Polkadot-based decentralized finance (DeFi) platform Acala’s native stablecoin, aUSD, depegged on Sunday, plummeting 99% after hackers exploited a bug in a newly deployed liquidity pool to mint 1.28 billion tokens.
Acala developers said the bug was caused by a misconfiguration of the iBTC/aUSD liquidity pool shortly after it went live on Sunday. A liquidity pool is a digital pile of cryptocurrency locked in a smart contract, which results in creating liquidity for faster transactions on decentralized exchanges (DEXs) and DeFi protocols.
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