diff --git a/electrum_dash/address_synchronizer.py b/electrum_dash/address_synchronizer.py
index 74bd146ca..c78ffe3f3 100644
--- a/electrum_dash/address_synchronizer.py
+++ b/electrum_dash/address_synchronizer.py
@@ -315,7 +315,7 @@ def add_transaction(self, tx: Transaction, *, allow_unrelated=False) -> bool:
             # being is_mine, as we roll the gap_limit forward
 
             # prevent lelantus transasctions stored as cb.
-            is_coinbase = tx.inputs()[0].is_coinbase_input() and not tx.inputs()[0].is_lelantus_input()
+            is_coinbase = tx.inputs()[0].is_coinbase_input() and not (tx.inputs()[0].is_lelantus_input() or tx.inputs()[0].is_spark_input())
             tx_height = self.get_tx_height(tx_hash).height
             if not allow_unrelated:
                 # note that during sync, if the transactions are not properly sorted,
diff --git a/electrum_dash/dash_tx.py b/electrum_dash/dash_tx.py
index 7d5143e90..fac093a98 100644
--- a/electrum_dash/dash_tx.py
+++ b/electrum_dash/dash_tx.py
@@ -696,6 +696,26 @@ def read_vds(cls, vds):
         vds.read_cursor = len(vds.input)
         return tx
 
+class FiroSparkSpend(ProTxBase):
+    __slots__ = ('sparkData').split()
+
+    def __str__(self):
+        res = ('sparkData: %s\n'
+               % (self.sparkData))
+        return res
+
+    def serialize(self):
+        res = (
+            self.sparkData
+        )
+        return res
+
+    @classmethod
+    def read_vds(cls, vds):
+        tx = FiroSparkSpend(vds.input[vds.read_cursor:])
+        vds.read_cursor = len(vds.input)
+        return tx
+
 class DashSubTxRegister(ProTxBase):
     '''Class representing DIP5 SubTxRegister'''
 
@@ -856,6 +876,7 @@ def read_vds(cls, vds):
 SPEC_PRO_UP_REV_TX = 4
 SPEC_CB_TX = 5
 LELANTUS_JSPLIT = 8
+SPARK_SPEND = 9
 
 
 SPEC_TX_HANDLERS = {
@@ -865,6 +886,7 @@ def read_vds(cls, vds):
     SPEC_PRO_UP_REV_TX: DashProUpRevTx,
     SPEC_CB_TX: DashCbTx,
     LELANTUS_JSPLIT: FiroLelantusJsplitTx,
+    SPARK_SPEND: FiroSparkSpend,
 }
 
 
@@ -888,7 +910,8 @@ class PSTxTypes(IntEnum):
     SPEC_PRO_UP_REG_TX: 'ProUpRegTx',
     SPEC_PRO_UP_REV_TX: 'ProUpRevTx',
     SPEC_CB_TX: 'CbTx',
-    LELANTUS_JSPLIT: 'LelantusJsplit'
+    LELANTUS_JSPLIT: 'LelantusJsplit',
+    SPARK_SPEND: 'SparkSpend'
 }
 
 
diff --git a/electrum_dash/transaction.py b/electrum_dash/transaction.py
index a34b08d55..f66994043 100644
--- a/electrum_dash/transaction.py
+++ b/electrum_dash/transaction.py
@@ -209,6 +209,9 @@ def is_lelantus_input(self) -> bool:
         return self.script_sig and \
                (self.script_sig[0] == 0xC7 or self.script_sig[0] == 0xC9)
 
+    def is_spark_input(self) -> bool:
+        return self.script_sig and self.script_sig[0] == 0xd3
+
     def is_coinbase_input(self) -> bool:
         """Whether this is the input of a coinbase tx."""
         return self.prevout.is_coinbase()