Morning Edition · Thursday, October 8, 2026Published at 1:50 AM EDT · New York

Privacy chains pitch selective disclosure as Aztec's undetectable proving bug shows what confidentiality costs

Grayscale argues that artificial intelligence makes Zcash-style shielding necessary and Miden has launched a private-finance stack with built-in compliance tools, while Aztec still cannot say whether its V5 proving flaw was ever exploited.

Michael Zhao of Grayscale Research argues in CoinDesk that artificial intelligence has made it cheap to link wallet addresses to the people who control them. Because a blockchain record never expires, every past transaction stays open to th…