Installing Mempool Explorer

Part 3. Installing Mempool Explorer

December 20, 2023


  • Completed “Dojo Node Guide,” Parts 1, 2.
  • Fulcrum synchronization completed.

Introduction #

The Mempool Visual Explorer is a valuable tool for looking up detailed information about blocks, addresses, balances & transactions.

Hosting your instance locally is preferable to entering personal transaction details into websites you don’t control.

Install Docker #

Before installing Mempool, Docker is required.

Add Docker’s official GPG key.

sudo apt update
sudo apt install ca-certificates gnupg -y
sudo install -m 0755 -d /etc/apt/keyrings
torsocks curl -fsSL | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

Add the Docker repository to Apt sources.

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update

Install the Docker packages.

sudo apt-get install docker-ce docker-ce-cli docker-buildx-plugin docker-compose-plugin -y

Add the user to the docker group.

sudo usermod -aG docker satoshi

Log out.


Log back in as “satoshi” again. This re-evaluates the user’s new membership to the Docker group.

Install Mempool #

Clone the Mempool repository.

git clone

Enter the Mempool Docker directory.

cd mempool/docker

Open the “docker-compose.yml” file.

nano docker-compose.yml

Edit the following lines.

  - 80:8080

  - 4080:8080

####edit to your nodes local ip
####edit to your core rpc username & password
####change all 3 instances of
restart: on-failure

restart: always

Add the following lines below “STATISTICS_ENABLED,” editing “ELECTRUM_HOST” to include the node’s local IP.


Paste the following block at the bottom of the file on the next available free line. Ensure the spacing is exactly as shown.

    driver: bridge
        - subnet:

Save and exit the file.

Now, initialize Mempool.

docker compose up -d

Open a web browser, and in the address bar, type your node’s IP address, followed by “:4080” to visit the local Mempool instance.

As a fresh install, it may take time before Mempool fully populates, so don’t be concerned if the dashboard is incomplete.

Tor Connections #

A Tor Browser can access The local Mempool installation from anywhere worldwide. A unique onion address is required for this functionality.

Open the “torrc” file.

sudo nano /etc/tor/torrc

Add the following lines to the bottom of the file, then save and exit.

# Hidden Service Mempool
HiddenServiceDir /var/lib/tor/mempool/
HiddenServiceVersion 3
HiddenServicePort 80

Restart the Tor service.

sudo systemctl restart tor

Mempool’s Tor address can be requested with the following command.

sudo cat /var/lib/tor/mempool/hostname

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