diff --git a/README.md b/README.md
index a4b79ac..309a472 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ nix-bitcoin
 
 Nix packages and nixos modules including profiles to easily install featureful Bitcoin nodes.
 Work in progress.
+A demo installation is running at http://6tr4dg3f2oa7slotdjp4syvnzzcry2lqqlcvqkfxdavxo6jsuxwqpxad.onion.
 
 Profiles
 ---