Morning Edition · Wednesday, August 26, 2026Published at 1:49 AM EDT · New York

Miden pairs a private stablecoin with Circle's reserve system as Aztec works through a proving-system flaw

USDCx would hold balances and counterparties off public view while letting holders prove specific facts to auditors, and the competing privacy network Aztec has told users its Alpha V5 proving system can accept invalid transactions.

Miden, the zero-knowledge network that spun out of Polygon in 2025, is issuing a native stablecoin called USDCx backed one-for-one by USD Coin held through Circle's xReserve system. Transactions are private by default, and holders can selec…