Grayscale Zcash Trust S-3/A Flags Critical Zcash Vulnerability and Development Team Overhaul
ZCSH has more than doubled off its 52-week low of $2.95 on light trading volume (0.3× avg).
Summary
Grayscale Zcash Trust's latest S-3/A reveals a critical Zcash vulnerability that caused a 50% price crash and a complete overhaul of the core development team, adding significant new risks to the ETF conversion plan.
Key Events · Corporate Governance and Compliance · ZCSH
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Critical Zcash Vulnerability Disclosed
In June 2026, a security researcher uncovered a critical flaw in the Orchard shielded pool that could have allowed counterfeit ZEC creation. The disclosure sent the ZEC price down roughly 50%, though it has since substantially recovered. An emergency upgrade—Ironwood—on July 28, 2026, retired the Orchard pool to prevent exploitation.
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Core Development Team Departs
The entire engineering team of Electric Coin Company (ECC) left in January 2026 after being 'constructively discharged' and formed a new entity, Zcash Open Development Lab (ZODL), which now leads core protocol development. This shift raises uncertainty about the continuity and governance of Zcash development.
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Index Methodology Changed
Effective April 1, 2026, the Trust switched its pricing index from the CoinDesk Zcash Price Index (ZCX) to the CoinDesk Zcash Benchmark Rate, a real-time volume-weighted reference rate, altering how NAV is calculated.
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Governance and Management Updates
Amid the ongoing ETF conversion process, the Sponsor formed a Board of Managers on May 4, 2026, and appointed Kathryn Masci as Interim CFO on July 2, 2026, following the departure of the previous CFO.
Analysis · ZCSH · Crypto Assets
Amendment No. 3 to the S-3 registration statement discloses a critical vulnerability in Zcash's Orchard shielded pool, discovered in June 2026, that could have enabled counterfeit ZEC creation—triggering a roughly 50% price drop before a partial recovery. The filing also reveals that the entire Electric Coin Company engineering team departed in January 2026 and formed a new development entity, ZODL, raising questions about the protocol's ongoing development. Together with an index methodology change and updated governance, these disclosures materially alter the risk profile for the Trust's proposed ETF conversion and NYSE Arca listing.
At the time of this filing, ZCSH was trading at $32.96 on OTC in the Crypto Assets sector. The 52-week trading range was $2.95 to $55.46. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.