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On The Brink with Castle Island

Apr 27, 2026

Pluto is a veteran of DeFi and cross chain systems, with prior stints at Thorchain and Airswap, now building Harbor, a native asset DEX. In this episode, we talk about the KelpDAO exploit and how DeFi can regain people’s trust. Nic sits down with him to discuss:

  • What exactly happened with the KelpDAO/ Aave hack?
  • Will...


Apr 24, 2026

Matt and Nic are back for another week of news and deals:

  • The Finding Satoshi documentary has a new guess
  • Was it Hal or Len?
  • Could Satoshi have been a team?
  • Why Stylometry might not reveal Satoshi
  • Why the cypherpunks were interested in resurrection
  • What happened with KelpDAO?
  • Is DeFi cooked?
  • Is Arbitrum...


Apr 22, 2026

Brandon Arvanaghi, the co-founder and CEO of Meow, joins the show. In this episode we discuss:

  • The rise of agentic payments and the convergence of LLMs and financial services.
  • Meow’s approach to banking the agentic economy.
  • How financial services firms and banks will need to evolve in order to service AI agents.


Apr 17, 2026

Matt and Nic are back for more news and deals: 

  • Jameson Lopp’s BIP361 gets an official BIP number
  • What about an official salvage process for the quantum-vulnerable Satoshi coins
  • What about recycling Satoshi’s bitcoins into long-term tail emissions
  • Why the Satoshi freeze war will be unlike the Blocksize war
  • Kraken...


Apr 10, 2026

Matt and Nic are back with another week of news and deals. In this episode: 

  • The New York Times thinks Adam Back is Satoshi
  • The problems with the NYT’s analysis
  • The case for Len Sassaman
  • The case for Satoshi not being alive
  • Could Satoshi be a group?
  • Why Satoshi might be discovered this year
  • Morgan Stanley launches...