Ostium Perp DEX Hit for $18 Million in Brutal Oracle Exploit

Crypto Insight Summary: Arbitrum’s RWA perpetual platform Ostium lost nearly $18 million USDC today after attackers compromised an oracle signer key and manipulated prices. The root cause was a compromised oracle signer private key. This allowed the attacker to bypass verification checks and submit favorable future prices. They executed around 20 looped trades through delegated actions, instantly profiting Crypto Insight Analysis: Direction: Bearish OST Impact: Minor Impact Horizon: Short-term (1-3 days) Reasoning: Platform security breach undermines trust in Ostium, but limited to single platform.