The Balance stablecoin protocol suffered a critical failure after an attacker manipulated its price feed, feeding the system a fake, abnormally low bitcoin price. This false data triggered the liquidation of collateralized vaults that were otherwise healthy, allowing the attacker to seize their bitcoin holdings at a steep discount. The entire scheme was executed in a single transaction, netting roughly $1 million and draining the protocol's bitcoin reserves. As a result, the Balance stablecoin lost its peg and collapsed by 99%, wiping out most of its value. The incident highlights the ongoing vulnerability of decentralized lending platforms to oracle manipulation, where flawed or exploitable price data can undermine collateral systems designed to keep stablecoins secure. Holders faced near-total losses as confidence in the protocol evaporated following the exploit.
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