Pac Finance Sudden Parameter Change Sparks $24 Million Liquidation

Pac Finance Sudden Parameter Change Sparks $24 Million Liquidation

Pac Finance, a lending app on Blast, has had its users report a $24 million liquidation on April 11 due to a sudden change in parameters by the developer wallet.

Mass liquidations are common for leveraged traders who borrow crypto, but they often occur due to fluctuations in the market, not protocol parameter changes.

Pac Finance LTV Change Leads to Liquidation

Pac Finance is a platform where crypto holders can earn interest by lending their assets. The app implements a loan-to-value ratio (LTV), which limits borrowers to loans equivalent to a certain percentage of their collateral to ensure repayment. Typically, the development team announces changes to the LTV beforehand.

However, on April 11 at 1:06 am UTC, according to Blast network’s blockchain data, a developer wallet changed the LTV for Renzo Restaked Ether (ezETH) to 60% without prior announcement. The sudden adjustment in LTV parameters has sparked concerns within the community following a $24 million liquidation just seconds after the update.


Developer kydo.eth from EigenLabs initially brought light to the information, prompting Pac Finance users to voice their grievances and demand explanations on the protocol’s official Discord server.

In response, the team’s Discord moderator, Bountydreams, stated they are attempting to contact the team for clarification. However, no response has been received as of writing these lines.

Protocol Change Raises Concerns Over Security Issues

According to smart contract developer Roffet.eth, the parameter change led to the liquidation of many ezETH leveraging farmers since they now violated the protocol’s collateral rules. Roffet criticized the change as “arbitrary,” as it allegedly occurred without warning.

Parsec Finance founder Will Sheehan also condemned the change, noting that it happened without warning. Sheehan estimated that borrowers incurred losses of approximately $24 million in collateral, as their assets were automatically sold off to settle their loans due to the protocol change.

The incident on Blast adds to a series of security issues within the platform. In early March, Blast’s lending agreement Orbit Lending faced criticism from Key Opinion Leaders (KOLs) for discrepancies in its liquidation threshold. Although the agreement stated an 83% liquidation threshold, it was reported that liquidation occurred at 80%. However, the project later compensated affected users.

In addition, Blast’s ecological project Munchables suffered an attack recently, leading to suspicions of a problem with the locking contract and resulting in the theft of 17,400 ETH (valued at approximately $62.3 million). SomaXBT revealed that Munchables had previously engaged an unknown security team, EntersoftTeam, to issue an audit report to reduce audit fees.

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