diff --git a/seednode/README.md b/seednode/README.md
index 3ca04e0f9b0..3eb7e14574c 100644
--- a/seednode/README.md
+++ b/seednode/README.md
@@ -2,6 +2,7 @@
 
 * Install bisq-seednode.service in /etc/systemd/system
 * Install bisq-seednode in /etc/default
+* Install blocknotify.sh in bitcoind's ~/.bitcoin/ folder and chmod 700 it
 * Modify the executable paths and configuration as necessary
 * Then you can do:
 
diff --git a/seednode/blocknotify.sh b/seednode/blocknotify.sh
new file mode 100755
index 00000000000..cd9f4be60c9
--- /dev/null
+++ b/seednode/blocknotify.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo $1 | nc -w 1 127.0.0.1 5120