diff --git a/known-value-assignments/json/0_blockchain_commons_registry.json b/known-value-assignments/json/0_blockchain_commons_registry.json
index 0393e7e..c31d52b 100644
--- a/known-value-assignments/json/0_blockchain_commons_registry.json
+++ b/known-value-assignments/json/0_blockchain_commons_registry.json
@@ -478,6 +478,20 @@
       "uri": "",
       "description": "The Tezos cryptocurrency (\"XTZ\")"
     },
+    {
+      "codepoint": 304,
+      "name": "Polkadot",
+      "type": "value",
+      "uri": "",
+      "description": "The Polkadot cryptocurrency (\"DOT\")"
+    },
+    {
+      "codepoint": 305,
+      "name": "Kusama",
+      "type": "value",
+      "uri": "",
+      "description": "The Kusama cryptocurrency (\"KSM\")"
+    },
     {
       "codepoint": 400,
       "name": "network",