diff --git a/ccdn/ccdn_architecture.md b/ccdn/ccdn_architecture.md
index b004f9e..4c7f11f 100644
--- a/ccdn/ccdn_architecture.md
+++ b/ccdn/ccdn_architecture.md
@@ -525,3 +525,8 @@ This minimizes complexity and reduces the attack surface.
 9. DNS distributes client load across active nodes.
 
 This architecture is designed to remain operational even as nodes join and leave the network over time.
+
+
+# Open questions
+
+Use https://iocaine.madhouse-project.org/ to prevent AI abuse ? Would this conflict with normal HPR users ?
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