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Morning Edition · Friday, October 16, 2026Published at 1:52 AM EDT · New York
Aztec Says a Proving-System Flaw Left Its Alpha v5 Network Open to Invalid Transactions and It Cannot Tell Whether Anyone Used It
Core contributors found the bug through AI-assisted auditing. Separately, rival privacy network Miden is promoting a private-finance stack built around a self-custodial wallet called Bread.
Aztec, a privacy-focused Ethereum layer-2 network, has disclosed a critical flaw in the proving system behind its Alpha v5 network. According to the team's disclosure, core contributors identified the bug on July 27, 2026 through internal A…
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Part of a tracked trend
Proving-System Bugs Become a Distinct Rollup Risk
Soundness defects in zero-knowledge proving systems will keep surfacing as a risk class separate from smart-contract exploits, because validator re-execution — the fallback most rollups rely on — cannot catch them, forcing teams into embargoed disclosure timed to upgrades and pushing users toward proof-system diversity and escape hatches.
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