diff --git a/chainqueue/encode.py b/chainqueue/encode.py
new file mode 100644
index 0000000..c9397a2
--- /dev/null
+++ b/chainqueue/encode.py
@@ -0,0 +1,48 @@
+# standard imports
+import logging
+
+# external imports
+from hexathon import (
+        add_0x,
+        strip_0x,
+        uniform as hex_uniform,
+        )
+
+logg = logging.getLogger(__name__)
+
+
+class TxHexNormalize:
+
+    def tx_hash(self, tx_hash):
+        return self.__hex_normalize(tx_hash)
+
+
+    def tx_wire(self, tx_wire):
+        return self.__hex_normalize(tx_wire)
+
+
+    def wallet_address(self, address):
+        return self.__hex_normalize(address)
+
+
+    def executable_address(self, address):
+        return self.__hex_normalize(address)
+
+
+    def __hex_normalize(self, data):
+        r = add_0x(hex_uniform(strip_0x(data)))
+        logg.debug('tx hex normalize {} -> {}'.format(data, r))
+        return r
+
+
+class NoopNormalize:
+
+    def __init__(self):
+        self.tx_hash = self.__noop
+        self.tx_wire = self.__noop
+        self.wallet_address = self.__noop
+        self.executable_address = self.__noop
+
+
+    def __noop(self, data):
+        return data
diff --git a/setup.cfg b/setup.cfg
index aa7e10e..2cc1095 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = chainqueue
-version = 0.0.4a7
+version = 0.0.4a8
 description = Generic blockchain transaction queue control
 author = Louis Holbrook
 author_email = dev@holbrook.no