The Beacon Chain was not at first processing Mainnet transactions. Instead, it was achieving consensus By itself point out by agreeing on Lively validators and their account balances. The Merge represented the official switch to using the Beacon Chain since the engine of block output. Mining isn't any longer https://financefeeds.com/polygon-network-on-fire-skyren-dao-collaboration-hints-at-imminent-matic-surge/