diff --git a/.gitmodules b/.gitmodules
index 3412a6b589..ce8a1a98ef 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -27,7 +27,9 @@
 [submodule "vendor/cmsis_5"]
 	path = vendor/cmsis_5
 	url = https://github.com/ARM-software/CMSIS_5.git
-
 [submodule "vendor/stm32u5xx_hal_driver"]
 	path = vendor/stm32u5xx_hal_driver
 	url = https://github.com/trezor/stm32u5xx_hal_driver.git
+[submodule "vendor/libtropic"]
+	path = vendor/libtropic
+	url = https://github.com/tropicsquare/libtropic.git
diff --git a/core/SConscript.firmware b/core/SConscript.firmware
index bf7427ec61..e995b1f244 100644
--- a/core/SConscript.firmware
+++ b/core/SConscript.firmware
@@ -695,6 +695,7 @@ if FROZEN:
         use_button='button' in FEATURES_AVAILABLE,
         use_touch='touch' in FEATURES_AVAILABLE,
         ui_layout=ui.get_ui_layout(TREZOR_MODEL),
+        tropic='tropic' in FEATURES_AVAILABLE,
         thp=THP,
         )
 
diff --git a/core/SConscript.unix b/core/SConscript.unix
index a7d98ad47c..156503be09 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -21,7 +21,7 @@ if BENCHMARK and PYOPT != '0':
   print("BENCHMARK=1 works only with PYOPT=0.")
   exit(1)
 
-FEATURES_WANTED = ["input", "sd_card", "dma2d", "optiga"]
+FEATURES_WANTED = ["input", "sd_card", "dma2d", "optiga", "tropic"]
 
 if not models.has_emulator(TREZOR_MODEL):
     # skip unix build
@@ -48,6 +48,7 @@ SOURCE_MOD = [
     'vendor/micropython/extmod/vfs_posix_file.c',
 ]
 SOURCE_MOD_CRYPTO = []
+SOURCE_MOD_TROPIC = []
 RUST_UI_FEATURES = []
 
 # modtrezorconfig
@@ -251,6 +252,14 @@ SOURCE_MOD += [
     'embed/upymod/modutime.c',
 ]
 
+SOURCE_MOD_TROPIC += [
+    'vendor/libtropic/src/libtropic.c',
+]
+
+CPPDEFINES_MOD += ['USE_TREZOR_CRYPTO']
+
+CPPPATH_MOD += ['vendor/libtropic/src/', 'vendor/libtropic/include/']
+
 SOURCE_MICROPYTHON = [
     'vendor/micropython/extmod/modubinascii.c',
     'vendor/micropython/extmod/moductypes.c',
@@ -752,6 +761,7 @@ if FROZEN:
         bitcoin_only=BITCOIN_ONLY,
         backlight='backlight' in FEATURES_AVAILABLE,
         optiga='optiga' in FEATURES_AVAILABLE,
+        tropic='tropic' in FEATURES_AVAILABLE,
         use_button='button' in FEATURES_AVAILABLE,
         use_touch='touch' in FEATURES_AVAILABLE,
         ui_layout=ui.get_ui_layout(TREZOR_MODEL),
@@ -769,7 +779,7 @@ if FROZEN:
 #
 
 obj_program = []
-source_files = SOURCE_MOD + SOURCE_MOD_CRYPTO + SOURCE_MICROPYTHON + SOURCE_UNIX
+source_files = SOURCE_MOD + SOURCE_MOD_CRYPTO + SOURCE_MOD_TROPIC + SOURCE_MICROPYTHON + SOURCE_UNIX
 obj_program.extend(env.Object(source=SOURCE_MOD))
 obj_program.extend(env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero'))
 if FEATURE_FLAGS["SECP256K1_ZKP"]:
diff --git a/core/embed/rust/Cargo.toml b/core/embed/rust/Cargo.toml
index 83ecdc4b6e..a8ae7e7b61 100644
--- a/core/embed/rust/Cargo.toml
+++ b/core/embed/rust/Cargo.toml
@@ -40,6 +40,7 @@ rgb_led = []
 backlight = []
 usb = []
 optiga = []
+tropic = []
 translations = ["crypto"]
 test = [
     "backlight",
diff --git a/core/embed/upymod/modtrezorcrypto/modtrezorcrypto-tropic.h b/core/embed/upymod/modtrezorcrypto/modtrezorcrypto-tropic.h
new file mode 100644
index 0000000000..3bdb12a0e7
--- /dev/null
+++ b/core/embed/upymod/modtrezorcrypto/modtrezorcrypto-tropic.h
@@ -0,0 +1,282 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#if USE_TROPIC
+
+// Default initial Tropic handshake keys
+#define PKEY_INDEX_BYTE PAIRING_KEY_SLOT_INDEX_0
+#define SHiPRIV_BYTES                                                \
+  {0xf0, 0xc4, 0xaa, 0x04, 0x8f, 0x00, 0x13, 0xa0, 0x96, 0x84, 0xdf, \
+   0x05, 0xe8, 0xa2, 0x2e, 0xf7, 0x21, 0x38, 0x98, 0x28, 0x2b, 0xa9, \
+   0x43, 0x12, 0xf3, 0x13, 0xdf, 0x2d, 0xce, 0x8d, 0x41, 0x64};
+#define SHiPUB_BYTES                                                 \
+  {0x84, 0x2f, 0xe3, 0x21, 0xa8, 0x24, 0x74, 0x08, 0x37, 0x37, 0xff, \
+   0x2b, 0x9b, 0x88, 0xa2, 0xaf, 0x42, 0x44, 0x2d, 0xb0, 0xd8, 0xaa, \
+   0xcc, 0x6d, 0xc6, 0x9e, 0x99, 0x53, 0x33, 0x44, 0xb2, 0x46};
+
+#include "libtropic.h"
+
+/// package: trezorcrypto.tropic
+
+/// class TropicError(Exception):
+///     """Error returned by the Tropic Square chip."""
+MP_DEFINE_EXCEPTION(TropicError, Exception)
+
+#define PING_MSG_MAX_LEN 64
+#define ECC_SLOT_COUNT 32
+#define SIG_SIZE 64
+
+STATIC void tropic_deinit(lt_handle_t *handle) {
+  if (lt_deinit(handle) != LT_OK) {
+    mp_raise_msg(&mp_type_TropicError, "lt_deinit failed.");
+  }
+}
+
+STATIC void tropic_init(lt_handle_t *handle) {
+  lt_ret_t ret = LT_FAIL;
+
+  ret = lt_init(handle);
+  if (ret != LT_OK) {
+    mp_raise_msg(&mp_type_TropicError, "lt_init failed.");
+  }
+
+  uint8_t X509_cert[LT_L2_GET_INFO_REQ_CERT_SIZE] = {0};
+
+  ret = lt_get_info_cert(handle, X509_cert, LT_L2_GET_INFO_REQ_CERT_SIZE);
+  if (ret != LT_OK) {
+    tropic_deinit(handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_get_info_cert failed.");
+  }
+
+  uint8_t stpub[32] = {0};
+  ret = lt_cert_verify_and_parse(X509_cert, 512, stpub);
+  if (ret != LT_OK) {
+    tropic_deinit(handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_cert_verify_and_parse failed.");
+  }
+
+  uint8_t pkey_index = PKEY_INDEX_BYTE;
+  uint8_t shipriv[] = SHiPRIV_BYTES;
+  uint8_t shipub[] = SHiPUB_BYTES;
+
+  ret = lt_handshake(handle, stpub, pkey_index, shipriv, shipub);
+  if (ret != LT_OK) {
+    tropic_deinit(handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_handshake failed.");
+  }
+}
+
+/// def ping(message: str) -> str:
+///     """
+///     Test the session by pinging the chip.
+///     """
+STATIC mp_obj_t mod_trezorcrypto_tropic_ping(mp_obj_t message) {
+  lt_handle_t handle = {0};
+  lt_ret_t ret = LT_FAIL;
+
+  tropic_init(&handle);
+
+  uint8_t msg_in[PING_MSG_MAX_LEN] = {0};
+
+  mp_buffer_info_t message_b = {0};
+  mp_get_buffer_raise(message, &message_b, MP_BUFFER_READ);
+  if (message_b.len > 0) {
+    ret = lt_ping(&handle, (uint8_t *)message_b.buf, (uint8_t *)msg_in,
+                  message_b.len);
+    if (ret != LT_OK) {
+      tropic_deinit(&handle);
+      mp_raise_msg(&mp_type_TropicError, "lt_ping failed.");
+    }
+  } else {
+    tropic_deinit(&handle);
+    return mp_const_none;
+  }
+
+  tropic_deinit(&handle);
+
+  vstr_t result = {0};
+  vstr_init_len(&result, message_b.len);
+
+  memcpy(result.buf, msg_in, message_b.len);
+  result.len = strlen(result.buf);
+
+  return mp_obj_new_str_from_vstr(&mp_type_str, &result);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_tropic_ping_obj,
+                                 mod_trezorcrypto_tropic_ping);
+
+/// def get_certificate() -> bytes:
+///     """
+///     Return the chip's certificate.
+///     """
+STATIC mp_obj_t mod_trezorcrypto_tropic_get_certificate() {
+  lt_handle_t handle = {0};
+  lt_ret_t ret = LT_FAIL;
+
+  tropic_init(&handle);
+
+  uint8_t X509_cert[512] = {0};
+  ret = lt_get_info_cert(&handle, X509_cert, 512);
+  if (ret != LT_OK) {
+    tropic_deinit(&handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_get_info_cert failed.");
+  }
+
+  tropic_deinit(&handle);
+
+  vstr_t vstr = {0};
+  vstr_init_len(&vstr, 512);
+
+  memcpy(vstr.buf, X509_cert, 512);
+
+  return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_trezorcrypto_tropic_get_certificate_obj,
+                                 mod_trezorcrypto_tropic_get_certificate);
+
+/// def key_generate(
+///     key_index: int,
+/// ) -> None:
+///     """
+///     Generate ECC key in the device's ECC key slot.
+///     """
+STATIC mp_obj_t mod_trezorcrypto_tropic_key_generate(mp_obj_t key_index) {
+  mp_int_t idx = mp_obj_get_int(key_index);
+  if (idx < 0 || idx >= ECC_SLOT_COUNT) {
+    mp_raise_ValueError("Invalid index.");
+  }
+
+  lt_handle_t handle = {0};
+  lt_ret_t ret = LT_FAIL;
+
+  tropic_init(&handle);
+
+  ret = lt_ecc_key_generate(&handle, idx, CURVE_ED25519);
+  if (ret != LT_OK) {
+    tropic_deinit(&handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_ecc_key_generate failed.");
+  }
+
+  tropic_deinit(&handle);
+
+  return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_tropic_key_generate_obj,
+                                 mod_trezorcrypto_tropic_key_generate);
+
+/// def random_get(
+///     len: int,
+/// ) -> bytes:
+///     """
+///     Get number of random bytes.
+///     """
+STATIC mp_obj_t mod_trezorcrypto_tropic_random_get(mp_obj_t len) {
+  mp_int_t len_rand = mp_obj_get_int(len);
+  if (len_rand < 0 || len_rand > RANDOM_VALUE_GET_LEN_MAX) {
+    mp_raise_ValueError("Invalid length.");
+  }
+
+  lt_handle_t handle = {0};
+  lt_ret_t ret = LT_FAIL;
+
+  tropic_init(&handle);
+
+  uint8_t buff[RANDOM_VALUE_GET_LEN_MAX] = {0};
+  ret = lt_random_get(&handle, buff, len_rand);
+  if (ret != LT_OK) {
+    tropic_deinit(&handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_random_get failed.");
+  }
+
+  tropic_deinit(&handle);
+
+  vstr_t vstr = {0};
+  vstr_init_len(&vstr, len_rand);
+
+  memcpy(vstr.buf, buff, len_rand);
+
+  return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_tropic_random_get_obj,
+                                 mod_trezorcrypto_tropic_random_get);
+
+/// def sign(
+///     key_index: int,
+///     digest: bytes,
+/// ) -> bytes:
+///     """
+///     Uses the private key at key_index to produce a signature of the digest.
+///     """
+STATIC mp_obj_t mod_trezorcrypto_tropic_sign(mp_obj_t key_index,
+                                             mp_obj_t digest) {
+  mp_int_t idx = mp_obj_get_int(key_index);
+  if (idx < 0 || idx >= ECC_SLOT_COUNT) {
+    mp_raise_ValueError("Invalid index.");
+  }
+
+  mp_buffer_info_t dig = {0};
+  mp_get_buffer_raise(digest, &dig, MP_BUFFER_READ);
+  if (dig.len != 32) {
+    mp_raise_ValueError("Invalid length of digest.");
+  }
+
+  lt_handle_t handle = {0};
+  lt_ret_t ret = LT_FAIL;
+
+  tropic_init(&handle);
+
+  vstr_t sig = {0};
+  vstr_init_len(&sig, SIG_SIZE);
+
+  ret = lt_ecc_eddsa_sign(&handle, idx, (const uint8_t *)dig.buf, dig.len,
+                          ((uint8_t *)sig.buf), SIG_SIZE);
+  if (ret != LT_OK) {
+    vstr_clear(&sig);
+    tropic_deinit(&handle);
+    mp_raise_msg(&mp_type_TropicError, "lt_ecc_eddsa_sign failed.");
+  }
+
+  tropic_deinit(&handle);
+
+  sig.len = SIG_SIZE;
+  return mp_obj_new_str_from_vstr(&mp_type_bytes, &sig);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_tropic_sign_obj,
+                                 mod_trezorcrypto_tropic_sign);
+
+STATIC const mp_rom_map_elem_t mod_trezorcrypto_tropic_globals_table[] = {
+    {MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_tropic)},
+    {MP_ROM_QSTR(MP_QSTR_ping), MP_ROM_PTR(&mod_trezorcrypto_tropic_ping_obj)},
+    {MP_ROM_QSTR(MP_QSTR_get_certificate),
+     MP_ROM_PTR(&mod_trezorcrypto_tropic_get_certificate_obj)},
+    {MP_ROM_QSTR(MP_QSTR_key_generate),
+     MP_ROM_PTR(&mod_trezorcrypto_tropic_key_generate_obj)},
+    {MP_ROM_QSTR(MP_QSTR_random_get),
+     MP_ROM_PTR(&mod_trezorcrypto_tropic_random_get_obj)},
+    {MP_ROM_QSTR(MP_QSTR_sign), MP_ROM_PTR(&mod_trezorcrypto_tropic_sign_obj)},
+    {MP_ROM_QSTR(MP_QSTR_TropicError), MP_ROM_PTR(&mp_type_TropicError)}};
+STATIC MP_DEFINE_CONST_DICT(mod_trezorcrypto_tropic_globals,
+                            mod_trezorcrypto_tropic_globals_table);
+
+STATIC const mp_obj_module_t mod_trezorcrypto_tropic_module = {
+    .base = {&mp_type_module},
+    .globals = (mp_obj_dict_t *)&mod_trezorcrypto_tropic_globals,
+};
+
+#endif
diff --git a/core/embed/upymod/modtrezorcrypto/modtrezorcrypto.c b/core/embed/upymod/modtrezorcrypto/modtrezorcrypto.c
index e8e16a76fe..77c0732f2a 100644
--- a/core/embed/upymod/modtrezorcrypto/modtrezorcrypto.c
+++ b/core/embed/upymod/modtrezorcrypto/modtrezorcrypto.c
@@ -69,6 +69,9 @@ static void wrapped_ui_wait_callback(uint32_t current, uint32_t total) {
 #ifdef USE_OPTIGA
 #include "modtrezorcrypto-optiga.h"
 #endif
+#ifdef USE_TROPIC
+#include "modtrezorcrypto-tropic.h"
+#endif
 #if !BITCOIN_ONLY
 #include "modtrezorcrypto-cardano.h"
 #include "modtrezorcrypto-monero.h"
@@ -135,6 +138,9 @@ STATIC const mp_rom_map_elem_t mp_module_trezorcrypto_globals_table[] = {
 #if USE_OPTIGA
     {MP_ROM_QSTR(MP_QSTR_optiga), MP_ROM_PTR(&mod_trezorcrypto_optiga_module)},
 #endif
+#if USE_TROPIC
+    {MP_ROM_QSTR(MP_QSTR_tropic), MP_ROM_PTR(&mod_trezorcrypto_tropic_module)},
+#endif
 };
 STATIC MP_DEFINE_CONST_DICT(mp_module_trezorcrypto_globals,
                             mp_module_trezorcrypto_globals_table);
diff --git a/core/embed/upymod/modtrezorutils/modtrezorutils.c b/core/embed/upymod/modtrezorutils/modtrezorutils.c
index 43ba838d29..9a21210895 100644
--- a/core/embed/upymod/modtrezorutils/modtrezorutils.c
+++ b/core/embed/upymod/modtrezorutils/modtrezorutils.c
@@ -388,10 +388,8 @@ STATIC mp_obj_tuple_t mod_trezorutils_version_obj = {
 /// """Whether the hardware supports haptic feedback."""
 /// USE_OPTIGA: bool
 /// """Whether the hardware supports Optiga secure element."""
-/// USE_TOUCH: bool
-/// """Whether the hardware supports touch screen."""
-/// USE_BUTTON: bool
-/// """Whether the hardware supports two-button input."""
+/// USE_TROPIC: bool
+/// """Whether the hardware supports Tropic Square secure element."""
 /// MODEL: str
 /// """Model name."""
 /// MODEL_FULL_NAME: str
@@ -461,6 +459,11 @@ STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
 #else
     {MP_ROM_QSTR(MP_QSTR_USE_OPTIGA), mp_const_false},
 #endif
+#ifdef USE_TROPIC
+    {MP_ROM_QSTR(MP_QSTR_USE_TROPIC), mp_const_true},
+#else
+    {MP_ROM_QSTR(MP_QSTR_USE_TROPIC), mp_const_false},
+#endif
 #ifdef USE_TOUCH
     {MP_ROM_QSTR(MP_QSTR_USE_TOUCH), mp_const_true},
 #else
diff --git a/core/mocks/generated/trezorcrypto/tropic.pyi b/core/mocks/generated/trezorcrypto/tropic.pyi
new file mode 100644
index 0000000000..fda58b8501
--- /dev/null
+++ b/core/mocks/generated/trezorcrypto/tropic.pyi
@@ -0,0 +1,38 @@
+from typing import *
+
+
+# extmod/modtrezorcrypto/modtrezorcrypto-tropic.h
+class TropicError(Exception):
+    """Error returned by the Tropic Square chip."""
+
+    def ping(message: str) -> str:
+        """
+        Test the session by pinging the chip.
+        """
+
+    def get_certificate() -> bytes:
+        """
+        Return the chip's certificate.
+        """
+
+    def key_generate(
+        key_index: int,
+    ) -> None:
+        """
+        Generate ECC key in the device's ECC key slot.
+        """
+
+    def random_get(
+        len: int,
+    ) -> bytes:
+        """
+        Get number of random bytes.
+        """
+
+    def sign(
+        key_index: int,
+        digest: bytes,
+    ) -> bytes:
+        """
+        Uses the private key at key_index to produce a signature of the digest.
+        """
diff --git a/core/mocks/generated/trezorutils.pyi b/core/mocks/generated/trezorutils.pyi
index d97c2526e3..8605a570ed 100644
--- a/core/mocks/generated/trezorutils.pyi
+++ b/core/mocks/generated/trezorutils.pyi
@@ -130,6 +130,8 @@ USE_HAPTIC: bool
 """Whether the hardware supports haptic feedback."""
 USE_OPTIGA: bool
 """Whether the hardware supports Optiga secure element."""
+USE_TROPIC: bool
+"""Whether the hardware supports Tropic Square secure element."""
 USE_TOUCH: bool
 """Whether the hardware supports touch screen."""
 USE_BUTTON: bool
diff --git a/core/site_scons/models/T3T1/emulator.py b/core/site_scons/models/T3T1/emulator.py
index 6e912d7c5d..da30b52fa7 100644
--- a/core/site_scons/models/T3T1/emulator.py
+++ b/core/site_scons/models/T3T1/emulator.py
@@ -55,6 +55,27 @@ def configure(
         features_available.append("optiga")
         defines += [("USE_OPTIGA", "1")]
 
+    if "tropic" in features_wanted:
+        sources += [
+            "vendor/libtropic/src/libtropic.c",
+            "vendor/libtropic/src/lt_crc16.c",
+            "vendor/libtropic/src/lt_hkdf.c",
+            "vendor/libtropic/src/lt_l1.c",
+            "vendor/libtropic/src/lt_l1_port_wrap.c",
+            "vendor/libtropic/src/lt_l2.c",
+            "vendor/libtropic/src/lt_l2_frame_check.c",
+            "vendor/libtropic/src/lt_l3.c",
+            "vendor/libtropic/src/lt_random.c",
+            "vendor/libtropic/hal/port/unix/lt_port_unix.c",
+            "vendor/libtropic/hal/crypto/trezor_crypto/lt_crypto_trezor_aesgcm.c",
+            "vendor/libtropic/hal/crypto/trezor_crypto/lt_crypto_trezor_ed25519.c",
+            "vendor/libtropic/hal/crypto/trezor_crypto/lt_crypto_trezor_sha256.c",
+            "vendor/libtropic/hal/crypto/trezor_crypto/lt_crypto_trezor_x25519.c",
+        ]
+        defines += ["USE_TREZOR_CRYPTO"]
+        features_available.append("tropic")
+    defines += ["USE_TROPIC=1"]
+
     if "input" in features_wanted:
         sources += ["embed/io/touch/unix/touch.c"]
         paths += ["embed/io/touch/inc"]
diff --git a/core/site_scons/site_tools/micropython/__init__.py b/core/site_scons/site_tools/micropython/__init__.py
index ee5a0c80ab..5d9780e09b 100644
--- a/core/site_scons/site_tools/micropython/__init__.py
+++ b/core/site_scons/site_tools/micropython/__init__.py
@@ -44,6 +44,7 @@ def generate(env):
         btc_only = env["bitcoin_only"] == "1"
         backlight = env["backlight"]
         optiga = env["optiga"]
+        tropic = env["tropic"]
         layout_tt = env["ui_layout"] == "UI_LAYOUT_TT"
         layout_tr = env["ui_layout"] == "UI_LAYOUT_TR"
         touch = env["use_touch"]
@@ -55,6 +56,7 @@ def generate(env):
             rf"-e 's/utils\.BITCOIN_ONLY/{btc_only}/g'",
             rf"-e 's/utils\.USE_BACKLIGHT/{backlight}/g'",
             rf"-e 's/utils\.USE_OPTIGA/{optiga}/g'",
+            rf"-e 's/utils\.USE_TROPIC/{tropic}/g'",
             rf"-e 's/utils\.UI_LAYOUT == \"TT\"/{layout_tt}/g'",
             rf"-e 's/utils\.UI_LAYOUT == \"TR\"/{layout_tr}/g'",
             rf"-e 's/utils\.UI_LAYOUT == \"MERCURY\"/{layout_mercury}/g'",
diff --git a/core/src/trezor/crypto/__init__.py b/core/src/trezor/crypto/__init__.py
index 51c159fe16..5386743565 100644
--- a/core/src/trezor/crypto/__init__.py
+++ b/core/src/trezor/crypto/__init__.py
@@ -22,5 +22,8 @@ if not utils.BITCOIN_ONLY:
 if utils.USE_OPTIGA:
     from trezorcrypto import optiga  # noqa: F401
 
+if utils.USE_TROPIC:
+    from trezorcrypto import tropic  # noqa: F401
+
 if utils.USE_THP:
     from trezorcrypto import elligator2  # noqa: F401
diff --git a/core/src/trezor/utils.py b/core/src/trezor/utils.py
index 694bae2cb9..37691e9cb3 100644
--- a/core/src/trezor/utils.py
+++ b/core/src/trezor/utils.py
@@ -14,9 +14,9 @@ from trezorutils import (  # noqa: F401
     USE_BUTTON,
     USE_HAPTIC,
     USE_OPTIGA,
+    USE_TROPIC,
     USE_SD_CARD,
     USE_THP,
-    USE_TOUCH,
     VERSION,
     bootloader_locked,
     check_firmware_header,
diff --git a/core/vendor/libtropic b/core/vendor/libtropic
new file mode 120000
index 0000000000..18958f10fc
--- /dev/null
+++ b/core/vendor/libtropic
@@ -0,0 +1 @@
+../../vendor/libtropic/
\ No newline at end of file
diff --git a/legacy/firmware/Makefile b/legacy/firmware/Makefile
index f85ba1ab76..f475965a4d 100644
--- a/legacy/firmware/Makefile
+++ b/legacy/firmware/Makefile
@@ -165,6 +165,7 @@ CFLAGS += -I../vendor/nanopb -Iprotob -DPB_FIELD_16BIT=1 -DPB_ENCODE_ARRAYS_UNPA
 CFLAGS += -DSCM_REVISION='"$(shell git rev-parse HEAD | sed 's:\(..\):\\x\1:g')"'
 CFLAGS += -DUSE_MONERO=0
 CFLAGS += -DUSE_OPTIGA=0
+CFLAGS += -DUSE_TROPIC=0
 ifneq ($(BITCOIN_ONLY),1)
 CFLAGS += -DUSE_ETHEREUM=1
 CFLAGS += -DUSE_NEM=1