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Bad Debt Event

Definition

A bad debt event occurs when a borrower defaults on a loan, and the collateral held against that loan is insufficient to cover the outstanding amount. In decentralized finance, this typically arises when the value of deposited collateral falls below a liquidation threshold, yet the liquidation process fails to fully repay the debt. Such an occurrence leaves the lending protocol with an unrecoverable deficit. This situation poses a direct financial risk to the protocol’s solvency and its liquidity providers.