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Zcash Treasury Supported by Winklevoss Sees Nearly 40% Drop Due to Privacy Bug

Cypherpunk Technologies' shares fell 37% after a privacy bug in Zcash raised concerns about counterfeit coins, impacting its investment value.

Mercation Admin
June 5, 2026 1 min read
Zcash Treasury Supported by Winklevoss Sees Nearly 40% Drop Due to Privacy Bug

Significant Share Drop for Cypherpunk Technologies

Shares of Cypherpunk Technologies dropped by 37% on Friday, marking a substantial decline after a privacy bug was discovered in Zcash, the cryptocurrency in which the company holds a significant investment. The stock fell to 59 cents, recovering slightly from an intraday low of 53 cents.

Impact of the Privacy Bug

The bug, which could have allowed the creation of counterfeit Zcash coins, was uncovered by Shielded Labs during an AI-assisted audit. Although an emergency patch was released, concerns lingered among investors regarding the potential exploitation of this vulnerability.

Cameron Winklevoss, a key supporter of Zcash, defended the cryptocurrency on X, stating that "there will be bugs" in blockchain software and highlighted the need for robust security measures. This incident represents a setback for Winklevoss's cryptocurrency interests, including the Gemini exchange, which also saw a 4.4% drop in its shares amid a broader market decline.

Financial Implications for Cypherpunk

Cypherpunk, which acquired 314,185 Zcash for around $102 million, faces significant losses as the coin's value plummeted to approximately $329 from a peak of nearly $700 in November. The company's recent financial report indicated a net loss of $77.2 million for the first quarter, largely attributed to the volatility of its Zcash assets.

Despite the adverse developments, Cypherpunk has maintained that there is no evidence of any exploitation related to the bug. They suggested that any potential attacker would have needed to hold counterfeit coins during a market rise to benefit, which they deem unlikely.