bitcoin mempool size

The mempool is where all the valid transactions wait to be confirmed by the Bitcoin network. A high mempool size indicates more network traffic.

Explore the full Bitcoin ecosystem with The Mempool Open Source Project®. See the real-time status of your transactions, get network info, and more.

By looking at mempool.space seems to indicate that the max size is 300mb. Is that a hard cap? What happens if that is reached? Currently a 36mb , ...

For reference, the mempool size is currently 0.18 MB. For reference, the mempool currently contains 662 unconfirmed transactions. Set Alert

3 okt. 2025 — Block space is limited – each Bitcoin block can only hold about 1-4 million bytes (units of data size) worth of transactions. Miners compete to ...

This page displays the number and size of the unconfirmed bitcoin transactions, also known as the transactions in the mempool. It gives a real-time view.

The mempool is a transaction queue resulting from the low throughput of the bitcoin network due to: (i) the limited size of the transaction block (MB); and (ii) ...

26 nov. 2025 — The current Bitcoin block size is limited to 1 vMegabyte/ 1 million vByte/ 4 million weight units. Most wallets calculate transaction fees in ...

Although there is no maximum size, nodes can set size limits for mempools. This limit is usually 300MB. Once the mempool reaches this limit, nodes may allocate ...

The mempool count metric tells how many transactions are causing the congestion whereas the {mempoolsize} chart is a better metric to estimate how long the ...