Cryptocurrency Alerting

Bitcoin Mempool Tracker


Get Bitcoin (BTC) Mempool Size alerts delivered to your device.

What is the BTC Mempool?

As defined in our crypto glossary, a mempool (or memory pool) is where pending transactions are stored before they are written to the blockchain. You can measure the size of the mempool in either "number of transactions", or the "size" that these pending transactions take up (usually in megabytes or kilobytes). The Bitcoin Mempool has become a convenient way to indicate how "backed up" the Bitcoin network is. A big jump in the size of the mempool may have several implications:In mid and late 2017, the BTC Mempool famously exploded in size. The chart below shows this firsthand:
BTC Mempool Chart chart courtesy of jochen-hoenicke.de


Historically, the BTC Mempool size is an important crypto indicator, often lining up with Bitcoin price spikes, changes in market volatility and a renewed interest in Bitcoin forks (such as Bitcoin Cash and Bitcoin SV).


How do I Monitor the Bitcoin Mempool?

Our platform offers free Bitcoin Mempool Size alerts, so you can get real-time notifications when the size of the mempool crosses a given threshold.

To get started, simply head over to the BTC Mempool Alert page, or use the embedded form below. Select a method to receive alerts (we support 9 different notification methods) and specify a threshold that you would like to monitor. Finally, select whether you want to measure the number of unconfirmed transactions, or simply the size of the mempool in megabytes.

You'll be prompted to sign up for a free account if you haven't already. You only need a valid email address to sign up. We ask for no personal information.


You're all set!

Now that your BTC Mempool Size alert has been activated, you'll begin monitoring the BTC mempool automatically. But don't stop there, we have lots of other ways to monitor the crypto space:

Related Crypto Trading Indicators

Bitcoin Mempool Alert

Get notified if the Bitcoin network becomes congested.

Send me anwhen the size of the Bitcoin mempool.
For reference, the mempool size is currently #### MB.
Create alarms for the size of the Bitcoin memory pool, which measures pending transactions on the blockchain.


Choose from many different ways to receive notifications, including our Telegram, Discord and Slack bots.


Rapid changes in the BTC Mempool size may be a leading indicator of market volatility.






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