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Security Incident · Exchange

Loopring System design defect

·Historical incident record

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.

Attack category
System design defect

Incident Overview

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.