diff --git a/src/keri/core/serdering.py b/src/keri/core/serdering.py
index 9cac1f3cc..63c79bbd9 100644
--- a/src/keri/core/serdering.py
+++ b/src/keri/core/serdering.py
@@ -336,16 +336,19 @@ class Serder:
                             r='', rr='', q={}),
                         saids={Saids.d: DigDex.Blake3_256}),
                     Ilks.rpy: FieldDom(alls=dict(v='', t='',d='', i='', dt='',
-                            r='',a=[]),
+                            r='',a={}),
                         saids={Saids.d: DigDex.Blake3_256}),
                     Ilks.pro: FieldDom(alls=dict(v='', t='',d='', i='', dt='',
                             r='', rr='', q={}),
                         saids={Saids.d: DigDex.Blake3_256}),
                     Ilks.bar: FieldDom(alls=dict(v='', t='',d='', i='', dt='',
-                            r='',a=[]),
+                            r='',a={}),
                         saids={Saids.d: DigDex.Blake3_256}),
-                    Ilks.exn: FieldDom(alls=dict(v='', t='', d='', i="", p="",
-                            dt='', r='', q={}, a=[], e={}),
+                    Ilks.xip: FieldDom(alls=dict(v='', t='', d='', i="", dt='',
+                                                 r='', q={}, a={}),
+                        saids={Saids.d: DigDex.Blake3_256}),
+                    Ilks.exn: FieldDom(alls=dict(v='', t='', d='', i="", x="",
+                            p="", dt='', r='', q={}, a={}),
                         saids={Saids.d: DigDex.Blake3_256}),
                 },
             },
@@ -366,9 +369,9 @@ class Serder:
 
 
     # default ilk for each protocol at default version is zeroth ilk in dict
-    Ilks = dict()
+    DefaultIlks = dict()
     for key, val in Fields.items():
-        Ilks[key] = list(list(val.values())[0].keys())
+        DefaultIlks[key] = list(list(val.values())[0].keys())
 
 
     def __init__(self, *, raw=b'', sad=None, strip=False, version=Version,
@@ -650,7 +653,7 @@ def makify(self, sad, *, version=None,
             kind = skind if skind is not None else self.Kind
 
         if ilk is None:
-            ilk = silk if silk is not None else self.Ilks[proto][0]
+            ilk = silk if silk is not None else self.DefaultIlks[proto][0]
 
 
         if proto not in self.Fields:
diff --git a/src/keri/kering.py b/src/keri/kering.py
index 972666322..5c3194c6a 100644
--- a/src/keri/kering.py
+++ b/src/keri/kering.py
@@ -321,14 +321,16 @@ def sniff(ims):
 """
 
 # KERI protocol packet (message) types
-Ilkage = namedtuple("Ilkage", ('icp rot ixn dip drt rct qry rpy exn '
+Ilkage = namedtuple("Ilkage", ('icp rot ixn dip drt rct qry rpy xip exn '
                                'pro bar vcp vrt iss rev bis brv '))
 
 Ilks = Ilkage(icp='icp', rot='rot', ixn='ixn', dip='dip', drt='drt',
               rct='rct',
-              qry='qry', rpy='rpy', exn='exn', pro='pro', bar='bar',
+              qry='qry', rpy='rpy', xip='xip', exn='exn', pro='pro', bar='bar',
               vcp='vcp', vrt='vrt', iss='iss', rev='rev', bis='bis', brv='brv')
 
+# Ilks needs to be versioned for Protocol versions or else use Serder.Fields
+
 # note ksn is not actual standalone message but is embedded in exn msg when sent
 # over the wire. But keep ilk for legacy reasons.
 
diff --git a/tests/core/test_serdering.py b/tests/core/test_serdering.py
index b8d60c46d..e0943ce80 100644
--- a/tests/core/test_serdering.py
+++ b/tests/core/test_serdering.py
@@ -49,7 +49,8 @@ def test_serder():
 
     assert Serder.Fields
 
-    assert Serder.Ilks == {'KERI': ['icp',
+    # Version 1.0 ilks
+    assert Serder.DefaultIlks == {'KERI': ['icp',
                                     'rot',
                                     'ixn',
                                     'dip',