Michel Rauchs (Cambridge Center for Alternative Finance) on quantifying Bitcoin's energy use (EP.232)
On The Brink with Castle Island
Release Date: 07/26/2021
Weekly Roundup 12/27/24 (Tether x Rumble, quantum threat, End of year predictions) (EP.587)
On The Brink with Castle Island
Matt and Nic are back for an end of year episode. In this episode: Tether invests $775m in Rumble Who are the Rumble shareholders in Trump's admin? Microstrategy seeks approval for more Bitcoin buying We review the quantum risk to Bitcoin Matt and Nic's predictions for 2025 Sponsor notes: Coin Metrics, In Coin Metrics State of the Network Issue 291, we revisit major stories that shaped the digital asset industry in 2024 with a data-driven lens
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Janusz and Red (Bitcoin Layers) on Bitcoin Season 2 (EP.586)
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and from join the show. In this episode: Innovation on Bitcoin, previously and now Technology vs consumer adoption The future of BTC use cases More about
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Weekly Roundup 12/20/24 (No SBR?, Prometheum, Crenshaw) (EP.585)
On The Brink with Castle Island
Matt and Nic are back with another week of news and deals. In this episode: Nic comes out against the SBR on Bloomberg More Prometheum nonsense MicroStrategy an additional 15,350 BTC for roughly $1.5 billion, bringing the company's total holdings to 439,000 BTC. Microstrategy was also to the Nasdaq 100 this week, which will lead to the stock's inclusion in several large ETFs including Invesco's QQQ. Anchorage Digital has New York BitLicense approval, enabling them to offer digital asset custody and trading services to more customers in the state such as RIAs and other...
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Alex Lin (Reforge) on On-chain Innovation & Consumer Use Cases (EP.584)
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Wyatt sits down with . In this episode: Alex’s interdisciplinary road into crypto Innovation in blockchain infrastructure Crypto-powered consumer applications Learn more about a blockchain and frontier tech investment firm.
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Rodrigo Seira (Cooley) and Ron Hammond (Blockchain Association) on Digital Asset Policy in 2025 (EP.583)
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Rodrigo Seira, Special Counsel at and Ron Hammond, Director of Government Relations at join the show. In this episode we discuss: The 2024 election and the impact of the crypto vote. Executive branch actions to keep an eye on in 2025. Potential SEC related actions that would impact the digital asset market. The future of Staff Accounting Bulletin 121. Where digital asset legislation fits into the 2025 legislative priorities. Stablecoin legislation. Market structure legislation. To learn more about Cooley visit: To learn more about The Blockchain Association visit:
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Weekly Roundup 12/13/24 (French Hill, Circle x Binance, more OCP2.0) (EP582)
On The Brink with Castle Island
Matt and Nic are back with another week of news and deals. In this episode: French Hill wins the nomination to chair the House Financial Services Committee Riot Platforms, a bitcoin mining company, the intention to raise $500 million via a convertible note offering. The proceeds will be used to acquire additional bitcoins, and for general corporate purposes. MicroStrategy another 21,550 bitcoin for roughly $2.1 billion. Circle and Binance a partnership with the goal of expanding the reach of Circle's USDC stablecoin across Binance's trading, saving, and payments platforms....
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Matthew Le Merle and Mitch Mechigian (Blockchain Coinvestors) on Predictions for 2025 (EP.581)
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Matthew Le Merle and Mitch Mechigian of Blockchain Coinvestors return to the show. In this episode we run through the Blockchain Coinvestors 2025 Predictions for the digital asset industry. To learn more about Blockchain Coinvestors visit their . To view the full Blockchain Coinvestors 2025 Predictions webinar visit this .
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Weekly Roundup 12/06/24 (Bitcoin $100k, Atkins for SEC, more OCP2.0) (EP. 580)
On The Brink with Castle Island
Matt and Nic are back for another week of news and deals. In this episode: Bitcoin finally hits $100k Our reflections on 100k BTC Declaring victory Machinsky pleads guilty Rep French Hill pledges to investigate Operation Choke Point Trump nominates Paul Atkins for SEC Chair Hawk Tuah memecoin fiasco Sponsor notes: Coin Metrics State of the Network: Contextualizing staking yields, inflation, and network economics on Ethereum & Solana
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Lorien Gabel (Figment) on the Latest Developments in the Staking Market (EP.579)
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Lorien Gabel, the founder and CEO of joins the show. In this episode we discuss: The latest developments at Figment. Post-election impact on the general crypto markets and the staking category. How Figment is approaching the institutional staking market opportunity. Staking in the context of investment products. Evolving ecosystems like Eigen Layer, Babylon and Bitcoin Layers 2s. The stablecoin market. To learn more about Figment visit
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Weekly Roundup 11/28/24 (OFAC loses vs Tornado, Cantor owns some Tether, More OCP2.0, Who we’re thankful for) (EP.578)
On The Brink with Castle Island
Matt and Nic are back for another Thanksgiving episode of OTB. In this episode: Fire departments love thanksgiving Who we’re thankful for Eggnog is underrated Justin Sun puts $30m into World Liberty Financial Marc Andreessen appears on Joe Rogan and covers OCP 2.0 Why were non crypto tech peopled shocked by Choke Point revelations? Trump is looking to shift power from the SEC to the CFTC An appeals court rules that OFAC exceeded its authority by sanctioning Tornado Cash Cantor owns a 5% ownership stake in Tether that they acquired at a $12b valuation How prudent is the establishment of a...
info_outlineWe welcome Michel Rauchs, research affiliate and longtime contributor to the Cambridge Center for Alternative Finance which just released an update its Bitcoin Electricity Consumption Index featuring new mining location data. Covered in this episode:
- Why Michel returned to the Cambridge Center for Alternative Finance
- The evolution of the CCAF's miner benchmarking efforts
- The original motivation for the Bitcoin Energy Index
- The relationship between the CCAF and Cambridge University
- How to estimate energy consumption from hashrate figures
- The meaning of the confidence interval in the electricity consumption figures
- How CCAF amassed the CBECI mining map
- Is the pool sample for the mining map representative?
- Methodological drawbacks with miner location assessment
- Why the CCAF is still reluctant to determine a carbon emissions figure for Bitcoin
- New evidence regarding the seasonal hashrate migration
- Is the Chinese crackdown going to lower the carbon intensity of the Bitcoin network?
- Is country-level granularity sufficient to determine the energy mix of mining?
- How the CCAF devised comparisons between the Bitcoin network and other consumers of energy
- Does Bitcoin get held to a different standard than other industries?
- Michel's experience talking to the press about Bitcoin energy consumption
- Has the narrative changed in the press at all?
- Michel's level of optimism regarding the decarbonization of Bitcoin mining
This episode supported by:
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