Technical Definition
Mempool
The mempool is a temporary waiting area where pending blockchain transactions remain before being confirmed.
By Crypto University Editorial
Gas FeeBlockConfirmation
✦ Key Insight
Understanding the mempool helps explain transaction delays and fluctuating gas fees.
✕ Common Misconceptions
Assuming pending means failed.
Detailed Explanation
How It Works
Transactions enter the mempool after being broadcast and remain there until included in a block.
In Practice
“High Bitcoin network activity causes the mempool to become congested.”
Dig Deeper
Gas Fee
A gas fee is the cost paid to process a transaction or execute a smart contract action on a blockchain. It is the fee users pay to the network so their transaction can be included and confirmed.
Confirmation
A confirmation occurs when a blockchain includes a transaction in a validated block.
Block
A block is a collection of validated transactions added to a blockchain.
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