diff --git a/services.md b/services.md
index 46d85a6..59b9301 100644
--- a/services.md
+++ b/services.md
@@ -61,6 +61,9 @@ The following services are available on the Yggdrasil v0.4 network, courtesy of
 
 - [Nikat's homepage](https://[302:a2a5:dead:ded::a2a5]/)
   - `https://[302:a2a5:dead:ded::a2a5]/`
+
+- [Causa Arcana](http://[200:f0a1:c2ef:37a2:467f:9f74:ae64:9954]/) - Russian blog about information technologies, security and cryptoanarchism
+  - `http://[200:f0a1:c2ef:37a2:467f:9f74:ae64:9954]/`
  
 ----