Front end vulnerabilities, perform security-related in the browser, using passwords to generate keys, and design own random number generator
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.
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