On the task page, click on "Deposit ETH". Ensure that you are sending ETH on Blast L2 and not native ETH. You can bridge your ETH to Blast L2 .
How to Delegate Blast Points
Users should first go to the and register a wallet. The address that was registered on the airdrop page may then be copied into the "Blast Points Delegation" tab on the Tasks page on gm.app.
I accidentally sent L1 ETH to my gm wallet. How do I retrieve it?
In the gm.app go to Profile -> 3 dots menu in bottom right corner -> More -> Export Wallet. Copy paste the private key into metamask and you can access your L1 ETH.