Sam Wyner and Sal Ternullo (KPMG) on making blockchain data intelligible for institutions (EP.104)
On The Brink with Castle Island
Release Date: 07/22/2020
Weekly Roundup 01/16/26 (CLARITY problems, InfoFi Dead, CA Wealth Tax, Kontigo) (EP.696)
On The Brink with Castle Island
Matt and Nic are back after a week off. In this episode: The Clarity market structure bill markup is delayed for now Coinbase backs out of supporting Clarity The bank lobby is trying to torpedo Clarity Kontigo is accused of ignoring sanctions X changes its API to block InfoFi California’s wealth tax has backfired already BitMine invests $200m into Mr Beast’s company Why tokenized deposits aren’t as interesting as stablecoins Content mentioned in this episode: Jason Mikula,
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Wyatt & Jake Lynch on Onchain Financial Markets (EP.695)
On The Brink with Castle Island
Wyatt, Henry, and Jake recently put out a report called "Total Value Lost", exploring how best to assess the value of various DeFi markets - starting with lending markets. This episode is a continuation of that conversation, exploring what carries value in DeFi going forward, particularly on the back of a shaky market period. This discussion covers: Where does the recent, ongoing market selloff leave us? What metrics matter for onchain markets? What market dynamics contributed to the October 10 washout? How does leverage manifest in onchain markets, and what does it look like today? How do...
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Weekly Roundup 01/02/26 (2026 predictions, wealth taxes, secret insolvencies) (EP.694)
On The Brink with Castle Island
Matt and Nic are back for the first OTB show of 2026. In this episode: Matt’s ice rink adventures The House issues a draft of the PARITY Act The trouble with wealth taxes DATs continue to bleed out We talk about Nic’s fiction story Predictions for 2026 Is there a secret exchange insolvency? What constitutes insider trading for prediction markets? Is the four year cycle finally over? Is it time to try socialfi again? Kickstarter snafus Content mentioned in this episode: Nic Carter,
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2025 Highlights and 2026 Predictions with Blockchain Coinvestors (EP.693)
On The Brink with Castle Island
Matthew Le Merle and Mitch Mechigian of Blockchain Coinvestors join the show. In this episode we discuss: The top 5 themes of 2025 for the blockchain industry 2026 predictions and key themes to monitor To learn more about Blockchain Coinvestors visit
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Weekly Roundup 12/19/25 (Quantum FUD, CLARITY markup, are forks obsolete?) (EP.692)
On The Brink with Castle Island
Matt and Nic are back for more deals and news. In this episode: Secret exchange insolvency rumors Caroline Ellison is free David Sacks says CLARITY is getting a markup The Fed rescinds their 2023 Novel Activities Supervision program Insolvent exchange prediction markets Visa’s stablecoin advisory business JPM launches a tokenized Treasury fund MONY Quantum FUD Why Quantum might be a surprise Bitwise 2026 predictions The four year cycle is over Grabby aliens and the Dark Forest Content mentioned in this episode: Talos and Factset,
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Corn (Yearn Finance) on the Evolution of DeFi Protocols (EP. 691)
On The Brink with Castle Island
Henry sits down with , head of business development at , for a conversation about the evolution and current state of defi. In this episode: The history of defi from 2020 to today, and how the TerraLuna crash impacted the market How incentive mechanisms in defi have changed in 2025 What caused the collapse of xUSD and Stream Finance? What is the role of risk curators in defi? The state of onchain cybersecurity and recent hacks What is the appetite for defi from non-crypto users and institutions, and will a declining fed funds rate help? How do defi protocols drive value to their native...
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Weekly Roundup 12/12/25 (Do Kwon sentenced, DTC no action letter, Circle’s private stablecoin) (EP.690)
On The Brink with Castle Island
Matt and Nic are back with more news and deals. In this episode: CIV grows the team Nic does not regret 8 years in crypto People are getting blackpilled about crypto Does speculation in crypto have positive externalities? Matt has never seen LOTR Will web3 ever come back? The OCC lets banks broker crypto trades The Bitwise 10 lists Rushi Manche returns with a fund Circle is launching a private stablecoin The DTC gets a no action letter from the SEC to settle tokenized securities We do a Terra/Luna restrospective Terra’s fatal mistake Oracle mishaps on prediction markets Why did the...
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Weekly Roundup 12/05/25 (The trouble with Taproot, a prediction market paradox, HFSC OCP.2 report) (EP.689)
On The Brink with Castle Island
Matt and Nic are back with another week of news and deals. In this episode: Quantum risk again Are banks filled with spooks? The trouble with Taproot addresses Microstrategy’s dollar reserve Kalshi is going on chain Prediction market predicaments Are insiders monetizing Google search information on Polymarket? Are prediction markets insider trading machines by definition? DAT activist fights Vanguard adds Bitcoin ETFs House Financial Services Committee releases their final report on OCP2.0 What’s going on with leverage in crypto? Are AI agents going to start stealing crypto? Is...
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Stepan Simkin (Squads) on Stablecoin-Powered Financial Services (EP.688)
On The Brink with Castle Island
, founder of , sits down with Wyatt on today's episode. In this discussion: Squads' evolution from a DeFi-facing product to servicing a broader range of companies' asset treasury needs. What are the pain points of local small-medium businesses? What is driving the gradual global movement from local currencies into USD stablecoins? The appetite for safe yield across user types. Other traditional digital banking players and how they are evolving with technology. How the stablecoin trend impacts governments. What happens to local banks?
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Weekly Roundup 11/27/25 (Who we are thankful for, S&P downgrades Tether) (EP.687)
On The Brink with Castle Island
Matt and Nic record a special Thanksgiving episode of OTB. In this episode: What’s the deal with deep fried turkeys? Polymarket gets CTFC approval Klarna is launching a stablecoin on Tempo Upbit is hacked Berachain drama Tether gets a downgrade from S&P Robinhood is spinning up their own prediction market with Susquehanna Are Visa and Mastercard moving fast enough? Who are we thankful for?
info_outlineSam Wyner and Sal Ternullo, cryptoasset services co-leads at KPMG, join the show to talk about KPMG's newly-released analytics capabilities dubbed Chain Fusion. Chain Fusion is a patent pending suite of advanced analytics capabilities built on leading cryptoasset data and infrastructure products, to streamline the ability for financial services companies, FinTechs, and organizations across industries to deliver institutional quality cryptoasset capabilities and services. In this episode:
- KPMG's historical engagement with the crypto industry
- How audit/consulting firms are engaging with crypto financial institutions
- The choice to have a crypto specific team at KPMG (rather than simply focusing on blockchain)
- The reason why formal financial statement audits for crypto companies are not occuring in the US today
- Why an asset taxonomy from regulators matters to auditors
- What Chain Fusion is and what it's designed to solve
- The intersection of Chain Fusion and Proofs of Reserves for exchanges
- Why audit standards still don't take into account the notion of cryptographic signatures to prove ownership of an asset
- Why the FATF travel rule is so difficult to implement
Check out the press release for Chain Fusion which provides a high-level overview of the accelerator suite and contact information to get in touch with Sam and Sal.
Learn more about KPMG's Blockchain initiatives to explore recent thought leadership including Cracking Crypto Custody which describes four pillars for winning institutional crypto custody models.