Mainnet preparations
Latest software
Please check that you are running the latest stable Nimbus software release.
Note: If you are setting up your client before launch, it is your responsibility to check for any new software releases in the run up to launch. At the minimum you should check the release page weekly.
More than 20 peers
Please check that your node has at least 15 peers. See the footer at the bottom of the terminal window for your peer count.
Validator attached
Please check that your validator is attached to your node.
VPN
To avoid exposing your validator identity to the network, we recommend you use a trustworthy VPN such as protonmail.. This help reduce the risk of revealing your IP address to the network.
Ethereum Foundation's Checklist
Ad a final check, we recommend you also go through the EF'S staker checklist.