Ethereum 20 April 2022 Ethereum Mainnet Shadow Forking: An Overview It refers to using data from a testnet or the mainnet to test sync assumptions for a network upgrade, so that developers can test features before deploying the actual upgrade to the mainnet.
Ethereum 2 June 2021 How To Become An Eth2 Validator on Nimbus with Hyperledger Besu Previously we have already discussed Ethereum 2.0 Basic Terminology, All About The Validator In Ethereum 2.0 Beacon Chain, How To Become An Eth2