- What is the mempool?
The mempool is a list that each node has with the unconfirmed transactions.
- What happens if the miners can’t keep up with the rate of the new transaction?
If the miners can’t keep up with the rate of the new transactions this transactions will go to the mempool waitig for the next block.
- How does a growing mempool effect transaction fees?
The fees of the mempool increases if there are much unconfrimed transactions because all the transactions will compite each others to enter as soon as in the next block.