diff --git a/electrumx/lib/coins.py b/electrumx/lib/coins.py
index f5b83eb..ad92e2b 100644
--- a/electrumx/lib/coins.py
+++ b/electrumx/lib/coins.py
@@ -31,6 +31,7 @@ necessary for appropriate handling.
 '''
 
 from collections import namedtuple
+import base64
 import re
 import struct
 from decimal import Decimal