Zcash Bug Crisis Shows Privacy Cuts Both Ways, Experts Say
Zcash fell sharply after disclosure of a four-year-old bug that could have enabled counterfeit coins, hitting its lowest level in over a month and dropping about 33% in a day. The incident highlighted a core tradeoff in privacy coins: shielded transactions improve privacy but make supply auditing difficult. Shielded Labs said there is no definitive cryptographic way to tell whether exploitation occurred, though the flaw was fixed earlier this week. Market reaction was uneasy, but some crypto veterans said such risks are part of the privacy-first design and similar bugs have affected Zcash and Monero before. Others used the event to argue that Bitcoin’s transparent supply is safer. The bug was reportedly found with help from Anthropic’s Claude Opus 4.8, raising concern that AI could make it easier to uncover complex cryptographic flaws.
