Credential table

aw-design-diagram/er-diagram.md

@@ -109,12 +109,12 @@
 
         Credential {
             uuid id
-            string participant_did
+            uuid exchange_id
+            uuid cred_def_id
+            string participant_id
             string principal_did
             DateTime created_date
-            uuid created_by
             DateTime updated_date
-            uuid updated_by
         }
 
         CredentialDef {