diff --git a/backend/models.py b/backend/models.py
index f6b3688..4184720 100644
--- a/backend/models.py
+++ b/backend/models.py
@@ -346,6 +346,11 @@ class Exchange(Base):
     direction: Mapped[TradeDirection] = mapped_column(
         Enum(TradeDirection), nullable=False
     )
+    bitcoin_transfer_method: Mapped[BitcoinTransferMethod] = mapped_column(
+        Enum(BitcoinTransferMethod),
+        nullable=False,
+        default=BitcoinTransferMethod.ONCHAIN,
+    )
     eur_amount: Mapped[int] = mapped_column(Integer, nullable=False)  # EUR cents
     sats_amount: Mapped[int] = mapped_column(Integer, nullable=False)  # Satoshis
 
diff --git a/backend/tests/test_exchange.py b/backend/tests/test_exchange.py
index e1095de..c7ec778 100644
--- a/backend/tests/test_exchange.py
+++ b/backend/tests/test_exchange.py
@@ -9,7 +9,13 @@ from unittest.mock import patch
 
 import pytest
 
-from models import Exchange, ExchangeStatus, PriceHistory, TradeDirection
+from models import (
+    BitcoinTransferMethod,
+    Exchange,
+    ExchangeStatus,
+    PriceHistory,
+    TradeDirection,
+)
 from price_fetcher import PAIR_BTC_EUR, SOURCE_BITFINEX
 
 
@@ -621,6 +627,7 @@ class TestCancelTrade:
                 slot_start=past_time,
                 slot_end=past_time + timedelta(minutes=15),
                 direction=TradeDirection.BUY,
+                bitcoin_transfer_method=BitcoinTransferMethod.ONCHAIN,
                 eur_amount=10000,
                 sats_amount=500000,
                 market_price_eur=20000.0,
@@ -707,6 +714,7 @@ class TestAdminPastTrades:
                 slot_start=past_time,
                 slot_end=past_time + timedelta(minutes=15),
                 direction=TradeDirection.BUY,
+                bitcoin_transfer_method=BitcoinTransferMethod.ONCHAIN,
                 eur_amount=10000,
                 sats_amount=500000,
                 market_price_eur=20000.0,
@@ -742,6 +750,7 @@ class TestAdminCompleteTrade:
                 slot_start=past_time,
                 slot_end=past_time + timedelta(minutes=15),
                 direction=TradeDirection.BUY,
+                bitcoin_transfer_method=BitcoinTransferMethod.ONCHAIN,
                 eur_amount=10000,
                 sats_amount=500000,
                 market_price_eur=20000.0,
@@ -803,6 +812,7 @@ class TestAdminCompleteTrade:
                 slot_start=past_time,
                 slot_end=past_time + timedelta(minutes=15),
                 direction=TradeDirection.BUY,
+                bitcoin_transfer_method=BitcoinTransferMethod.ONCHAIN,
                 eur_amount=10000,
                 sats_amount=500000,
                 market_price_eur=20000.0,
@@ -834,6 +844,7 @@ class TestAdminCompleteTrade:
                 slot_start=past_time,
                 slot_end=past_time + timedelta(minutes=15),
                 direction=TradeDirection.BUY,
+                bitcoin_transfer_method=BitcoinTransferMethod.ONCHAIN,
                 eur_amount=10000,
                 sats_amount=500000,
                 market_price_eur=20000.0,
@@ -869,6 +880,7 @@ class TestAdminNoShowTrade:
                 slot_start=past_time,
                 slot_end=past_time + timedelta(minutes=15),
                 direction=TradeDirection.BUY,
+                bitcoin_transfer_method=BitcoinTransferMethod.ONCHAIN,
                 eur_amount=10000,
                 sats_amount=500000,
                 market_price_eur=20000.0,