diff --git a/test/python/test_ltc.py b/test/python/test_ltc.py
new file mode 100644
index 00000000..b8d1e041
--- /dev/null
+++ b/test/python/test_ltc.py
@@ -0,0 +1,102 @@
+import pytest
+from ragger.utils import prefix_with_len
+
+from .apps.exchange import ExchangeClient, Rate, SubCommand
+from .apps.litecoin import LitecoinClient
+
+from .apps.signing_authority import SigningAuthority, LEDGER_SIGNER
+from .apps.exchange_transaction_builder import get_partner_curve, craft_and_sign_tx, ALL_SUBCOMMANDS, get_credentials
+from .apps import cal as cal
+from .utils import handle_lib_call_start_or_stop
+
+CURRENCY_FROM = cal.LTC_CURRENCY_CONFIGURATION
+CURRENCY_TO = cal.ETH_CURRENCY_CONFIGURATION
+
+SWAP_TX_INFOS = {
+    "payin_address": "LKY4hyq7ucxtdGoQ6ajkwv4ddTNA4WpYhF",
+    "refund_address": "MJovkMvQ2rXXUj7TGVvnQyVMWghSdqZsmu",
+    "payout_address": "0xDad77910DbDFdE764fC21FCD4E74D71bBACA6D8D",
+    "payin_extra_id": "",
+    "refund_extra_id": "",
+    "payout_extra_id": "",
+    "currency_from": CURRENCY_FROM.ticker,
+    "currency_to": CURRENCY_TO.ticker,
+    "amount_to_provider": b"\010T2V",
+    "amount_to_wallet": b"\246\333t\233+\330\000",
+}
+FUND_TX_INFOS = {
+    "user_id": "John Wick",
+    "account_name": "Remember Daisy",
+    "in_currency": CURRENCY_FROM.ticker,
+    "in_amount": b"\010T2V",
+    "in_address": "LKY4hyq7ucxtdGoQ6ajkwv4ddTNA4WpYhF"
+}
+SELL_TX_INFOS = {
+    "trader_email": "john@doe.lost",
+    "out_currency": "USD",
+    "out_amount": {"coefficient": b"\x01", "exponent": 3},
+    "in_currency": CURRENCY_FROM.ticker,
+    "in_amount": b"\010T2V",
+    "in_address": "LKY4hyq7ucxtdGoQ6ajkwv4ddTNA4WpYhF"
+}
+TX_INFOS = {
+    SubCommand.SWAP: SWAP_TX_INFOS,
+    SubCommand.SWAP_NG: SWAP_TX_INFOS,
+    SubCommand.FUND: FUND_TX_INFOS,
+    SubCommand.FUND_NG: FUND_TX_INFOS,
+    SubCommand.SELL: SELL_TX_INFOS,
+    SubCommand.SELL_NG: SELL_TX_INFOS,
+}
+
+######################################################################################################
+# /!\ This test is also used to check the legacy subcommands SWAP, SELL, and FUND. Don't upgrade /!\ #
+# /!\ This test is also used to check the check_address_and_display commands.      Don't upgrade /!\ #
+######################################################################################################
+
+@pytest.mark.parametrize("subcommand", ALL_SUBCOMMANDS)
+def test_ltc(backend, exchange_navigation_helper, subcommand):
+    suffix = "_" + str(subcommand).split('.')[1].split('_')[0].lower()
+    exchange_navigation_helper.set_test_name_suffix(suffix)
+
+    ex = ExchangeClient(backend, Rate.FIXED, subcommand)
+    partner = SigningAuthority(curve=get_partner_curve(subcommand), name="Default name")
+
+    transaction_id = ex.init_transaction().data
+    credentials = get_credentials(subcommand, partner)
+    ex.set_partner_key(credentials)
+    ex.check_partner_key(LEDGER_SIGNER.sign(credentials))
+
+    fees = 339
+
+    tx, tx_signature = craft_and_sign_tx(subcommand, TX_INFOS[subcommand], transaction_id, fees, partner)
+    ex.process_transaction(tx)
+    ex.check_transaction_signature(tx_signature)
+
+    from_configuration = CURRENCY_FROM.get_conf_for_ticker()
+    if subcommand == SubCommand.SWAP or subcommand == SubCommand.SWAP_NG:
+        to_configuration = CURRENCY_TO.get_conf_for_ticker()
+        ex.check_payout_address(to_configuration)
+
+        # Request the final address check and UI approval request on the device
+        with ex.check_refund_address(from_configuration):
+            exchange_navigation_helper.simple_accept()
+    else:
+        with ex.check_asset_in(from_configuration):
+            exchange_navigation_helper.simple_accept()
+    ex.start_signing_transaction()
+
+    ltc = LitecoinClient(backend)
+
+    ltc.get_public_key(bytes.fromhex('058000005480000002800000000000000000000001'))
+    ltc.get_coin_version()
+    ltc.get_trusted_input(bytes.fromhex('000000000200000001'))
+    ltc.get_trusted_input(bytes.fromhex('5afe770dd416a3e3a7852ffc7c2cb03ec2e4f1709f07d2a61776f27461e455290000000000'))
+    ltc.get_trusted_input(bytes.fromhex('ffffffff'))
+    ltc.get_trusted_input(bytes.fromhex('01'))
+    ltc.get_trusted_input(bytes.fromhex('a9335408000000001600146efd74d16ca7e5da5ce06d449fb9124fd6af05cd'))
+    result = ltc.get_trusted_input(bytes.fromhex('00000000')).data
+    ltc.get_public_key(bytes.fromhex('058000005480000002800000000000000000000000'))
+    ltc.hash_input(bytes.fromhex('0100000001'))
+    ltc.hash_input(bytes.fromhex('01') + prefix_with_len(result) + bytes.fromhex('00'))
+    ltc.hash_input(bytes.fromhex('00000000'))
+    ltc.hash_input(bytes.fromhex('0156325408000000001976a914036cdde130e7b93b86d27425145082bc2b6c724488ac'), finalize=True)