Hack history / 2020 / Hack or exploit
Loopring
Hack or exploit on May 7, 2020 · System design defect
ONE SOURCE · 1 SOURCE
Lost
undisclosed
dollars at the time
Returned
none listed
as the sources state it
Rank
not ranked
collapses, frauds and later news are not ranked
What happened
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.
Details
- Date
- May 7, 2020
- Kind
- Hack or exploit
- Method
- System design defect
- How in
- Keys, accounts and infrastructure
- Target
- not stated
- Chains
- Ethereum
Reported by
Related incidents
Cite this page
SwanBluechip, "Loopring hack, May 7, 2020: undisclosed lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htb3a7bfd94b/ (data as of 2026-10-31).