Claude Found a 4-Year Zcash Bug. Now It Won't Audit DeFi: Uneasy Money

Claude Found a 4-Year Zcash Bug. Now It Won't Audit DeFi: Uneasy Money

From Unchained by Laura Shin

June 12, 2026 · 1h 4m

About this episode

The episode discusses a significant bug found in Zcash and the implications for DeFi security, featuring insights from various guests.

Claude Fable 5 refuses security work, Kain Warwick pulls $5,000 of compute from a $200 plan, and Humanity Protocol loses its bridge, token, and treasury to one infected device. ======================================================== Thank you to our sponsors! ⁠Multichain Advisors⁠: Get help navigating TGEs, go‑to‑market, BD and partnerships, capital markets advisory, PR, media placements, KOL activations and more at https://multichainadv.com. ======================================================== Anthropic promised Mythos and shipped Claude Fable 5 instead. The model found a four-year-old bug in Zcash's shielded pool that survived multiple expert audits. But when Anthropic shipped the model days later, it was no longer willing to audit smart contracts, bailing the moment a prompt smells like security work.Jailbreakers are already turning a jailbroken Opus 4.8 against it, while white hats sit locked out. Kain Warwick, Taylor Monahan, and Luca Netz weigh the defender's dilemma: builders cannot point the model at their own code, but nobody can prove black hats have not jailbroken their way in — and, the hosts warn,North Korean threat actors have spent more than six months…

People in this episode

Host: Laura Shin

Guests: Kain Warwick, Taylor Monahan, Luca Netz

Topics covered

  • Zcash bug
  • DeFi security
  • AI models
  • smart contracts
  • Humanity Protocol hack
  • API keys
  • subsidy analysis

Keywords

  • Zcash
  • DeFi
  • security
  • AI
  • bug
  • Humanity Protocol
  • Kain Warwick
  • smart contracts
  • subsidy

Sponsors

Multichain Advisors

Mentioned in this episode

Organizations: Anthropic, Humanity Protocol

Products: Zcash, Opus 4.8, Pump.fun

More episodes of Unchained

Explore listener stats, chart rankings, contacts and more on the Unchained podcast page.