Grayscale Launches Zcash ETF After Resolving Critical Privacy Flaw

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Grayscale launched its Zcash ETF (ticker ZCSH) on NYSE Arca on August 25, 2026, following a privacy flaw fix. The ETF, formerly the Grayscale Zcash Trust, now allows investors to track ZEC prices via brokerage accounts. The product filed with the SEC in November 2025 and is aimed at self-directed and advised investors. In May 2026, a four-year-old vulnerability in Zcash’s Orchard shielded pool was found, enabling counterfeit ZEC creation. A patch was deployed in June 2026, and the Ironwood upgrade in July 2026 replaced Orchard with a new shielded pool. Grayscale will continue to monitor Zcash’s adoption, utility, and network security, including the Ironwood upgrade and regulatory changes. This ETF news marks a key development in the digital asset space, alongside ongoing Bitcoin ETF news.

Grayscale's Zcash ETF began trading Tuesday on NYSE Arca. The product is the world's first exchange-traded product offering spot Zcash exposure. The ETF trades under the ticker ZCSH. It lets investors track ZEC's price through brokerage accounts without directly buying or storing ZEC. ZCSH began as the Grayscale Zcash Trust in October 2017. Grayscale filed with the Securities and Exchange Commission in November to convert the trust into an exchange-traded fund. Shareholders own fund shares intended to track the value of the fund's ZEC holdings rather than owning ZEC directly. Grayscale Head of Index Steve Vanourny said Zcash's maturity, privacy features and investor demand for assets beyond Bitcoin and Ether supported the listing. Vanourny said Grayscale expects the ETF to appeal mainly to self-directed and advised investors seeking ZEC exposure through brokerage accounts. Vanourny described ZCSH as a focused, higher-risk satellite position that complements Bitcoin rather than replacing it. He said the product combines Bitcoin-like scarcity and proof-of-work economics with optional privacy. In May, security researcher Taylor Hornby used Anthropic's Claude Opus 4.8 to discover a four-year-old vulnerability in Zcash's Orchard shielded pool. The vulnerability could have allowed an attacker to create counterfeit ZEC. Developers deployed an emergency patch on June 1. Zcash's privacy features made it impossible to determine cryptographically whether the flaw had been exploited. Zcash activated the Ironwood upgrade in July. Ironwood replaced Orchard with a new shielded pool. The upgrade added accounting rules that prevent more ZEC from leaving the retired pool than entered it. Those rules trap any counterfeit coins that may exist. Vanourny said Grayscale will assess Zcash's progress through adoption, utility and network security rather than the token's price. He said Grayscale will monitor the rollout and adoption of Ironwood, which closed the vulnerable shielded pool from the June 2026 incident and added independently audited, formally verified supply guarantees. Grayscale will also monitor exchange support and regulatory treatment of Zcash and privacy assets more broadly.

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