Gnosis Chain is moving to Gnosis EEZ
These guides cover running a node and a validator on Gnosis Chain as it runs today, and stay valid until the fork. At activation the validator set retires and nodes keep only an execution client. See the move to Gnosis EEZ.
Managing an existing validator? Go to Validator withdrawals or Voluntary exit.
Generate Validator Keys
The purpose of the validator private key is to actively sign on-chain operations such as block proposals and attestations.
Generate your validator keys using one of the following methods:
Read more about Keys in Beaconcha.in KB.