Note that exclusive ownership is out of scope

MarkLodato · MarkLodato · commit ddb48b2daec0 · 2021-06-21T15:21:40.000-04:00
diff --git a/README.md b/README.md
@@ -22,7 +22,8 @@ Specifications for:
 
 Out of scope (for now at least):
 
-*   Key management / PKI
+*   Key management / PKI /
+    [exclusive ownership](https://www.bolet.org/~pornin/2005-acns-pornin+stern.pdf)
 
 ## Why not...?
 
