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.

strengthening · confidence 100 · 0 7d · 0 30d · Medium term (3-9 months) · tracking since August 9, 2026 · updated October 12, 2026

Score history

Daily conviction score, 0 to 100. Higher means the thesis is more strongly corroborated.

Oct 11 · 100Oct 12 · 100

Now 100

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Why the conviction moved

Oct 12
Strengthened +3
Aztec's V5 network is still running with a flaw it found in July and has acknowledged, one that lets an invalid proof pass verification, while it waits on a fix to the proving system. A live network operating with a known soundness gap shows this risk class persisting separately from contract bugs, with remediation tied to upgrade schedules.
Oct 11
Strengthened +4
Aztec relaunched zk.money with a $2,500 deposit cap even though its V5 proving system can still accept proofs for transactions the network should reject. The team says it cannot tell whether anyone used the flaw, and the fix waits for V6 later this year. A soundness bug that can't be detected after the fact, contained with caps until an upgrade ships, is the risk class the thesis describes.

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Source trail

Supporting · October 12, 2026
Miden launches a private self-custody wallet while Aztec waits on a proving-system fix it found in July
Aztec's V5 network is still running with a flaw it found in July and has acknowledged, one that lets an invalid proof pass verification, while it waits on a fix to the proving system. A live network operating with a known soundness gap shows this risk class persisting separately from contract bugs, with remediation tied to upgrade schedules.
Miden
Supporting · October 11, 2026
Aztec Relaunches zk.money With a $2,500 Cap While Its Proving-System Flaw Remains Unfixed
Aztec relaunched zk.money with a $2,500 deposit cap even though its V5 proving system can still accept proofs for transactions the network should reject. The team says it cannot tell whether anyone used the flaw, and the fix waits for V6 later this year. A soundness bug that can't be detected after the fact, contained with caps until an upgrade ships, is the risk class the thesis describes.
Aztec Network

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