INCIDENT EVIDENCE GRAPH

Ostium hacked — $18.00M lost

2026-07-15T00:00:00Z

Ostium, an RWA-focused perpetuals DEX on Arbitrum, suffered an oracle manipulation exploit. The attacker used a compromised oracle signer key to submit fraudulent future-dated price reports, generating artificial trading profits and draining approximately $18 million USDC from the liquidity vault. The protocol has halted trading and is investigating.

• Victim: Ostium
• Method: 私钥泄漏

Primary evidence

1. Ostium hacked — $18.00M lost

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