Arthur Hayes, the chief investment officer of Maelstrom, announced the sale of his entire zcash (ZEC) holdings following the revelation of a critical vulnerability in the network's Orchard Pool. This vulnerability, which was disclosed by Shielded Labs and had been present since 2022, could have allowed for the unlimited minting of ZEC tokens. The news led to a dramatic decline in the token's value, which slumped more than 42% within 24 hours. Hayes, who previously supported zcash, stated that while he believed the likelihood of exploitation was low, he could not rule it out completely. He indicated that he might reconsider his position if future developments prove his concerns to be unfounded. The incident has not only impacted zcash but has also contributed to a broader downturn in the cryptocurrency market, with Bitcoin and Ether facing significant losses during the same period.