Sui-Based Typus Finance Loses $3.4 Million in Hack

A hack exploiting oracle vulnerabilities drained $3.4 million from Sui-based Typus Finance, prompting an immediate pause of all platform contracts.

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Posted October 16, 2025 at 11:08 am ET.

Typus Finance, a decentralized finance (DeFi) platform built on the Sui blockchain, lost $3.4 million in an exploit.

“Approximately one hour ago, our TLP [Typus liquidity pool] contract was exploited via an oracle vulnerability regarding a lack of authority checks,” said Typus Finance in an X post at 10:18 a.m. ET on Wednesday.

“To protect all users, ALL Typus smart contracts have been immediately PAUSED.”

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In the Typus Finance ecosystem, a TLP contract represents the core liquidity pool that supports perpetual trading markets on the Sui blockchain.

Blockchain security firm Hacken found that the hacker had already swapped the stolen funds to DAI around two hours later, and that the original wallet was originally funded by Tornado Cash.