Incident Overview
Loopring has appeared a serious front-end error, the private key material is set within a range of 32-bit integer, you can find all user private key pairs by brute force method, due to the user's EdDSA key pair is actually limited to a space of 32-bit integer, the hacker can find out the EdDSA key pair of all users by brute force method. Affected by this, Loopring Exchange shut down for half a day for maintenance and upgrade.
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.