The core of any blockchain network are its blocks

It doesn't matter what the consensus process is. All blockchains rely on new blocks being proposed and validated. There are established block parameters that must be followed and even considered by network participants.

In the case of Ethereum Merge, an epoch is a bundle of 32 blocks that must be verified within six and a half minutes. Actively monitoring the ETH2 beacon chain mainnet includes beaconscan from important sources such as Etherscan by Etherscan and Redot by Ethscan ETH2 Explorer.