DYDX · 2026-11-10 19:59 UTC

Arcus Incident Report

On November 9, 2026, Arcus identified an accounting bug that let a single newly created account withdraw funds it was not entitled to, via transfers between its own subaccounts. About $2,234,391 USDG was withdrawn on-chain before withdrawals were paused; a further $3M of requested withdrawals was held by the bridge's rate limit and later reversed. Arcus says no other user balances, positions, or orders were affected, the bug is fixed, the shortfall was covered from the company treasury, and withdrawals were re-enabled the next morning.

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