diff --git a/backend/validate_constants.py b/backend/validate_constants.py
index a6f7c83..dc7b6a4 100644
--- a/backend/validate_constants.py
+++ b/backend/validate_constants.py
@@ -6,6 +6,7 @@ from pathlib import Path
 from models import (
     ROLE_ADMIN,
     ROLE_REGULAR,
+    BitcoinTransferMethod,
     ExchangeStatus,
     InviteStatus,
     TradeDirection,
@@ -59,6 +60,15 @@ def validate_shared_constants() -> None:
             f"Expected: {expected_trade_directions}, Got: {got}"
         )
 
+    # Validate bitcoin transfer methods
+    expected_transfer_methods = {m.name: m.value for m in BitcoinTransferMethod}
+    if constants.get("bitcoinTransferMethods") != expected_transfer_methods:
+        got = constants.get("bitcoinTransferMethods")
+        raise ValueError(
+            f"Bitcoin transfer method mismatch. "
+            f"Expected: {expected_transfer_methods}, Got: {got}"
+        )
+
     # Validate exchange constants exist with required fields
     exchange = constants.get("exchange", {})
     required_exchange_fields = [
@@ -71,6 +81,7 @@ def validate_shared_constants() -> None:
         "premiumPercentage",
         "priceRefreshSeconds",
         "priceStalenessSeconds",
+        "lightningMaxEur",
     ]
     for field in required_exchange_fields:
         if field not in exchange: