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Morning Edition · Sunday, August 9, 2026Published at 2:30 AM EDT · New York
Aztec Publishes the Proving-System Flaw It Held Back Until Its Private Execution Upgrade Shipped
The company said the defect affected the proving system as a whole and could not be caught by validator re-execution, which is the specific safety net most zero-knowledge rollups rely on.
Aztec, the Ethereum layer-2 network built for private smart contracts, has published its disclosure of the Alpha V5 proving-system vulnerability, completing a sequence it announced in March. At that time the team said it had found a critica…
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