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What is the mempool?
-it is the list of all unconfirmed transactions that is held by the node or miner until it can be included in a block. -
What happens if the miners can’t keep up with the rate of the new transaction?
- the time for transactions to be confirmed takes longer.
- How does a growing mempool effect transaction fees?
-it increases the transaction fees because you have to pay higher fees to ensure that your transactions get included in the block, otherwise you can wait very long for it to be confirmed.