$23.75 Million Stolen in Off-Chain Oracle Attack and Credential Compromise

Ostium DeFi platform lost $23.75 million on 15 July 2026 when an attacker exploited compromised oracle-signer and keeper credentials to submit fraudulent price data, execute leveraged trades against manipulated prices, and drain the liquidity vault. The attacker laundered proceeds through TornadoCash; trading remains frozen while infrastructure is secured.

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