diff --git a/src/Zenith/Utils.hs b/src/Zenith/Utils.hs
index e5b54c3..e38beb1 100644
--- a/src/Zenith/Utils.hs
+++ b/src/Zenith/Utils.hs
@@ -24,7 +24,7 @@ import ZcashHaskell.Types
   , TransparentAddress(..)
   , UnifiedAddress(..)
   , ZcashNet(..)
-  , ValidAddress(..) 
+  , ValidAddress(..)
   , ExchangeAddress(..)
   )
 import Zenith.Types
@@ -126,7 +126,7 @@ isRecipientValid a = do
              Nothing -> False)
 
 isUnifiedAddressValid :: T.Text -> Bool
-isUnifiedAddressValid ua = 
+isUnifiedAddressValid ua =
     case isValidUnifiedAddress (E.encodeUtf8 ua)  of
             Just _a1 -> True
             Nothing -> False
@@ -135,41 +135,26 @@ isSaplingAddressValid :: T.Text -> Bool
 isSaplingAddressValid sa = isValidShieldedAddress (E.encodeUtf8 sa)
 
 isTransparentAddressValid :: T.Text -> Bool
-isTransparentAddressValid ta = 
+isTransparentAddressValid ta =
   case decodeTransparentAddress (E.encodeUtf8 ta) of
          Just _a3 -> True
          Nothing -> False
 
 isExchangeAddressValid :: T.Text -> Bool
-isExchangeAddressValid xa = 
+isExchangeAddressValid xa =
   case decodeExchangeAddress (E.encodeUtf8 xa) of
     Just _a4 -> True
-    Nothing -> False        
+    Nothing -> False
 
 isRecipientValidGUI :: PrivacyPolicy -> T.Text -> Bool
 isRecipientValidGUI p a  = do
-  let adr = (parseAddress a)
-  case adr of
-    Just a  ->
-      case p of 
-        Full -> case a of
-                  Unified ua -> True
-                  Sapling sa -> True 
-                  _ -> False
-        Medium -> case a of
-                  Unified ua -> True
-                  Sapling sa -> True 
-                  _ -> False
-        Low -> case a of
-                  Unified ua -> True
-                  Sapling sa -> True 
-                  Transparent ta -> True
-                  Exchange ea -> True
-        None -> case a of
-                  Transparent ta -> True
-                  Exchange ea -> True
-    _ -> False
- 
+  let adr = parseAddress a
+  case p of
+    Full -> True
+    Medium -> True
+    Low -> False
+    None -> False   
+
 isZecAddressValid ::  T.Text -> Bool
 isZecAddressValid a = do
   case isValidUnifiedAddress (E.encodeUtf8 a) of
diff --git a/zcash-haskell b/zcash-haskell
index 7965dc3..1229602 160000
--- a/zcash-haskell
+++ b/zcash-haskell
@@ -1 +1 @@
-Subproject commit 7965dc38c48da348f503a52ee10042fffc43f32c
+Subproject commit 12296026a0ebb9a5afe0904b251c5d31080eab18