Skip to content

What is a Mempool?

A cryptocurrency node's mechanism for storing information on unconfirmed transactions.

Key details

Temporary
Transactions stay in the mempool until confirmed or dropped.
Variable Size
The size of the mempool can fluctuate based on network activity.
Fee Priority
Transactions with higher fees are typically prioritized.
Network Congestion Indicator
A large mempool can indicate network congestion.

Examples

  1. 01During times of high activity, Bitcoin's mempool can become congested, leading to longer wait times for low-fee transactions.
  2. 02Some wallet software allows users to view the current state of the mempool to estimate appropriate transaction fees.
  3. 03Mempool visualization tools can help traders and users understand current network conditions.