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Arthur Hayes dumps Zcash as infinite bug shatters privacy coin trust

Sunday, June 7, 2026 · from 2 podcasts
  • A Zcash bug allowed infinite, undetectable counterfeiting, collapsing trust in unaudited private money.
  • Developers hid it with a secret soft fork, freezing billions and proving central control.
  • The flaw cuts privacy's value: you can't verify a supply you can't see.

Privacy broke its own promise. A bug in Zcash's latest Orchard pool allowed for infinite, untraceable inflation - the nightmare scenario for any asset claiming digital scarcity.

On Rabbit Hole Recap, hosts argued the developer response was worse than the bug itself. The team executed a secret soft fork to freeze the compromised pool, coordinating with a handful of dominant miners. Marty Bent and Matt Odell called this a facade of decentralization, proving the project's fragility. If a few people in a midnight meeting can freeze billions, the privacy claims are a managed experiment, not a protocol.

"If three people can freeze billions in a midnight meeting with miners, the privacy claims are a facade."

- Marty Bent and Matt Odell, Rabbit Hole Recap

Because of Zcash's opacity, there is no cryptographic proof the bug wasn't exploited before the June 3 hard fork. As reported on Bitcoin And, security engineer Taylor Hornby's discovery led Arthur Hayes to dump his entire Zcash position. The supply integrity is now a matter of faith, not math.

Zcash’s market cap plunged by $3 billion. The incident validates a core Bitcoin critique: if you can't audit the supply, you don't actually know what you own. The developers’ pivot to calling it a 'soundness bug' and locking user funds is seen as semantic gaslighting covering a fundamental failure.

"Because of the protocol's inherent opacity, there is no cryptographic way to prove the bug wasn't exploited."

- Bitcoin And

The question now is whether any privacy technology that obscures transaction amounts can ever be trusted with securing a money supply. Zcash just proved the paradox: total privacy might be an existential risk to a currency's value.

Source Intelligence

- Deep dive into what was said in the episodes

Zcrash | Bitcoin NewsJun 5

  • Michael Saylor framed Bitcoin's 22.7% drop as capital rotation into AI infrastructure, not a fundamental impairment. He cited $400 billion in AI buildout funding over six months and $4 billion in Bitcoin ETF outflows since May 14.
  • Saylor's firm, MicroStrategy, sold 32 Bitcoin in early June, breaking a no-sale streak since late 2022. The firm also repurchased $1.5 billion of its convertible notes at an 8% discount, reducing its outstanding debt.
  • Major equity indices faced steep declines, with the NASDAQ down 4.3% and the S&P 500 down 2.3%. Bitcoin traded near $59,330 with a market cap of $1.19 trillion and a network hash rate of 905 exahashes per second.
Also from this episode: (7)

Big Tech (1)

  • Zcash's price fell 30% after security engineer Taylor Hornby disclosed a critical vulnerability in its Orchard pool that allowed unlimited counterfeit ZEC creation. The bug existed since May 2022 and was patched via a hard fork on June 3.

Markets (2)

  • BitMEX co-founder Arthur Hayes sold his entire Zcash position due to the exploit, stating the Holy Trinity is dead, referencing ZEC, Hyperliquid, and NEAR Protocol. He remains a Bitcoin holder.
  • Oil and metals saw broad declines, with West Texas Intermediate crude down 2.5% to $90.66, gold down 3.6%, and silver down 7.8%. Rough rice was a rare commodity in the green, up 0.48%.

Banking (1)

  • JP Morgan, Bank of America, and Citi plan to launch a shared tokenized deposit network called the Bridge or the Chain by 2027. The Clearinghouse will operate it to counter stablecoin competition and retain deposits within the banking system.

Mining (2)

  • Bernstein analysts argue Bitcoin miners are becoming power landlords for the AI boom, having signed 17 deals worth over $110 billion to provide six gigawatts of power to companies like Google and Microsoft.
  • Bernstein projects aggregate AI revenue for covered mining firms will rise from $1.2 billion in 2026 to $10.7 billion by 2030. TeraWulf is forecast to hit $1.7 billion in AI revenue with 84% EBITDA margins.

Coding (1)

  • Anthropic reported its AI model Claude now authors over 80% of code merged into its codebase, increasing engineer output eightfold since 2024. The firm notes this trend points toward possible recursive self-improvement where AI designs its successors.

RABBIT HOLE RECAP #412: STAY HUMBLE AND STACK SATSJun 4

  • Marty notes Bitcoin's price has dropped to early February levels, with WTI oil prices 50% higher now than when Bitcoin was at similar prices back then.
  • MicroStrategy sold 32 BTC for $2.5 million, which hosts speculate was a round-number decision to cover dividend obligations, not a significant meme amount.
  • The hosts argue Stretch and SATA bonds are not risk-free, pointing out they recently traded at discounts to par ($95.52 and $96.54) and carry significant counterparty risk dependent on Michael Saylor's priorities.
  • Marty argues on-chain data dashboards are increasingly irrelevant because a huge portion of the Bitcoin market is now held in custodial accounts, not self-custody wallets.
  • A Zcash developer team found an undetectable infinite inflation bug in its newest privacy pool, froze the pool via a soft fork, and forced a hard fork to fix it without full transparency, creating a potential bank run scenario.
  • Treasure disclosed a laser fault injection attack vulnerability in its open-source Tropic 01 secure element chip but asserts user funds in the Treasure Safe 7 are safe because it requires compromising a second, closed-source secure element.
  • Prediction markets like Polymarket have an unsolvable oracle problem, highlighted when it ruled a 'yes' bet on a MicroStrategy Bitcoin sale as 'no' because the sale was announced after the contract deadline.
  • Cala announced a trust-minimized Cashu mint using a trusted execution environment, where mint keys are generated within a secure enclave, preventing operator inflation or access to Bitcoin reserves.
  • Strike added phishing protection via in-app code words, a practical update given email leaks from other services like Ledger.
Also from this episode: (6)

Protocol (4)

  • The hosts view Zcash's centralized response - where three people could freeze a pool holding billions of dollars - as proof of its inferior censorship resistance compared to Bitcoin.
  • Marty claims it was an open secret in New York circa 2016-2017 that an inflation bug on Monero was being exploited to buy more Bitcoin, though it can't be proven.
  • The Blockchain Association's letter supporting the Digital Asset Market Clarity Act is signed by over 60 former national security and law enforcement officials, which the hosts see as a negative signal that the bill expands financial surveillance.
  • Marty argues KYC/AML regulations are primarily a facade for tax enforcement, not crime prevention, citing the $600 Venmo reporting threshold as a tool to ensure plebs pay taxes.

Payments (1)

  • The hosts speculate recent US sanctions seizures targeting Iranian crypto exchanges likely involved freezing stablecoins like Tether through backdoor portals, not seizing Bitcoin.

AI & Tech (1)

  • Anthropic's fundraising claims that AI development is accelerating, with Claude now writing code at parity with humans and achieving a 52x speed-up on a model optimization task in May.