diff --git a/.github/workflows/build_and_functional_tests.yml b/.github/workflows/build_and_functional_tests.yml
index 75e44231..8f6023a6 100644
--- a/.github/workflows/build_and_functional_tests.yml
+++ b/.github/workflows/build_and_functional_tests.yml
@@ -19,7 +19,14 @@ jobs:
     uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_build.yml@v1
     with:
       upload_app_binaries_artifact: "compiled_app_binaries"
-      flags: "RELEASE_BUILD=0"
+      flags: "RELEASE_BUILD=1"
+
+  ragger_tests:
+    name: Run ragger tests using the reusable workflow
+    needs: build_application
+    uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_ragger_tests.yml@v1
+    with:
+      download_app_binaries_artifact: "compiled_app_binaries"
 
   zemu_tests:
     name: Run zemu tests
diff --git a/Makefile b/Makefile
index 3b295c3a..15d75f25 100644
--- a/Makefile
+++ b/Makefile
@@ -27,7 +27,7 @@ GIT_DESCRIBE=$(shell git describe --tags --abbrev=8 --always --long --dirty 2>/d
 VERSION_TAG=$(shell echo $(GIT_DESCRIBE) | sed 's/^v//g')
 APPVERSION_M=1
 APPVERSION_N=3
-APPVERSION_P=0
+APPVERSION_P=1
 APPVERSION=$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)
 APPNAME = "Mina"
 
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 00000000..79ca5236
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,56 @@
+from ragger.conftest import configuration
+from ragger.navigator import NavInsID
+import pytest
+
+###########################
+### CONFIGURATION START ###
+###########################
+
+# You can configure optional parameters by overriding the value of ragger.configuration.OPTIONAL_CONFIGURATION
+# Please refer to ragger/conftest/configuration.py for their descriptions and accepted values
+configuration.OPTIONAL.BACKEND_SCOPE = "class"
+
+configuration.OPTIONAL.CUSTOM_SEED = "course grief vintage slim tell hospital car maze model style elegant kitchen state purpose matrix gas grid enable frown road goddess glove canyon key"
+
+#########################
+### CONFIGURATION END ###
+#########################
+
+# Pull all features from the base ragger conftest using the overridden configuration
+pytest_plugins = ("ragger.conftest.base_conftest", )
+
+def pytest_addoption(parser):
+    parser.addoption(
+        "--all", action="store_true", default=False, help="Run all tests including crypto tests (not for release builds)"
+    )
+
+def pytest_configure(config):
+    config.addinivalue_line("markers", "all: only run for not release builds")
+
+def pytest_collection_modifyitems(config, items):
+    if config.getoption("--all"):
+        return
+    skip = pytest.mark.skip(reason="Use --all flag to run")
+    for item in items:
+        if "all" in item.keywords:
+            item.add_marker(skip)
+
+class PreauthNavigator:
+    def __init__(self, navigator, firmware, default_screenshot_path, test_name):
+        self.navigator = navigator
+        self.firmware = firmware
+        self.default_screenshot_path = default_screenshot_path
+        self.test_name = test_name
+
+    def navigate(self):
+        if self.firmware.is_nano:
+            self.navigator.navigate_until_text_and_compare(navigate_instruction=NavInsID.RIGHT_CLICK,
+                                                           validation_instructions=[NavInsID.BOTH_CLICK],
+                                                           text="Generate",
+                                                           path=self.default_screenshot_path,
+                                                           test_case_name=self.test_name + "_preauth",
+                                                           screen_change_after_last_instruction=False)
+
+@pytest.fixture(scope="function")
+def preauth_navigator(navigator, firmware, default_screenshot_path, test_name) -> PreauthNavigator:
+    return PreauthNavigator(navigator, firmware, default_screenshot_path, test_name)
diff --git a/tests/mina_client.py b/tests/mina_client.py
new file mode 100644
index 00000000..c3a2a2d1
--- /dev/null
+++ b/tests/mina_client.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+
+from contextlib import contextmanager
+
+from ragger.backend.interface import BackendInterface, RAPDU
+import sys
+import os
+
+sys.path.append(os.path.dirname(os.path.realpath(__file__)) + "/../utils/")
+import mina_ledger_wallet as mina
+
+class MinaClient:
+    backend: BackendInterface
+
+    def __init__(self, backend):
+        self._client = backend
+
+    @contextmanager
+    def get_address_async(self, account):
+        # Create APDU message.
+        # CLA 0xe0 CLA
+        # INS 0x02 INS_GET_ADDR
+        # P1  0x00 UNUSED
+        # P2  0x00 UNUSED
+        account = '{:08x}'.format(account)
+        apduMessage = 'e0020000' + \
+            '{:02x}'.format(int(len(account)/2)) + account
+        apdu = bytearray.fromhex(apduMessage)
+
+        with self._client.exchange_async_raw(apdu):
+            yield
+
+    @contextmanager
+    def sign_tx_async(self, tx_type, sender_account, sender_address, receiver, amount, fee, nonce,
+                      valid_until, memo, network_id):
+        sender_bip44_account = '{:08x}'.format(int(sender_account))
+        sender_address = sender_address.encode().hex()
+        receiver = receiver.encode().hex()
+        amount = '{:016x}'.format(int(amount))
+        fee = '{:016x}'.format(int(fee))
+        nonce = '{:08x}'.format(nonce)
+        valid_until = '{:08x}'.format(valid_until)
+        memo = memo.ljust(mina.MAX_MEMO_LEN, '\x00')[
+            :mina.MAX_MEMO_LEN].encode().hex()
+        tag = '{:02x}'.format(tx_type)
+        network_id = '{:02x}'.format(network_id)
+
+        total_len = len(sender_bip44_account) \
+            + len(sender_address) \
+            + len(receiver) \
+            + len(amount) \
+            + len(fee) \
+            + len(nonce) \
+            + len(valid_until) \
+            + len(memo) \
+            + len(tag) \
+            + len(network_id)
+
+        # Create APDU message.
+        #     CLA 0xe0 CLA
+        #     INS 0x03 INS_SIGN_TX
+        #     P1  0x00 UNUSED
+        #     P2  0x00 UNUSED
+        apduMessage = 'e0030000' + '{:02x}'.format(int(total_len/2)) \
+                      + sender_bip44_account \
+                      + sender_address \
+                      + receiver \
+                      + amount \
+                      + fee \
+                      + nonce \
+                      + valid_until \
+                      + memo \
+                      + tag \
+                      + network_id
+
+        apdu = bytearray.fromhex(apduMessage)
+
+        with self._client.exchange_async_raw(apdu):
+            yield
diff --git a/tests/random_oracle_input_tests.c b/tests/random_oracle_input_tests.c
new file mode 100644
index 00000000..93f65ad6
--- /dev/null
+++ b/tests/random_oracle_input_tests.c
@@ -0,0 +1,315 @@
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+
+#include "random_oracle_input.h"
+#include "transaction.h"
+#include "utils.h"
+
+int main()
+{
+    const char *fee_payer_str = "B62qiy32p8kAKnny8ZFwoMhYpBppM1DWVCqAPBYNcXnsAHhnfAAuXgg";
+    const char *source_str = "B62qiy32p8kAKnny8ZFwoMhYpBppM1DWVCqAPBYNcXnsAHhnfAAuXgg";
+    const char *receiver_str = "B62qrcFstkpqXww1EkSGrqMCwCNho86kuqBd4FrAAUsPxNKdiPzAUsy";
+    const char *actual_memo = "this is a memo";
+
+    {
+        // Create transaction
+        Transaction tx = {
+            .fee = 3,
+            .fee_token = 1,
+            .nonce = 200,
+            .valid_until = 10000,
+            .tag = {0, 0, 0},
+            .token_id = 1,
+            .amount = 42,
+            .token_locked = false
+        };
+        transaction_prepare_memo(tx.memo, actual_memo);
+        read_public_key_compressed(&tx.fee_payer_pk, fee_payer_str);
+        read_public_key_compressed(&tx.source_pk, source_str);
+        read_public_key_compressed(&tx.receiver_pk, receiver_str);
+
+        // Create random oracle input
+        Field   input_fields[3];
+        uint8_t input_bits[TX_BITSTRINGS_BYTES];
+        assert(TX_BITSTRINGS_BYTES == 75);
+        ROInput input = roinput_create(input_fields, input_bits);
+        transaction_to_roinput(&input, &tx);
+
+        Keypair kp = {
+            {
+                {
+                    0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                    0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                    0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                    0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f
+                },
+                {
+                    0x27, 0xb4, 0x7c, 0x17, 0x29, 0xf0, 0x74, 0xd9,
+                    0xa3, 0x8b, 0x69, 0x9b, 0xac, 0x05, 0x6b, 0xcc,
+                    0x94, 0xf3, 0x54, 0x59, 0x85, 0x6f, 0xa5, 0xec,
+                    0x37, 0x57, 0x95, 0x68, 0xc5, 0xb9, 0x7c, 0xac
+                }
+
+            },
+            {
+                0x3d, 0x08, 0x2f, 0xcf, 0xdd, 0x54, 0x05, 0x32,
+                0x35, 0x1b, 0x84, 0xba, 0x15, 0xdb, 0xef, 0x5b,
+                0xd2, 0xa6, 0x0f, 0xe9, 0x5e, 0x85, 0x0f, 0x1e,
+                0x28, 0xf8, 0xeb, 0x53, 0xf7, 0x12, 0x84, 0xd6
+            }
+        };
+
+        // derive message test
+        uint8_t target_derive_msg[268] = {
+            0x0f, 0x48, 0xc6, 0x5b, 0xd2, 0x5f, 0x85, 0xf3, 0xe4, 0xea, 0x4e, 0xfe,
+            0xbe, 0xb7, 0x5b, 0x79, 0x7b, 0xd7, 0x43, 0x60, 0x3b, 0xe0, 0x4b, 0x4e,
+            0xad, 0x84, 0x56, 0x98, 0xb7, 0x6b, 0xd3, 0xb1, 0x07, 0x24, 0xe3, 0x2d,
+            0xe9, 0xaf, 0xc2, 0x79, 0x72, 0x75, 0x27, 0x7f, 0xdf, 0xdb, 0xad, 0xbc,
+            0xbd, 0xeb, 0x21, 0xb0, 0x1d, 0xf0, 0x25, 0xa7, 0x56, 0x42, 0x2b, 0xcc,
+            0xdb, 0xb5, 0xe9, 0xd8, 0xfc, 0x12, 0x94, 0x97, 0x46, 0x01, 0xfb, 0xbe,
+            0x4c, 0x5f, 0xa3, 0xd9, 0x93, 0xfd, 0x49, 0xcb, 0x37, 0x57, 0xb0, 0xbd,
+            0x25, 0xc6, 0xae, 0x1a, 0xd1, 0x41, 0xfa, 0x14, 0xcc, 0xd9, 0xf9, 0xe0,
+            0x01, 0xc9, 0x78, 0x4b, 0xfa, 0xab, 0x70, 0x9e, 0x5c, 0xdd, 0xc9, 0xdf,
+            0xf7, 0x76, 0x2b, 0x6f, 0xef, 0x7a, 0x08, 0x6c, 0x07, 0x7c, 0xc9, 0xa9,
+            0x95, 0xd0, 0x0a, 0xf3, 0x76, 0x6d, 0x3a, 0xc6, 0xca, 0x97, 0x5b, 0x8c,
+            0x56, 0x79, 0x75, 0xc3, 0x5e, 0xfa, 0x56, 0x98, 0x45, 0x35, 0x4f, 0xc9,
+            0xbc, 0x56, 0xc0, 0xba, 0x99, 0xb6, 0x38, 0x9a, 0x4d, 0x07, 0x9f, 0x72,
+            0xc1, 0x47, 0x7b, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x0c, 0x00, 0x00, 0x00,
+            0x71, 0x02, 0x00, 0x10, 0xe0, 0x40, 0x87, 0x96, 0x36, 0x07, 0x92, 0x36,
+            0x07, 0x12, 0x06, 0xd2, 0x56, 0xd6, 0xf6, 0x06, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x58, 0x13, 0x4a, 0xdc, 0x4f, 0xad,
+            0xe3, 0xa3, 0x78, 0x3c, 0x14, 0x7a, 0xa5, 0x3f, 0x98, 0x4a, 0x6f, 0xbd,
+            0x6f, 0x57, 0xe8, 0x12, 0x6e, 0xd4, 0xc8, 0x14, 0x50, 0x75, 0x3f, 0xbf,
+            0x20, 0xf4, 0x00, 0x00
+        };
+        uint8_t this_derive_msg[268] = { 0 };
+        size_t derive_msg_len = roinput_derive_message(this_derive_msg, sizeof(this_derive_msg), &kp, &input, TESTNET_ID);
+        assert(derive_msg_len == 268);
+        assert(memcmp(this_derive_msg, target_derive_msg, sizeof(target_derive_msg)) == 0);
+
+        // hash message tests
+        Field rx = {
+            0x3a, 0x5a, 0x10, 0x87, 0xe0, 0x75, 0x07, 0x9d,
+            0x5a, 0xbb, 0x53, 0xdb, 0x51, 0xf9, 0xd2, 0xc0,
+            0x97, 0xef, 0x4a, 0x60, 0xf3, 0xb8, 0x16, 0x26,
+            0x6f, 0x2c, 0x94, 0x65, 0xb8, 0x9c, 0x6a, 0x5e
+        };
+
+        Field target_hash_msg[] = {
+            {
+                0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f,
+            },
+            {
+                0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f,
+            },
+            {
+                0x03, 0xe7, 0x67, 0x30, 0x53, 0xe9, 0x07, 0x44,
+                0x6a, 0xbb, 0x18, 0x96, 0xf6, 0xc1, 0x5c, 0xdf,
+                0x2d, 0x27, 0xf6, 0x4f, 0x66, 0x8d, 0x7d, 0x32,
+                0xfb, 0xec, 0x05, 0x1a, 0x5e, 0x50, 0x4b, 0xf3,
+            },
+            {
+                0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f,
+            },
+            {
+                0x27, 0xb4, 0x7c, 0x17, 0x29, 0xf0, 0x74, 0xd9,
+                0xa3, 0x8b, 0x69, 0x9b, 0xac, 0x05, 0x6b, 0xcc,
+                0x94, 0xf3, 0x54, 0x59, 0x85, 0x6f, 0xa5, 0xec,
+                0x37, 0x57, 0x95, 0x68, 0xc5, 0xb9, 0x7c, 0xac,
+            },
+            {
+                0x3a, 0x5a, 0x10, 0x87, 0xe0, 0x75, 0x07, 0x9d,
+                0x5a, 0xbb, 0x53, 0xdb, 0x51, 0xf9, 0xd2, 0xc0,
+                0x97, 0xef, 0x4a, 0x60, 0xf3, 0xb8, 0x16, 0x26,
+                0x6f, 0x2c, 0x94, 0x65, 0xb8, 0x9c, 0x6a, 0x5e,
+            },
+            {
+                0x12, 0x40, 0xe6, 0xd2, 0xd0, 0xe8, 0x1c, 0x02,
+                0x00, 0x00, 0x4e, 0x20, 0x00, 0x00, 0x01, 0x90,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+            },
+            {
+                0x00, 0x00, 0x00, 0x00, 0x01, 0x80, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+                0x7b, 0x6b, 0x2b, 0x69, 0x03, 0x09, 0x03, 0x9b,
+            },
+            {
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0xa8, 0x00, 0x00, 0x00,
+            },
+        };
+        Field this_hash_msg[9];
+        size_t hash_msg_fields = roinput_hash_message(this_hash_msg, sizeof(this_hash_msg), &kp.pub, rx, &input);
+        assert(hash_msg_fields == 9);
+        assert(memcmp(this_hash_msg, target_hash_msg, sizeof(target_hash_msg)) == 0);
+    }
+
+    {
+        // Create transaction
+        Transaction tx = {
+            .fee = 3,
+            .fee_token = 1,
+            .nonce = 200,
+            .valid_until = 10000,
+            .tag = {0, 0, 0},
+            .token_id = 1,
+            .amount = 42,
+            .token_locked = false
+        };
+        transaction_prepare_memo(tx.memo, actual_memo);
+        read_public_key_compressed(&tx.fee_payer_pk, fee_payer_str);
+        read_public_key_compressed(&tx.source_pk, source_str);
+        read_public_key_compressed(&tx.receiver_pk, receiver_str);
+
+        // Create random oracle input
+        Field   input_fields[3];
+        uint8_t input_bits[TX_BITSTRINGS_BYTES];
+        assert(TX_BITSTRINGS_BYTES == 75);
+        ROInput input = roinput_create(input_fields, input_bits);
+        transaction_to_roinput(&input, &tx);
+
+        Keypair kp = {
+            {
+                {
+                    0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                    0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                    0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                    0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f
+                },
+                {
+                    0x27, 0xb4, 0x7c, 0x17, 0x29, 0xf0, 0x74, 0xd9,
+                    0xa3, 0x8b, 0x69, 0x9b, 0xac, 0x05, 0x6b, 0xcc,
+                    0x94, 0xf3, 0x54, 0x59, 0x85, 0x6f, 0xa5, 0xec,
+                    0x37, 0x57, 0x95, 0x68, 0xc5, 0xb9, 0x7c, 0xac
+                }
+
+            },
+            {
+                0x3d, 0x08, 0x2f, 0xcf, 0xdd, 0x54, 0x05, 0x32,
+                0x35, 0x1b, 0x84, 0xba, 0x15, 0xdb, 0xef, 0x5b,
+                0xd2, 0xa6, 0x0f, 0xe9, 0x5e, 0x85, 0x0f, 0x1e,
+                0x28, 0xf8, 0xeb, 0x53, 0xf7, 0x12, 0x84, 0xd6
+            }
+        };
+
+        // derive message test
+        uint8_t target_derive_msg[268] = {
+            0x0f, 0x48, 0xc6, 0x5b, 0xd2, 0x5f, 0x85, 0xf3, 0xe4, 0xea, 0x4e, 0xfe,
+            0xbe, 0xb7, 0x5b, 0x79, 0x7b, 0xd7, 0x43, 0x60, 0x3b, 0xe0, 0x4b, 0x4e,
+            0xad, 0x84, 0x56, 0x98, 0xb7, 0x6b, 0xd3, 0xb1, 0x07, 0x24, 0xe3, 0x2d,
+            0xe9, 0xaf, 0xc2, 0x79, 0x72, 0x75, 0x27, 0x7f, 0xdf, 0xdb, 0xad, 0xbc,
+            0xbd, 0xeb, 0x21, 0xb0, 0x1d, 0xf0, 0x25, 0xa7, 0x56, 0x42, 0x2b, 0xcc,
+            0xdb, 0xb5, 0xe9, 0xd8, 0xfc, 0x12, 0x94, 0x97, 0x46, 0x01, 0xfb, 0xbe,
+            0x4c, 0x5f, 0xa3, 0xd9, 0x93, 0xfd, 0x49, 0xcb, 0x37, 0x57, 0xb0, 0xbd,
+            0x25, 0xc6, 0xae, 0x1a, 0xd1, 0x41, 0xfa, 0x14, 0xcc, 0xd9, 0xf9, 0xe0,
+            0x01, 0xc9, 0x78, 0x4b, 0xfa, 0xab, 0x70, 0x9e, 0x5c, 0xdd, 0xc9, 0xdf,
+            0xf7, 0x76, 0x2b, 0x6f, 0xef, 0x7a, 0x08, 0x6c, 0x07, 0x7c, 0xc9, 0xa9,
+            0x95, 0xd0, 0x0a, 0xf3, 0x76, 0x6d, 0x3a, 0xc6, 0xca, 0x97, 0x5b, 0x8c,
+            0x56, 0x79, 0x75, 0xc3, 0x5e, 0xfa, 0x56, 0x98, 0x45, 0x35, 0x4f, 0xc9,
+            0xbc, 0x56, 0xc0, 0xba, 0x99, 0xb6, 0x38, 0x9a, 0x4d, 0x07, 0x9f, 0x72,
+            0xc1, 0x47, 0x7b, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x0c, 0x00, 0x00, 0x00,
+            0x71, 0x02, 0x00, 0x10, 0xe0, 0x40, 0x87, 0x96, 0x36, 0x07, 0x92, 0x36,
+            0x07, 0x12, 0x06, 0xd2, 0x56, 0xd6, 0xf6, 0x06, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x58, 0x13, 0x4a, 0xdc, 0x4f, 0xad,
+            0xe3, 0xa3, 0x78, 0x3c, 0x14, 0x7a, 0xa5, 0x3f, 0x98, 0x4a, 0x6f, 0xbd,
+            0x6f, 0x57, 0xe8, 0x12, 0x6e, 0xd4, 0xc8, 0x14, 0x50, 0x75, 0x3f, 0xbf,
+            0x20, 0xf4, 0x02, 0x00
+        };
+        uint8_t this_derive_msg[268] = { 0 };
+        size_t derive_msg_len = roinput_derive_message(this_derive_msg, sizeof(this_derive_msg), &kp, &input, MAINNET_ID);
+        assert(derive_msg_len == 268);
+        assert(memcmp(this_derive_msg, target_derive_msg, sizeof(target_derive_msg)) == 0);
+
+        // hash message tests
+        Field rx = {
+            0x3a, 0x5a, 0x10, 0x87, 0xe0, 0x75, 0x07, 0x9d,
+            0x5a, 0xbb, 0x53, 0xdb, 0x51, 0xf9, 0xd2, 0xc0,
+            0x97, 0xef, 0x4a, 0x60, 0xf3, 0xb8, 0x16, 0x26,
+            0x6f, 0x2c, 0x94, 0x65, 0xb8, 0x9c, 0x6a, 0x5e
+        };
+
+        Field target_hash_msg[] = {
+            {
+                0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f,
+            },
+            {
+                0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f,
+            },
+            {
+                0x03, 0xe7, 0x67, 0x30, 0x53, 0xe9, 0x07, 0x44,
+                0x6a, 0xbb, 0x18, 0x96, 0xf6, 0xc1, 0x5c, 0xdf,
+                0x2d, 0x27, 0xf6, 0x4f, 0x66, 0x8d, 0x7d, 0x32,
+                0xfb, 0xec, 0x05, 0x1a, 0x5e, 0x50, 0x4b, 0xf3,
+            },
+            {
+                0x31, 0xd3, 0x6b, 0xb7, 0x98, 0x56, 0x84, 0xad,
+                0x4e, 0x4b, 0xe0, 0x3b, 0x60, 0x43, 0xd7, 0x7b,
+                0x79, 0x5b, 0xb7, 0xbe, 0xfe, 0x4e, 0xea, 0xe4,
+                0xf3, 0x85, 0x5f, 0xd2, 0x5b, 0xc6, 0x48, 0x0f,
+            },
+            {
+                0x27, 0xb4, 0x7c, 0x17, 0x29, 0xf0, 0x74, 0xd9,
+                0xa3, 0x8b, 0x69, 0x9b, 0xac, 0x05, 0x6b, 0xcc,
+                0x94, 0xf3, 0x54, 0x59, 0x85, 0x6f, 0xa5, 0xec,
+                0x37, 0x57, 0x95, 0x68, 0xc5, 0xb9, 0x7c, 0xac,
+            },
+            {
+                0x3a, 0x5a, 0x10, 0x87, 0xe0, 0x75, 0x07, 0x9d,
+                0x5a, 0xbb, 0x53, 0xdb, 0x51, 0xf9, 0xd2, 0xc0,
+                0x97, 0xef, 0x4a, 0x60, 0xf3, 0xb8, 0x16, 0x26,
+                0x6f, 0x2c, 0x94, 0x65, 0xb8, 0x9c, 0x6a, 0x5e,
+            },
+            {
+                0x12, 0x40, 0xe6, 0xd2, 0xd0, 0xe8, 0x1c, 0x02,
+                0x00, 0x00, 0x4e, 0x20, 0x00, 0x00, 0x01, 0x90,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+            },
+            {
+                0x00, 0x00, 0x00, 0x00, 0x01, 0x80, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+                0x7b, 0x6b, 0x2b, 0x69, 0x03, 0x09, 0x03, 0x9b,
+            },
+            {
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0xa8, 0x00, 0x00, 0x00,
+            },
+        };
+        Field this_hash_msg[9];
+        size_t hash_msg_fields = roinput_hash_message(this_hash_msg, sizeof(this_hash_msg), &kp.pub, rx, &input);
+        assert(hash_msg_fields == 9);
+        assert(memcmp(this_hash_msg, target_hash_msg, sizeof(target_hash_msg)) == 0);
+    }
+
+    printf("Random oracle input tests completed successfully!\n");
+}
diff --git a/tests/requirements.txt b/tests/requirements.txt
new file mode 100644
index 00000000..2fd1d0fb
--- /dev/null
+++ b/tests/requirements.txt
@@ -0,0 +1,4 @@
+base58
+bip32
+ragger[tests,speculos]
+ledgerblue
diff --git a/tests/setup.cfg b/tests/setup.cfg
new file mode 100644
index 00000000..f1b54e36
--- /dev/null
+++ b/tests/setup.cfg
@@ -0,0 +1,2 @@
+[tool:pytest]
+addopts = --strict-markers
diff --git a/tests/snapshots/flex/test_get_address_0/00000.png b/tests/snapshots/flex/test_get_address_0/00000.png
new file mode 100644
index 00000000..b1361772
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diff --git a/tests/snapshots/flex/test_get_address_0/00001.png b/tests/snapshots/flex/test_get_address_0/00001.png
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index 00000000..f01ae569
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index 00000000..3b744d02
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index 00000000..4321e601
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index 00000000..b1361772
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new file mode 100644
index 00000000..61776efe
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index 00000000..e13fe089
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index 00000000..4321e601
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index 00000000..19562e19
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index 00000000..b1361772
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new file mode 100644
index 00000000..5a0b0c58
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diff --git a/tests/snapshots/flex/test_get_address_2/00002.png b/tests/snapshots/flex/test_get_address_2/00002.png
new file mode 100644
index 00000000..829f5efa
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diff --git a/tests/snapshots/flex/test_get_address_2/00003.png b/tests/snapshots/flex/test_get_address_2/00003.png
new file mode 100644
index 00000000..4321e601
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diff --git a/tests/snapshots/flex/test_get_address_2/00004.png b/tests/snapshots/flex/test_get_address_2/00004.png
new file mode 100644
index 00000000..19562e19
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diff --git a/tests/snapshots/flex/test_get_address_3/00000.png b/tests/snapshots/flex/test_get_address_3/00000.png
new file mode 100644
index 00000000..b1361772
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new file mode 100644
index 00000000..75909e6b
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index 00000000..4321e601
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index 00000000..19562e19
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diff --git a/tests/snapshots/flex/test_get_address_49370/00000.png b/tests/snapshots/flex/test_get_address_49370/00000.png
new file mode 100644
index 00000000..b1361772
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diff --git a/tests/snapshots/flex/test_get_address_49370/00001.png b/tests/snapshots/flex/test_get_address_49370/00001.png
new file mode 100644
index 00000000..e790aae9
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diff --git a/tests/snapshots/flex/test_get_address_49370/00002.png b/tests/snapshots/flex/test_get_address_49370/00002.png
new file mode 100644
index 00000000..5f99555c
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diff --git a/tests/snapshots/flex/test_get_address_49370/00003.png b/tests/snapshots/flex/test_get_address_49370/00003.png
new file mode 100644
index 00000000..4321e601
Binary files /dev/null and b/tests/snapshots/flex/test_get_address_49370/00003.png differ
diff --git a/tests/snapshots/flex/test_get_address_49370/00004.png b/tests/snapshots/flex/test_get_address_49370/00004.png
new file mode 100644
index 00000000..19562e19
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diff --git a/tests/snapshots/flex/test_get_address_x312a/00000.png b/tests/snapshots/flex/test_get_address_x312a/00000.png
new file mode 100644
index 00000000..b1361772
Binary files /dev/null and b/tests/snapshots/flex/test_get_address_x312a/00000.png differ
diff --git a/tests/snapshots/flex/test_get_address_x312a/00001.png b/tests/snapshots/flex/test_get_address_x312a/00001.png
new file mode 100644
index 00000000..4774989e
Binary files /dev/null and b/tests/snapshots/flex/test_get_address_x312a/00001.png differ
diff --git a/tests/snapshots/flex/test_get_address_x312a/00002.png b/tests/snapshots/flex/test_get_address_x312a/00002.png
new file mode 100644
index 00000000..4f525250
Binary files /dev/null and b/tests/snapshots/flex/test_get_address_x312a/00002.png differ
diff --git a/tests/snapshots/flex/test_get_address_x312a/00003.png b/tests/snapshots/flex/test_get_address_x312a/00003.png
new file mode 100644
index 00000000..4321e601
Binary files /dev/null and b/tests/snapshots/flex/test_get_address_x312a/00003.png differ
diff --git a/tests/snapshots/flex/test_get_address_x312a/00004.png b/tests/snapshots/flex/test_get_address_x312a/00004.png
new file mode 100644
index 00000000..19562e19
Binary files /dev/null and b/tests/snapshots/flex/test_get_address_x312a/00004.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00000.png b/tests/snapshots/flex/test_sign_tx_0/00000.png
new file mode 100644
index 00000000..bc63e9c0
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00000.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00001.png b/tests/snapshots/flex/test_sign_tx_0/00001.png
new file mode 100644
index 00000000..2333bc6f
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00001.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00002.png b/tests/snapshots/flex/test_sign_tx_0/00002.png
new file mode 100644
index 00000000..2f8badf2
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00002.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00003.png b/tests/snapshots/flex/test_sign_tx_0/00003.png
new file mode 100644
index 00000000..0c969413
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00003.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00004.png b/tests/snapshots/flex/test_sign_tx_0/00004.png
new file mode 100644
index 00000000..251f0d56
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00004.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00005.png b/tests/snapshots/flex/test_sign_tx_0/00005.png
new file mode 100644
index 00000000..be51a9d5
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00005.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0/00006.png b/tests/snapshots/flex/test_sign_tx_0/00006.png
new file mode 100644
index 00000000..19562e19
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0/00006.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00000.png b/tests/snapshots/flex/test_sign_tx_0_1/00000.png
new file mode 100644
index 00000000..bc63e9c0
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00000.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00001.png b/tests/snapshots/flex/test_sign_tx_0_1/00001.png
new file mode 100644
index 00000000..f1dd87b8
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00001.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00002.png b/tests/snapshots/flex/test_sign_tx_0_1/00002.png
new file mode 100644
index 00000000..6edb7766
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00002.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00003.png b/tests/snapshots/flex/test_sign_tx_0_1/00003.png
new file mode 100644
index 00000000..1309ed3c
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00003.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00004.png b/tests/snapshots/flex/test_sign_tx_0_1/00004.png
new file mode 100644
index 00000000..251f0d56
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00004.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00005.png b/tests/snapshots/flex/test_sign_tx_0_1/00005.png
new file mode 100644
index 00000000..be51a9d5
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00005.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_1/00006.png b/tests/snapshots/flex/test_sign_tx_0_1/00006.png
new file mode 100644
index 00000000..19562e19
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_1/00006.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00000.png b/tests/snapshots/flex/test_sign_tx_0_2/00000.png
new file mode 100644
index 00000000..bc63e9c0
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00000.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00001.png b/tests/snapshots/flex/test_sign_tx_0_2/00001.png
new file mode 100644
index 00000000..f3bc4fdc
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00001.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00002.png b/tests/snapshots/flex/test_sign_tx_0_2/00002.png
new file mode 100644
index 00000000..2f8badf2
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00002.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00003.png b/tests/snapshots/flex/test_sign_tx_0_2/00003.png
new file mode 100644
index 00000000..0c969413
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00003.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00004.png b/tests/snapshots/flex/test_sign_tx_0_2/00004.png
new file mode 100644
index 00000000..251f0d56
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00004.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00005.png b/tests/snapshots/flex/test_sign_tx_0_2/00005.png
new file mode 100644
index 00000000..be51a9d5
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00005.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_2/00006.png b/tests/snapshots/flex/test_sign_tx_0_2/00006.png
new file mode 100644
index 00000000..19562e19
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_2/00006.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_3/00000.png b/tests/snapshots/flex/test_sign_tx_0_3/00000.png
new file mode 100644
index 00000000..bc63e9c0
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_3/00000.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_3/00001.png b/tests/snapshots/flex/test_sign_tx_0_3/00001.png
new file mode 100644
index 00000000..45bf9237
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_3/00001.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_3/00002.png b/tests/snapshots/flex/test_sign_tx_0_3/00002.png
new file mode 100644
index 00000000..6edb7766
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_3/00002.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_3/00003.png b/tests/snapshots/flex/test_sign_tx_0_3/00003.png
new file mode 100644
index 00000000..1309ed3c
Binary files /dev/null and b/tests/snapshots/flex/test_sign_tx_0_3/00003.png differ
diff --git a/tests/snapshots/flex/test_sign_tx_0_3/00004.png b/tests/snapshots/flex/test_sign_tx_0_3/00004.png
new file mode 100644
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diff --git a/tests/test_crypto.py b/tests/test_crypto.py
new file mode 100644
index 00000000..821003ef
--- /dev/null
+++ b/tests/test_crypto.py
@@ -0,0 +1,8 @@
+#!/usr/bin/env python3
+
+
+def test_crypto(backend):
+    apdu = bytearray.fromhex("e004000000")
+    assert(not backend.send_raw(apdu))
+
+
diff --git a/tests/test_fuzz.py b/tests/test_fuzz.py
new file mode 100644
index 00000000..593192d0
--- /dev/null
+++ b/tests/test_fuzz.py
@@ -0,0 +1,134 @@
+#!/usr/bin/env python3
+
+
+def test_fuzz(backend):
+        # Invalid message 1
+        apdu = bytearray.fromhex("")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid message 2
+        apdu = bytearray.fromhex("00")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid message 3
+        apdu = bytearray.fromhex("a5a501a6")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid message 4
+        apdu = bytearray.fromhex("b08fdaeeb08fdaee6e8f58de53c7f54e3b86ef06d646e0c28173ab524cf21297eed41c870346760ecee46558de53c7f5b08fdaee6e8f58de53c7f54e3b86e119a24cf21f06d646e0c28173ab5465b08fdaee6e8f58de53c7f54e3b86e119a24cf21297eed41c8703467652279a3e7ec598ef6f06d646e0c28173ab57f897719eb5db73b16043bc7cc0c94cf21297eed41c870346760ecee465")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid message 5
+        apdu = bytearray.fromhex("000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid command
+        apdu = bytearray.fromhex("01f600000400000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid instruction 1
+        apdu = bytearray.fromhex("e00000000400000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid instruction 2
+        apdu = bytearray.fromhex("e00500000400000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid instruction 3
+        apdu = bytearray.fromhex("e0ff00000400000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid get address (message too small, corrupt client)
+        apdu = bytearray.fromhex("e00200000300000000")
+        assert(not backend.send_raw(apdu))
+
+        # Ledger boilerplate bug
+        # Invalid get address (too small, corrupt ledger protocol)
+        apdu = bytearray.fromhex("e002000004")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid get address (message too big, corrupt client 1)
+        apdu = bytearray.fromhex("e00200000500000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid get address (message too big, corrupt client 2)
+        apdu = bytearray.fromhex("e0020000ff00000000")
+        assert(not backend.send_raw(apdu))
+
+        # Ledger API bug - This should be detected by Ledger
+        # Invalid get address (message too big, corrupt ledger protocol)
+        apdu = bytearray.fromhex("e0020000040000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid get address 4294967296 (account number range)
+        apdu = bytearray.fromhex("e0020000050100000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid get address 18446744073709551615 (account number range, message too big)
+        apdu = bytearray.fromhex("e002000008ffffffffffffffff")
+        assert(not backend.send_raw(apdu))
+
+        # Valid get max address 4294967295
+        apdu = bytearray.fromhex("e002000004ffffffff")
+        assert(backend.send_raw(apdu) == None)
+
+        # Invalid sign tx (message way too small)
+        apdu = bytearray.fromhex("e00300000158000000004236327172476158")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (message too small, corrupt client)
+        apdu = bytearray.fromhex("e0030000aa00000000423632716e7a62586d524e6f397133326e34534e75326d70423865374659594c48384e6d6158366f464342596a6a513853624437757a56423632716963697059787945487537516a557153375176426970547335437a676b595a5a5a6b506f4b5659427536746e44556345395a7400000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (message too small, corrupt client)
+        apdu = bytearray.fromhex("e00300000000000000423632716e7a62586d524e6f397133326e34534e75326d70423865374659594c48384e6d6158366f464342596a6a513853624437757a56423632716963697059787945487537516a557153375176426970547335437a676b595a5a5a6b506f4b5659427536746e44556345395a7400000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Ledger boilerplate bug (very bad things!)
+        # Invalid sign tx (message too small, corrupt ledger 1)
+        apdu = bytearray.fromhex("e0030000ab")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (message too big, corrupt client 1)
+        apdu = bytearray.fromhex("e0030000ff00000000423632716e7a62586d524e6f397133326e34534e75326d70423865374659594c48384e6d6158366f464342596a6a513853624437757a56423632716963697059787945487537516a557153375176426970547335437a676b595a5a5a6b506f4b5659427536746e44556345395a7400000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (message too big, corrupt client 2)
+        apdu = bytearray.fromhex("e0030000ac000000004236327172476158683977656b6677614132797a55626862764659796e6b6d426b68594c56333664767935416b52766765516e593676784236327170614463386e66753461377867686b456e6938753272426a7837454839354d46655a41685467476f666f706178466a6453375000000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (message too big, corrupt client 3)
+        apdu = bytearray.fromhex("e0030000ad000000004236327172476158683977656b6677614132797a55626862764659796e6b6d426b68594c56333664767935416b52766765516e593676784236327170614463386e66753461377867686b456e6938753272426a7837454839354d46655a41685467476f666f706178466a6453375000000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Ledger boilerplate bug
+        # Invalid sign tx (message way too big, corrupt ledger 1)
+        apdu = bytearray.fromhex("e0030000ab00000000423632716e7a62586d524e6f397133326e34534e75326d70423865374659594c48384e6d6158366f464342596a6a513853624437757a56423632716963697059787945487537516a557153375176426970547335437a676b595a5a5a6b506f4b5659427536746e44556345395a7400000192906e4a00000000007735940000000010000425d448656c6c6f204d696e61210000000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Ledger bug - Causes client to hang (subsequent requests work).
+        #
+        #     The hex length is 676.  Anything less than this does not freeze the API.
+        #     This should be detected by Ledger.  Could be a ledgerblue bug.
+        # # Invalid sign tx (message way too big, corrupt ledger 1)
+        # apdu = bytearray.fromhex("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")
+        # assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (sender address does not match account number)
+        apdu = bytearray.fromhex("e0030000ab000000004236327172476158683977656b6677614132797a55626862764659796e6b6d426b68594c56333664767935416b52766765516e593676784236327170614463386e66753461377867686b456e6938753272426a7837454839354d46655a41685467476f666f706178466a6453375000000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (corrupt sender addresses)
+        #                                                 X
+        apdu = bytearray.fromhex("e0030000ab000000004236327172F476158683977656b6677614132797a55626862764659796e6b6d426b68594c56333664767935416b52766765516e593676784236327170614463386e66753461377867686b456e6938753272426a7837454839354d46655a41685467476f666f706178466a6453375000000192906e4a00000000007735940000000010000425d448656c6c6f204d696e6121000000000000000000000000000000000000000000001")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (corrupt receiver addresses)
+        #                                                                                                                                                               X
+        apdu = bytearray.fromhex("e0030000ab000000004236327172476158683977656b6677614132797a55626862764659796e6b6d426b68594c56333664767935416b52766765516e593676784236327172F476158683977656b6677614132797a55626862764659796e6b6d426b68594c56333664767935416b52766765516e5936767800000192906e4a00000000007735940000000010000425d448656c6c6f204d696e61210000000000000000000000000000000000000000000")
+        assert(not backend.send_raw(apdu))
+
+        # Invalid sign tx (invalid tx type)
+        apdu = bytearray.fromhex("e0030000ab00000000423632716e7a62586d524e6f397133326e34534e75326d70423865374659594c48384e6d6158366f464342596a6a513853624437757a56423632716963697059787945487537516a557153375176426970547335437a676b595a5a5a6b506f4b5659427536746e44556345395a7400000192906e4a00000000007735940000000010000425d448656c6c6f204d696e612100000000000000000000000000000000000000000003")
+        assert(not backend.send_raw(apdu))
+
diff --git a/tests/test_mina.py b/tests/test_mina.py
new file mode 100644
index 00000000..89ce83e5
--- /dev/null
+++ b/tests/test_mina.py
@@ -0,0 +1,508 @@
+#!/usr/bin/env python3
+
+
+from mina_client import *
+
+
+class TestsAddress:
+    def test_get_address_0(self, preauth_navigator, backend, scenario_navigator):
+        # Address generation tests
+        #
+        #     These tests were automatically generated from the Mina c-reference-signer
+        #
+        #     Details:  https://github.com/MinaProtocol/c-reference-signer/README.markdown
+        #     Generate: ./unit_tests ledger_gen
+
+        minaClient = MinaClient(backend)
+        # account 0
+        # private key 164244176fddb5d769b7de2027469d027ad428fadcc0c02396e6280142efb718
+        with minaClient.get_address_async(0):
+            preauth_navigator.navigate()
+            scenario_navigator.address_review_approve()
+
+        response: bytes = backend.last_async_response.data.decode('utf-8').rstrip('\x00')
+
+        assert (response == "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV")
+
+    def test_get_address_1(self, preauth_navigator, backend, scenario_navigator):
+        minaClient = MinaClient(backend)
+
+        # account 1
+        # private key 3ca187a58f09da346844964310c7e0dd948a9105702b716f4d732e042e0c172e
+        with minaClient.get_address_async(1):
+            preauth_navigator.navigate()
+            scenario_navigator.address_review_approve()
+
+        response: bytes = backend.last_async_response.data.decode('utf-8').rstrip('\x00')
+
+        assert (response == "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt")
+
+
+    def test_get_address_2(self, preauth_navigator, backend, scenario_navigator):
+        minaClient = MinaClient(backend)
+
+        # account 2
+        # private key 336eb4a19b3d8905824b0f2254fb495573be302c17582748bf7e101965aa4774
+        with minaClient.get_address_async(2):
+            preauth_navigator.navigate()
+            scenario_navigator.address_review_approve()
+
+        response: bytes = backend.last_async_response.data.decode('utf-8').rstrip('\x00')
+
+        assert (response == "B62qrKG4Z8hnzZqp1AL8WsQhQYah3quN1qUj3SyfJA8Lw135qWWg1mi")
+
+
+    def test_get_address_3(self, preauth_navigator, backend, scenario_navigator):
+        minaClient = MinaClient(backend)
+
+        # account 3
+        # private key 1dee867358d4000f1dafa5978341fb515f89eeddbe450bd57df091f1e63d4444
+        with minaClient.get_address_async(3):
+            preauth_navigator.navigate()
+            scenario_navigator.address_review_approve()
+
+        response: bytes = backend.last_async_response.data.decode('utf-8').rstrip('\x00')
+
+        assert (response == "B62qoqiAgERjCjXhofXiD7cMLJSKD8hE8ZtMh4jX5MPNgKB4CFxxm1N")
+
+    def test_get_address_49370(self, preauth_navigator, backend, scenario_navigator):
+        minaClient = MinaClient(backend)
+
+        # account 49370
+        # private key 20f84123a26e58dd32b0ea3c80381f35cd01bc22a20346cc65b0a67ae48532ba
+        with minaClient.get_address_async(49370):
+            preauth_navigator.navigate()
+            scenario_navigator.address_review_approve()
+
+        response: bytes = backend.last_async_response.data.decode('utf-8').rstrip('\x00')
+
+        assert (response == "B62qkiT4kgCawkSEF84ga5kP9QnhmTJEYzcfgGuk6okAJtSBfVcjm1M")
+
+
+    def test_get_address_x312a(self, preauth_navigator, backend, scenario_navigator):
+        minaClient = MinaClient(backend)
+
+        # account 0x312a
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        with minaClient.get_address_async(0x312a):
+            preauth_navigator.navigate()
+            scenario_navigator.address_review_approve()
+
+        response: bytes = backend.last_async_response.data.decode('utf-8').rstrip('\x00')
+
+        assert (response == "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4")
+
+
+class TestsSign:
+    def test_sign_tx_0(self, backend, scenario_navigator):
+        # Sign transaction tests
+        #
+        #     These tests were automatically generated from the Mina c-reference-signer
+        #
+        #     Details:  https://github.com/MinaProtocol/c-reference-signer/README.markdown
+        #     Generate: ./unit_tests ledger_gen
+
+        minaClient = MinaClient(backend)
+
+        # account 0
+        # private key 164244176fddb5d769b7de2027469d027ad428fadcc0c02396e6280142efb718
+        # sig=11a36a8dfe5b857b95a2a7b7b17c62c3ea33411ae6f4eb3a907064aecae353c60794f1d0288322fe3f8bb69d6fabd4fd7c15f8d09f8783b2f087a80407e299af
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       0,
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       1729000000000,
+                       2000000000,
+                       16,
+                       271828,
+                       "Hello Mina!",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes = backend.last_async_response.data.hex()
+
+        assert (response == "11a36a8dfe5b857b95a2a7b7b17c62c3ea33411ae6f4eb3a907064aecae353c60794f1d0288322fe3f8bb69d6fabd4fd7c15f8d09f8783b2f087a80407e299af")
+
+
+    def test_sign_tx_12586(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 12586
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        # sig=23a9e2375dd3d0cd061e05c33361e0ba270bf689c4945262abdcc81d7083d8c311ae46b8bebfc98c584e2fb54566851919b58cf0917a256d2c1113daa1ccb27f
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       12586,
+                       "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4",
+                       "B62qrKG4Z8hnzZqp1AL8WsQhQYah3quN1qUj3SyfJA8Lw135qWWg1mi",
+                       314159265359,
+                       1618033988,
+                       0,
+                       4294967295,
+                       "",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes = backend.last_async_response.data.hex()
+        assert (response == "23a9e2375dd3d0cd061e05c33361e0ba270bf689c4945262abdcc81d7083d8c311ae46b8bebfc98c584e2fb54566851919b58cf0917a256d2c1113daa1ccb27f")
+
+
+    def test_sign_tx_12586_1(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 12586
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        # sig=2b4d0bffcb57981d11a93c05b17672b7be700d42af8496e1ba344394da5d0b0b0432c1e8a77ee1bd4b8ef6449297f7ed4956b81df95bdc6ac95d128984f77205
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       12586,
+                       "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4",
+                       "B62qoqiAgERjCjXhofXiD7cMLJSKD8hE8ZtMh4jX5MPNgKB4CFxxm1N",
+                       271828182845904,
+                       100000,
+                       5687,
+                       4294967295,
+                       "01234567890123456789012345678901",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes = backend.last_async_response.data.hex()
+
+        assert (response == "2b4d0bffcb57981d11a93c05b17672b7be700d42af8496e1ba344394da5d0b0b0432c1e8a77ee1bd4b8ef6449297f7ed4956b81df95bdc6ac95d128984f77205")
+
+
+    def test_sign_tx_3(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 3
+        # private key 1dee867358d4000f1dafa5978341fb515f89eeddbe450bd57df091f1e63d4444
+        # sig=25bb730a25ce7180b1e5766ff8cc67452631ee46e2d255bccab8662e5f1f0c850a4bb90b3e7399e935fff7f1a06195c6ef89891c0260331b9f381a13e5507a4c
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       3,
+                       "B62qoqiAgERjCjXhofXiD7cMLJSKD8hE8ZtMh4jX5MPNgKB4CFxxm1N",
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       0,
+                       2000000000,
+                       0,
+                       1982,
+                       "",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes = backend.last_async_response.data.hex()
+
+        assert (response == "25bb730a25ce7180b1e5766ff8cc67452631ee46e2d255bccab8662e5f1f0c850a4bb90b3e7399e935fff7f1a06195c6ef89891c0260331b9f381a13e5507a4c")
+
+
+    def test_sign_tx_0_1(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 0
+        # private key 164244176fddb5d769b7de2027469d027ad428fadcc0c02396e6280142efb718
+        # sig=30797d7d0426e54ff195d1f94dc412300f900cc9e84990603939a77b3a4d2fc11ebab12857b47c481c182abe147279732549f0fd49e68d5541f825e9d1e6fa04
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       0,
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       0,
+                       2000000000,
+                       16,
+                       1337,
+                       "Delewho?",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+
+        assert (response == "30797d7d0426e54ff195d1f94dc412300f900cc9e84990603939a77b3a4d2fc11ebab12857b47c481c182abe147279732549f0fd49e68d5541f825e9d1e6fa04")
+
+
+    def test_sign_tx_49370(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 49370
+        # private key 20f84123a26e58dd32b0ea3c80381f35cd01bc22a20346cc65b0a67ae48532ba
+        # sig=07e9f88fc671ed06781f9edb233fdbdee20fa32303015e795747ad9e43fcb47b3ce34e27e31f7c667756403df3eb4ce670d9175dd0ae8490b273485b71c56066
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       49370,
+                       "B62qkiT4kgCawkSEF84ga5kP9QnhmTJEYzcfgGuk6okAJtSBfVcjm1M",
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       0,
+                       2000000000,
+                       0,
+                       4294967295,
+                       "",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "07e9f88fc671ed06781f9edb233fdbdee20fa32303015e795747ad9e43fcb47b3ce34e27e31f7c667756403df3eb4ce670d9175dd0ae8490b273485b71c56066")
+
+
+    def test_sign_tx_12586_2(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 12586
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        # sig=1ff9f77fed4711e0ebe2a7a46a7b1988d1b62a850774bf299ec71a24d5ebfdd81d04a570e4811efe867adefe3491ba8b210f24bd0ec8577df72212d61b569b15
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       12586,
+                       "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4",
+                       "B62qkiT4kgCawkSEF84ga5kP9QnhmTJEYzcfgGuk6okAJtSBfVcjm1M",
+                       0,
+                       42000000000,
+                       1,
+                       4294967295,
+                       "more delegates, more fun........",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "1ff9f77fed4711e0ebe2a7a46a7b1988d1b62a850774bf299ec71a24d5ebfdd81d04a570e4811efe867adefe3491ba8b210f24bd0ec8577df72212d61b569b15")
+
+
+    def test_sign_tx_2(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 2
+        # private key 336eb4a19b3d8905824b0f2254fb495573be302c17582748bf7e101965aa4774
+        # sig=26ca6b95dee29d956b813afa642a6a62cd89b1929320ed6b099fd191a217b08d2c9a54ba1c95e5000b44b93cfbd3b625e20e95636f1929311473c10858a27f09
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       2,
+                       "B62qrKG4Z8hnzZqp1AL8WsQhQYah3quN1qUj3SyfJA8Lw135qWWg1mi",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       0,
+                       1202056900,
+                       0,
+                       577216,
+                       "",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "26ca6b95dee29d956b813afa642a6a62cd89b1929320ed6b099fd191a217b08d2c9a54ba1c95e5000b44b93cfbd3b625e20e95636f1929311473c10858a27f09")
+
+
+    def test_sign_tx_0_2(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 0
+        # private key 164244176fddb5d769b7de2027469d027ad428fadcc0c02396e6280142efb718
+        # sig=124c592178ed380cdffb11a9f8e1521bf940e39c13f37ba4c55bb4454ea69fba3c3595a55b06dac86261bb8ab97126bf3f7fff70270300cb97ff41401a5ef789
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       0,
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       1729000000000,
+                       2000000000,
+                       16,
+                       271828,
+                       "Hello Mina!",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "124c592178ed380cdffb11a9f8e1521bf940e39c13f37ba4c55bb4454ea69fba3c3595a55b06dac86261bb8ab97126bf3f7fff70270300cb97ff41401a5ef789")
+
+
+    def test_sign_tx_12586_3(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 12586
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        # sig=204eb1a37e56d0255921edd5a7903c210730b289a622d45ed63a52d9e3e461d13dfcf301da98e218563893e6b30fa327600c5ff0788108652a06b970823a4124
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       12586,
+                       "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4",
+                       "B62qrKG4Z8hnzZqp1AL8WsQhQYah3quN1qUj3SyfJA8Lw135qWWg1mi",
+                       314159265359,
+                       1618033988,
+                       0,
+                       4294967295,
+                       "",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "204eb1a37e56d0255921edd5a7903c210730b289a622d45ed63a52d9e3e461d13dfcf301da98e218563893e6b30fa327600c5ff0788108652a06b970823a4124")
+
+
+    def test_sign_tx_12586_4(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 12586
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        # sig=076d8ebca8ccbfd9c8297a768f756ff9d08c049e585c12c636d57ffcee7f6b3b1bd4b9bd42cc2cbee34b329adbfc5127fe5a2ceea45b7f55a1048b7f1a9f7559
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       12586,
+                       "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4",
+                       "B62qoqiAgERjCjXhofXiD7cMLJSKD8hE8ZtMh4jX5MPNgKB4CFxxm1N",
+                       271828182845904,
+                       100000,
+                       5687,
+                       4294967295,
+                       "01234567890123456789012345678901",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "076d8ebca8ccbfd9c8297a768f756ff9d08c049e585c12c636d57ffcee7f6b3b1bd4b9bd42cc2cbee34b329adbfc5127fe5a2ceea45b7f55a1048b7f1a9f7559")
+
+
+    def test_sign_tx_3_1(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 3
+        # private key 1dee867358d4000f1dafa5978341fb515f89eeddbe450bd57df091f1e63d4444
+        # sig=058ed7fb4e17d9d400acca06fe20ca8efca2af4ac9a3ed279911b0bf93c45eea0e8961519b703c2fd0e431061d8997cac4a7574e622c0675227d27ce2ff357d9
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       3,
+                       "B62qoqiAgERjCjXhofXiD7cMLJSKD8hE8ZtMh4jX5MPNgKB4CFxxm1N",
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       0,
+                       2000000000,
+                       0,
+                       1982,
+                       "",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "058ed7fb4e17d9d400acca06fe20ca8efca2af4ac9a3ed279911b0bf93c45eea0e8961519b703c2fd0e431061d8997cac4a7574e622c0675227d27ce2ff357d9")
+
+
+    def test_sign_tx_0_3(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 0
+        # private key 164244176fddb5d769b7de2027469d027ad428fadcc0c02396e6280142efb718
+        # sig=0904e9521a95334e3f6757cb0007ec8af3322421954255e8d263d0616910b04d213344f8ec020a4b873747d1cbb07296510315a2ec76e52150a4c765520d387f
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       0,
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       0,
+                       2000000000,
+                       16,
+                       1337,
+                       "Delewho?",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "0904e9521a95334e3f6757cb0007ec8af3322421954255e8d263d0616910b04d213344f8ec020a4b873747d1cbb07296510315a2ec76e52150a4c765520d387f")
+
+
+    def test_sign_tx_49370_1(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 49370
+        # private key 20f84123a26e58dd32b0ea3c80381f35cd01bc22a20346cc65b0a67ae48532ba
+        # sig=2406ab43f8201bd32bdd81b361fdb7871979c0eec4e3b7a91edf87473963c8a4069f4811ebc5a0e85cbb4951bffe93b638e230ce5a250cb08d2c250113a1967c
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       49370,
+                       "B62qkiT4kgCawkSEF84ga5kP9QnhmTJEYzcfgGuk6okAJtSBfVcjm1M",
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       0,
+                       2000000000,
+                       0,
+                       4294967295,
+                       "",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "2406ab43f8201bd32bdd81b361fdb7871979c0eec4e3b7a91edf87473963c8a4069f4811ebc5a0e85cbb4951bffe93b638e230ce5a250cb08d2c250113a1967c")
+
+
+    def test_sign_tx_12586_5(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 12586
+        # private key 3414fc16e86e6ac272fda03cf8dcb4d7d47af91b4b726494dab43bf773ce1779
+        # sig=36a80d0421b9c0cbfa08ea95b27f401df108b30213ae138f1f5978ffc59606cf2b64758db9d26bd9c5b908423338f7445c8f0a07520f2154bbb62926aa0cb8fa
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       12586,
+                       "B62qoG5Yk4iVxpyczUrBNpwtx2xunhL48dydN53A2VjoRwF8NUTbVr4",
+                       "B62qkiT4kgCawkSEF84ga5kP9QnhmTJEYzcfgGuk6okAJtSBfVcjm1M",
+                       0,
+                       42000000000,
+                       1,
+                       4294967295,
+                       "more delegates, more fun........",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "36a80d0421b9c0cbfa08ea95b27f401df108b30213ae138f1f5978ffc59606cf2b64758db9d26bd9c5b908423338f7445c8f0a07520f2154bbb62926aa0cb8fa")
+
+
+    def test_sign_tx_2_1(self, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # account 2
+        # private key 336eb4a19b3d8905824b0f2254fb495573be302c17582748bf7e101965aa4774
+        # sig=093f9ef0e4e051279da0a3ded85553847590ab739ee1bfd59e5bb30f98ed8a001a7a60d8506e2572164b7a525617a09f17e1756ac37555b72e01b90f37271595
+        with minaClient.sign_tx_async(mina.TX_TYPE_DELEGATION,
+                       2,
+                       "B62qrKG4Z8hnzZqp1AL8WsQhQYah3quN1qUj3SyfJA8Lw135qWWg1mi",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       0,
+                       1202056900,
+                       0,
+                       577216,
+                       "",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve()
+
+        response: bytes=backend.last_async_response.data.hex()
+        assert (response == "093f9ef0e4e051279da0a3ded85553847590ab739ee1bfd59e5bb30f98ed8a001a7a60d8506e2572164b7a525617a09f17e1756ac37555b72e01b90f37271595")
+
+
+    def test_sign_tx_0_4(self, test_name, backend, scenario_navigator):
+
+        minaClient = MinaClient(backend)
+
+        # Check testnet and mainnet signatures are not equal
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       0,
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       1729000000000,
+                       2000000000,
+                       16,
+                       271828,
+                       "Hello Mina!",
+                       mina.MAINNET_ID):
+            scenario_navigator.review_approve(test_name=test_name + "_mainet")
+
+        response_main: bytes=backend.last_async_response.data.hex()
+
+        with minaClient.sign_tx_async(mina.TX_TYPE_PAYMENT,
+                       0,
+                       "B62qnzbXmRNo9q32n4SNu2mpB8e7FYYLH8NmaX6oFCBYjjQ8SbD7uzV",
+                       "B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt",
+                       1729000000000,
+                       2000000000,
+                       16,
+                       271828,
+                       "Hello Mina!",
+                       mina.TESTNET_ID):
+            scenario_navigator.review_approve(test_name=test_name + "_testnet")
+
+        response_test: bytes=backend.last_async_response.data.hex()
+
+        assert(response_main != response_test)
diff --git a/tests/utils_tests.c b/tests/utils_tests.c
new file mode 100644
index 00000000..b6e9a8ee
--- /dev/null
+++ b/tests/utils_tests.c
@@ -0,0 +1,50 @@
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "utils.h"
+
+int main()
+{
+   char buf[32];
+
+   assert(strcmp(value_to_string(buf, sizeof(buf), 0), "0") == 0);
+   assert(strcmp(value_to_string(buf, sizeof(buf), 000), "0") == 0);
+   assert(strcmp(value_to_string(buf, sizeof(buf), 001), "1") == 0);
+   assert(strcmp(value_to_string(buf, sizeof(buf), 1001), "1001") == 0);
+   assert(strcmp(value_to_string(buf, sizeof(buf), 10000000), "10000000") == 0);
+   assert(strcmp(value_to_string(buf, sizeof(buf), 32), "32") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 0), "0.0") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1), "0.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 2), "0.000000002") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 10), "0.00000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 12), "0.000000012") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 101010101), "0.101010101") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 100000000), "0.1") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 900000000), "0.9") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 10000000), "0.01") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1000000000), "1.0") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1100000000), "1.1") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1010000000), "1.01") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1001000000), "1.001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1000100000), "1.0001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 9000000000), "9.0") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 123000000000), "123.0") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 123400000000), "123.4") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 123040000000), "123.04") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 123450000000), "123.45") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 10000000001), "10.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1000000001), "1.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1000000000000001), "1000000.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1000001000000001), "1000001.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 20000001000000001), "20000001.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 150000010000000001), "150000010.000000001") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 2200000070000000004), "2200000070.000000004") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 2718281828), "2.718281828") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 314159265359), "314.159265359") == 0);
+   assert(strcmp(amount_to_string(buf, sizeof(buf), 1618033988750000), "1618033.98875") == 0);
+
+   printf("Utils tests completed successfully!\n");
+
+   return 0;
+}
diff --git a/tests_zemu/package.json b/tests_zemu/package.json
index 8e3d9cdf..491d8af2 100644
--- a/tests_zemu/package.json
+++ b/tests_zemu/package.json
@@ -25,7 +25,7 @@
   },
   "dependencies": {
     "@mina-wallet-adapter/mina-ledger-js": "^1.0.9",
-    "@zondax/zemu": "^0.51.0"
+    "@zondax/zemu": "^0.53.0"
   },
   "devDependencies": {
     "@ledgerhq/hw-transport-node-hid": "^6.29.0",
diff --git a/tests_zemu/snapshots/fl-mainmenu/00001.png b/tests_zemu/snapshots/fl-mainmenu/00001.png
index 70fd1aff..8e8dd590 100644
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diff --git a/tests_zemu/snapshots/s-mainmenu/00001.png b/tests_zemu/snapshots/s-mainmenu/00001.png
index 11c668a2..86e59b2d 100644
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diff --git a/tests_zemu/snapshots/s-mainmenu/00009.png b/tests_zemu/snapshots/s-mainmenu/00009.png
index 11c668a2..86e59b2d 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_0/00018.png b/tests_zemu/snapshots/s-test_sign_tx_0/00018.png
index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_0_1/00016.png b/tests_zemu/snapshots/s-test_sign_tx_0_1/00016.png
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_0_3/00015.png b/tests_zemu/snapshots/s-test_sign_tx_0_3/00015.png
index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_12586/00016.png b/tests_zemu/snapshots/s-test_sign_tx_12586/00016.png
index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_12586_2/00016.png b/tests_zemu/snapshots/s-test_sign_tx_12586_2/00016.png
index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_12586_3/00015.png b/tests_zemu/snapshots/s-test_sign_tx_12586_3/00015.png
index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_12586_5/00015.png b/tests_zemu/snapshots/s-test_sign_tx_12586_5/00015.png
index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/s-test_sign_tx_2/00015.png b/tests_zemu/snapshots/s-test_sign_tx_2/00015.png
index 10f2f76b..e6858fd8 100644
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index 10f2f76b..e6858fd8 100644
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index 10f2f76b..e6858fd8 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00000.png b/tests_zemu/snapshots/sp-mainmenu/00000.png
index 9d7c89a6..262e123f 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00001.png b/tests_zemu/snapshots/sp-mainmenu/00001.png
index 9328353a..c9d7fae3 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00002.png b/tests_zemu/snapshots/sp-mainmenu/00002.png
index c0bac538..d24a0cce 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00003.png b/tests_zemu/snapshots/sp-mainmenu/00003.png
index 06014d81..6958e123 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00004.png b/tests_zemu/snapshots/sp-mainmenu/00004.png
index 152e0c9d..6bd8c225 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00006.png b/tests_zemu/snapshots/sp-mainmenu/00006.png
index 152e0c9d..6bd8c225 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00007.png b/tests_zemu/snapshots/sp-mainmenu/00007.png
index 06014d81..6958e123 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00008.png b/tests_zemu/snapshots/sp-mainmenu/00008.png
index c0bac538..d24a0cce 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00009.png b/tests_zemu/snapshots/sp-mainmenu/00009.png
index 9328353a..c9d7fae3 100644
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diff --git a/tests_zemu/snapshots/sp-mainmenu/00010.png b/tests_zemu/snapshots/sp-mainmenu/00010.png
index 9d7c89a6..262e123f 100644
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diff --git a/tests_zemu/snapshots/sp-test_get_address_0/00003.png b/tests_zemu/snapshots/sp-test_get_address_0/00003.png
index f2f384f6..21cd7909 100644
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index e199459f..84f10b2e 100644
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index 9d7c89a6..262e123f 100644
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diff --git a/tests_zemu/snapshots/sp-test_get_address_1/00003.png b/tests_zemu/snapshots/sp-test_get_address_1/00003.png
index c48bde01..0ffbe1bd 100644
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