A serious vulnerability in Zcash's Orchard shielded pool, discovered by security researcher Taylor Hornby, has raised alarm about the potential for counterfeit Zcash (ZEC) tokens to have been minted undetected since 2022. Following the disclosure, ZEC's value dropped over 30%, with some estimates indicating a total decline of around 50%. This panic selling was exacerbated by key supporters, including Bitmex co-founder Arthur Hayes, who liquidated their holdings, citing a loss of confidence in Zcash's security. The incident has led to widespread speculation about whether counterfeit tokens ever entered the privacy pool, as the nature of Zcash's privacy features makes it challenging to quantify any potential losses. In response, Zcash is proposing an upgrade called Ironwood, which aims to implement independent verification of ZEC supply and prevent future vulnerabilities. However, the community remains skeptical about the effectiveness of these measures and whether shielded pools can ever be fully audited. The incident highlights a critical moment for Zcash as it seeks to restore trust among its users and investors.