diff --git a/README.md b/README.md
index 1dfbdae..fad9eff 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,11 @@ External guides can be out-of-date and have various problems.
 At least double-check that the guide you're using is actively maintained.
 If you can't use our guide, please ask about what you don't understand or consider using automated deployments.
 
+Note that this implementation of Electrum server is optimized for **personal/small-scale (family/friends) usage**.
+It's a bad idea to run it publicly as it'd expose you to DoS and maybe also other attacks.
+If you want to run a public server you may be interested in the [Blockstream fork of electrs](https://github.com/Blockstream/electrs)
+which is better optimized for public usage at the cost of consuming *significantly* more resources.
+
  * [Installation from source](doc/install.md) 
  * [Pre-built binaries](doc/binaries.md) (No official binaries available but a beta repository is available for installation) 
  * [Configuration](doc/config.md)