Zcash's privacy makes its supply unauditable, so a counterfeiting bug has left a doubt the market cannot disprove. A white-hat researcher hired by Shielded Labs used Opus 4.8 to build a working exploit for a two-line Orchard circuit bug present since 2022. It was patched within days and never hit mainnet, and the team says no counterfeit ZEC was minted, but that cannot be proven. Unlike bitcoin, ZEC traded verifiability for privacy, and an asset that cannot be proven clean cannot be patched. x.com x.comÂ