diff --git a/src/Zenith/Core.hs b/src/Zenith/Core.hs
index 4e1d2c6..ffad5fa 100644
--- a/src/Zenith/Core.hs
+++ b/src/Zenith/Core.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 
--- Core wallet functionality for Zenith
+-- | Core wallet functionality for Zenith
 module Zenith.Core where
 
 import Control.Exception (throwIO)
diff --git a/src/Zenith/DB.hs b/src/Zenith/DB.hs
index 8345aef..67daeb6 100644
--- a/src/Zenith/DB.hs
+++ b/src/Zenith/DB.hs
@@ -19,13 +19,15 @@ module Zenith.DB where
 
 import Control.Monad.IO.Class (liftIO)
 import qualified Data.ByteString as BS
+import Data.HexString
 import qualified Data.Text as T
 import Database.Persist
 import Database.Persist.Sqlite
 import Database.Persist.TH
 import ZcashHaskell.Types (Scope(..), ZcashNet)
 import Zenith.Types
-  ( OrchardSpendingKeyDB(..)
+  ( HexStringDB(..)
+  , OrchardSpendingKeyDB(..)
   , PhraseDB(..)
   , SaplingSpendingKeyDB(..)
   , ScopeDB(..)
@@ -65,6 +67,18 @@ share
     deriving Show Eq
     |]
 
+share
+  [mkPersist sqlSettings, mkMigrate "rawStorage"]
+  [persistLowerCase|
+  WalletTransaction
+    block Int
+    txId HexStringDB
+    conf Int
+    time Int
+    hex HexStringDB
+    deriving Show Eq
+    |]
+
 -- * Database functions
 -- | Initializes the database
 initDb ::
@@ -73,6 +87,12 @@ initDb ::
 initDb dbName = do
   runSqlite dbName $ do runMigration migrateAll
 
+-- | Initializes the raw data storage
+initRawStore ::
+     T.Text -- ^ the database path
+  -> IO ()
+initRawStore dbFilePath = runSqlite dbFilePath $ runMigration rawStorage
+
 -- | Get existing wallets from database
 getWallets :: T.Text -> ZcashNet -> IO [Entity ZcashWallet]
 getWallets dbFp n =