eth1in the setup process). An Eth1 EVM address is the 0x address you use on current EVM chains such as Gnosis Chain, Ethereum, BSC etc.
--eth1_withdrawal_address <YOUR 0x ADDRESS>when running the deposit script. Make sure you control this Eth1 EVM address, as you will use it to initiate a withdrawal.
eth1- address (i.e. Gnosis Chain address) or a BLS credential.