Every non-empty, block that accepts transactions should be finalized and prepared for submission when
Ethereum height ticks up and previous block was formed at least a certain number of Ethereum blocks ago (let's call it block_submit_every_nth like in the old childchain).
Finalized block does not accept transactions.
Every non-empty, block that accepts transactions should be finalized and prepared for submission when Ethereum height ticks up and previous block was formed at least a certain number of Ethereum blocks ago (let's call it
block_submit_every_nthlike in the old childchain). Finalized block does not accept transactions.