Security Incident · ETH Ecosystem
Definer Oracle Attack
On December 13, the DeFi platform Definer oracle was attacked.
- Reported loss
- 30,765 CHE
- Attack category
- Oracle Attack
Incident Overview
This incident was caused by the problem of Definer’s implementation of the oracle in OEC. It used the token balance of a single liquidity pool at a point in time as the price source, which led to the accident. The implementation of Ethereum used ChainLink’s The oracle does not have this problem.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.