Nostra Halts Borrowing for Liquid Staking Tokens Amid Price Feed Issue : According to Cointelegraph, Nostra, a lending protocol on Starknet, has temporarily suspended borrowing for two liquid staking tokens due to a critical issue with its price feeds. On March 24, Nostra identified errors in its price feed that inflated the reported prices of xSTRK and sSTRK, two liquid staking derivatives of Starknet's native STRK token, to nearly three times their actual value. This discrepancy could have led to unnecessary liquidations of otherwise secure positions, potentially affecting users with healthy positions.
In response to the issue, Nostra has disabled further borrowing against xSTRK and sSTRK collateral deposits. The protocol has advised users with existing deposits of these tokens to withdraw their collateral immediately. Nostra acknowledged the absence of a secondary oracle to support these assets, which limits their ability to prevent similar incidents in the future. The protocol emphasized its commitment to safeguarding user funds, stating that without a fallback oracle, the risks outweigh the benefits.
Starknet, a layer-2 scaling chain of Ethereum secured by zero-knowledge proofs, launched its mainnet in late 2021. It currently has a total value locked (TVL) of approximately $575 million, according to data from L2Beat. Nostra, one of the larger DeFi projects on Starknet, has a TVL of around $55 million. The protocol allows users to post collateral in one token to borrow another, with popular collateral options including Ether, STRK, and stablecoins like USDC and Tether.
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