In order to verify that you own the affected wallet please follow the steps below
1)
https://etherscan.io/verifiedSignatures (verify even if you are affected on arbitrum)
2) Sign Message
3) Connect affected Wallet
4) Add Message (copy the exact message):
I am affected by the LI.FI exploit.
5) Sign Message (screenshot)
6)
Please do not publish the account verification signature. Instead, copy & input the hash/s below the image in the 'Your Answer' field