diff --git a/test/functional/abc_p2p_proof_inventory.py b/test/functional/abc_p2p_proof_inventory.py
--- a/test/functional/abc_p2p_proof_inventory.py
+++ b/test/functional/abc_p2p_proof_inventory.py
@@ -307,7 +307,7 @@
         raw_tx = node.createrawtransaction(
             inputs=[{
                 # coinbase
-                "txid": uint256_hex(utxo.hash),
+                "txid": uint256_hex(utxo.txid),
                 "vout": utxo.n
             }],
             outputs={ADDRESS_ECREG_UNSPENDABLE: 25_000_000 - 250.00},
diff --git a/test/functional/data/invalid_txs.py b/test/functional/data/invalid_txs.py
--- a/test/functional/data/invalid_txs.py
+++ b/test/functional/data/invalid_txs.py
@@ -152,7 +152,7 @@
     def get_tx(self):
         tx = CTransaction()
         tx.vin.append(self.valid_txin)
-        tx.vin.append(CTxIn(COutPoint(hash=0, n=0xffffffff)))
+        tx.vin.append(CTxIn(COutPoint(txid=0, n=0xffffffff)))
         tx.vout.append(CTxOut(1, basic_p2sh))
         tx.calc_sha256()
         return tx
diff --git a/test/functional/feature_utxo_set_hash.py b/test/functional/feature_utxo_set_hash.py
--- a/test/functional/feature_utxo_set_hash.py
+++ b/test/functional/feature_utxo_set_hash.py
@@ -69,7 +69,7 @@
 
             for tx in block.vtx:
                 for n, tx_out in enumerate(tx.vout):
-                    coinbase = 1 if not tx.vin[0].prevout.hash else 0
+                    coinbase = 1 if not tx.vin[0].prevout.txid else 0
 
                     data = COutPoint(int(tx.rehash(), 16), n).serialize()
                     data += struct.pack("<i", height * 2 + coinbase)
diff --git a/test/functional/mempool_accept.py b/test/functional/mempool_accept.py
--- a/test/functional/mempool_accept.py
+++ b/test/functional/mempool_accept.py
@@ -158,7 +158,7 @@
 
         self.log.info('A transaction with missing inputs, that never existed')
         tx = FromHex(CTransaction(), raw_tx_0)
-        tx.vin[0].prevout = COutPoint(hash=int('ff' * 32, 16), n=14)
+        tx.vin[0].prevout = COutPoint(txid=int('ff' * 32, 16), n=14)
         # skip re-signing the tx
         self.check_mempool_result(
             result_expected=[
@@ -278,7 +278,7 @@
 
         self.log.info('A non-coinbase transaction with coinbase-like outpoint')
         tx = FromHex(CTransaction(), raw_tx_reference)
-        tx.vin.append(CTxIn(COutPoint(hash=0, n=0xffffffff)))
+        tx.vin.append(CTxIn(COutPoint(txid=0, n=0xffffffff)))
         self.check_mempool_result(
             result_expected=[{'txid': tx.rehash(),
                               'allowed': False,
diff --git a/test/functional/mining_basic.py b/test/functional/mining_basic.py
--- a/test/functional/mining_basic.py
+++ b/test/functional/mining_basic.py
@@ -117,7 +117,7 @@
         self.log.info(
             "getblocktemplate: Test bad input hash for coinbase transaction")
         bad_block = copy.deepcopy(block)
-        bad_block.vtx[0].vin[0].prevout.hash += 1
+        bad_block.vtx[0].vin[0].prevout.txid += 1
         bad_block.vtx[0].rehash()
         assert_template(node, bad_block, 'bad-cb-missing')
 
@@ -139,7 +139,7 @@
         self.log.info("getblocktemplate: Test invalid transaction")
         bad_block = copy.deepcopy(block)
         bad_tx = copy.deepcopy(bad_block.vtx[0])
-        bad_tx.vin[0].prevout.hash = 255
+        bad_tx.vin[0].prevout.txid = 255
         bad_tx.rehash()
         bad_block.vtx.append(bad_tx)
         assert_template(node, bad_block, 'bad-txns-inputs-missingorspent')
diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py
--- a/test/functional/test_framework/messages.py
+++ b/test/functional/test_framework/messages.py
@@ -353,24 +353,24 @@
 
 
 class COutPoint:
-    __slots__ = ("hash", "n")
+    __slots__ = ("txid", "n")
 
-    def __init__(self, hash=0, n=0):
-        self.hash = hash
+    def __init__(self, txid=0, n=0):
+        self.txid = txid
         self.n = n
 
     def deserialize(self, f):
-        self.hash = deser_uint256(f)
+        self.txid = deser_uint256(f)
         self.n = struct.unpack("<I", f.read(4))[0]
 
     def serialize(self):
         r = b""
-        r += ser_uint256(self.hash)
+        r += ser_uint256(self.txid)
         r += struct.pack("<I", self.n)
         return r
 
     def __repr__(self):
-        return f"COutPoint(hash={uint256_hex(self.hash)} n={self.n})"
+        return f"COutPoint(txid={uint256_hex(self.txid)} n={self.n})"
 
 
 class CTxIn:
@@ -2291,7 +2291,7 @@
         self.assertEqual(len(avaproof.stakes), 1)
         self.assertEqual(avaproof.stakes[0].sig, b64decode(
             "RTTKH14iZwvj31y9WVfY3YPQXI8X6uOR8Of/3OT7Pe+tt8B5Rz6+zPiMH4zofGHkUUR7icRFlnM1/9Gq3vQpmA=="))
-        self.assertEqual(f"{avaproof.stakes[0].stake.utxo.hash:x}",
+        self.assertEqual(f"{avaproof.stakes[0].stake.utxo.txid:x}",
                          "915d9cc742b46b77c52f69eb6be16739e5ff1cd82ad4fa4ac6581d3ef29fa769"
                          )
         self.assertEqual(avaproof.stakes[0].stake.utxo.n, 567214302)