new source of demand for large-scale compute
- Core Weave's attitude to Ethereum development
- Did Ethereum move away from some of its original principles?
- How proof of work was a strong distributive force during the early days of Ethereum
- Are miners less positively inclined towards the network now that their business model has an expiration date?
- Brannin's attitude towards MEV today
- Brannin's thoughts on Ethereum's security model as it moves towards PoS
- Does the abundance of capital make PoS more vulnerable than PoW?
- Why diseconomies of scale for electricity procurement protected PoW networks
- Why rendering PoW 'synthetic' in PoS makes it easier to pull off an attack
- How Core Weave pursues sustainability in their operations
Sponsor notes:
- This episode supported by Public.com. Start investing with as little as $1 and get a free slice of stock up to $50 when you join Public.com today. Visit public.com/onthebrink to download the app and sign up.
- This episode is brought to you by Withum, a top 25 accounting firm with a cutting-edge Digital Currency and Blockchain Technology practice. To learn more, visit withum.com/crypto.