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Another DeFi Exploit: Perp DEX Ostium Loses $18 Million in Oracle Attack

Jul 15, 2026
1 min read
Source: Decrypt
Another DeFi Exploit: Perp DEX Ostium Loses $18 Million in Oracle Attack

A decentralized perpetuals exchange called Ostium lost around $18 million in an oracle attack. This highlights the ongoing risks in the DeFi space and the need for improved security measures.

Market Impact

The loss of $18 million in the DeFi space could impact investor sentiment and potentially increase the cost of capital for DeFi protocols. However, this is a relatively contained incident and may not have a significant impact on the broader market.

Key Takeaways

  • Ostium lost approximately $18 million due to a compromised oracle signer key.
  • The attack drained nearly one-third of the protocol’s liquidity.
  • The incident highlights the ongoing risks in the DeFi space and the need for improved security measures.
Analyzed by FNXT Experts


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