diff --git a/Makefile b/Makefile
index b867aef..da59afa 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@ APPNAME = OpenPGP
 # Application version
 APPVERSION_M = 2
 APPVERSION_N = 2
-APPVERSION_P = 0
+APPVERSION_P = 1
 APPVERSION = "$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)"
 
 SPECVERSION:="3.3.1"
diff --git a/src/gpg_pso.c b/src/gpg_pso.c
index c792a88..82d4b24 100644
--- a/src/gpg_pso.c
+++ b/src/gpg_pso.c
@@ -321,15 +321,12 @@ int gpg_apdu_pso() {
                     }
                     key = &G_gpg_vstate.mse_dec->priv_key.ecfp;
                     gpg_io_fetch_l(&l);
-                    if (l != 37) {
+                    gpg_io_fetch_tl(&t, &l);
+                    if (t != 0x7f49) {
                         return SW_WRONG_DATA;
                     }
                     gpg_io_fetch_tl(&t, &l);
-                    if ((t != 0x7f49) || (l != 34)) {
-                        return SW_WRONG_DATA;
-                    }
-                    gpg_io_fetch_tl(&t, &l);
-                    if ((t != 0x86) || (l != 32)) {
+                    if (t != 0x86) {
                         return SW_WRONG_DATA;
                     }
 
diff --git a/src/gpg_ux.h b/src/gpg_ux.h
index fc7a63d..38b56fe 100644
--- a/src/gpg_ux.h
+++ b/src/gpg_ux.h
@@ -29,6 +29,7 @@
 #define LABEL_RSA2048   "RSA 2048"
 #define LABEL_RSA3072   "RSA 3072"
 #define LABEL_RSA4096   "RSA 4096"
+#define LABEL_SECP256K1 "SECP 256K1"
 #define LABEL_SECP256R1 "SECP 256R1"
 #define LABEL_Ed25519   "Ed25519"
 
diff --git a/src/gpg_ux_nanos.c b/src/gpg_ux_nanos.c
index 87255d9..c26692b 100644
--- a/src/gpg_ux_nanos.c
+++ b/src/gpg_ux_nanos.c
@@ -535,6 +535,7 @@ const ux_menu_entry_t ui_menu_tmpl_type[] = {
 #ifdef WITH_SUPPORT_RSA4096
     {NULL, ui_menu_tmpl_type_action, 4096, NULL, LABEL_RSA4096, NULL, 0, 0},
 #endif
+    {NULL, ui_menu_tmpl_type_action, CX_CURVE_SECP256K1, NULL, LABEL_SECP256K1, NULL, 0, 0},
     {NULL, ui_menu_tmpl_type_action, CX_CURVE_SECP256R1, NULL, LABEL_SECP256R1, NULL, 0, 0},
     {NULL, ui_menu_tmpl_type_action, CX_CURVE_Ed25519, NULL, LABEL_Ed25519, NULL, 0, 0},
     {ui_menu_template, NULL, 0, &C_icon_back, "Back", NULL, 61, 40},
@@ -573,6 +574,9 @@ const bagl_element_t *ui_menu_template_predisplay(const ux_menu_entry_t *entry,
                     snprintf(G_gpg_vstate.menu, sizeof(G_gpg_vstate.menu), " %s", LABEL_RSA4096);
                     break;
 #endif
+                case CX_CURVE_SECP256K1:
+                    snprintf(G_gpg_vstate.menu, sizeof(G_gpg_vstate.menu), " %s", LABEL_SECP256K1);
+                    break;
                 case CX_CURVE_SECP256R1:
                     snprintf(G_gpg_vstate.menu, sizeof(G_gpg_vstate.menu), " %s", LABEL_SECP256R1);
                     break;
@@ -615,6 +619,7 @@ void ui_menu_tmpl_set_action(unsigned int value) {
             attributes.length = 6;
             break;
 
+        case CX_CURVE_SECP256K1:
         case CX_CURVE_SECP256R1:
             if (G_gpg_vstate.ux_key == 2) {
                 attributes.value[0] = KEY_ID_ECDH;
diff --git a/src/gpg_ux_nanox.c b/src/gpg_ux_nanox.c
index fec2006..c1c5f85 100644
--- a/src/gpg_ux_nanox.c
+++ b/src/gpg_ux_nanox.c
@@ -473,6 +473,7 @@ const char *const tmpl_type_getter_values[] = {LABEL_RSA2048,
 #ifdef WITH_SUPPORT_RSA4096
                                                LABEL_RSA4096,
 #endif
+                                               LABEL_SECP256K1,
                                                LABEL_SECP256R1,
                                                LABEL_Ed25519};
 
@@ -481,6 +482,7 @@ const unsigned int tmpl_type_getter_values_map[] = {2048,
 #ifdef WITH_SUPPORT_RSA4096
                                                     4096,
 #endif
+                                                    CX_CURVE_SECP256K1,
                                                     CX_CURVE_SECP256R1,
                                                     CX_CURVE_Ed25519};
 
@@ -572,6 +574,9 @@ void ui_menu_template_predisplay() {
             snprintf(KEY_TYPE, sizeof(KEY_TYPE), " %s", LABEL_RSA4096);
             break;
 #endif
+        case CX_CURVE_SECP256K1:
+            snprintf(KEY_TYPE, sizeof(KEY_TYPE), " %s", LABEL_SECP256K1);
+            break;
         case CX_CURVE_SECP256R1:
             snprintf(KEY_TYPE, sizeof(KEY_TYPE), " %s", LABEL_SECP256R1);
             break;
@@ -610,6 +615,7 @@ void ui_menu_tmpl_set_action(unsigned int value) {
             attributes.length = 6;
             break;
 
+        case CX_CURVE_SECP256K1:
         case CX_CURVE_SECP256R1:
             oid = gpg_curve2oid(G_gpg_vstate.ux_type, &oid_len);
             if (oid == NULL) {
diff --git a/src/gpg_ux_nbgl.c b/src/gpg_ux_nbgl.c
index 1f7e9e1..2af475a 100644
--- a/src/gpg_ux_nbgl.c
+++ b/src/gpg_ux_nbgl.c
@@ -207,6 +207,7 @@ enum {
 #ifdef WITH_SUPPORT_RSA4096
     TOKEN_TYPE_RSA4096,
 #endif
+    TOKEN_TYPE_SECP256K1,
     TOKEN_TYPE_SECP256R1,
     TOKEN_TYPE_Ed25519,
     TOKEN_TYPE_BACK
@@ -217,12 +218,12 @@ static const char* const keyTypeTexts[] = {LABEL_RSA2048,
 #ifdef WITH_SUPPORT_RSA4096
                                            LABEL_RSA4096,
 #endif
+                                           LABEL_SECP256K1,
                                            LABEL_SECP256R1,
                                            LABEL_Ed25519};
 
 static uint32_t _getKeyType(const uint8_t key) {
     uint8_t* attributes = NULL;
-    uint32_t tag = 0;
     uint32_t token = 0;
 
     switch (key) {
@@ -241,8 +242,7 @@ static uint32_t _getKeyType(const uint8_t key) {
     }
     switch (attributes[0]) {
         case KEY_ID_RSA:
-            tag = U2BE(attributes, 1);
-            switch (tag) {
+            switch (U2BE(attributes, 1)) {
                 case 2048:
                     token = TOKEN_TYPE_RSA2048;
                     break;
@@ -257,18 +257,31 @@ static uint32_t _getKeyType(const uint8_t key) {
             }
             break;
         case KEY_ID_ECDH:
-            tag = attributes[1];
-            switch (tag) {
+            switch (attributes[1]) {
                 case 0x2A:
                     token = TOKEN_TYPE_SECP256R1;
                     break;
                 case 0x2B:
-                    token = TOKEN_TYPE_Ed25519;
+                    switch (attributes[2]) {
+                        case 0x06:
+                            token = TOKEN_TYPE_Ed25519;
+                            break;
+                        case 0x81:
+                            token = TOKEN_TYPE_SECP256K1;
+                            break;
+                    }
                     break;
             }
             break;
         case KEY_ID_ECDSA:
-            token = TOKEN_TYPE_SECP256R1;
+            switch (attributes[1]) {
+                case 0x2A:
+                    token = TOKEN_TYPE_SECP256R1;
+                    break;
+                case 0x2B:
+                    token = TOKEN_TYPE_SECP256K1;
+                    break;
+            }
             break;
         case KEY_ID_EDDSA:
             token = TOKEN_TYPE_Ed25519;
@@ -315,6 +328,17 @@ static void template_key_cb(int token, uint8_t index) {
                 oid_len = 6;
                 break;
 
+            case TOKEN_TYPE_SECP256K1:
+                if (G_gpg_vstate.ux_key == TOKEN_TEMPLATE_DEC) {
+                    attributes.value[0] = KEY_ID_ECDH;
+                } else {
+                    attributes.value[0] = KEY_ID_ECDSA;
+                }
+                oid = gpg_curve2oid(CX_CURVE_SECP256K1, &oid_len);
+                memmove(attributes.value + 1, oid, oid_len);
+                attributes.length = 1 + oid_len;
+                break;
+
             case TOKEN_TYPE_SECP256R1:
                 if (G_gpg_vstate.ux_key == TOKEN_TEMPLATE_DEC) {
                     attributes.value[0] = KEY_ID_ECDH;
@@ -409,6 +433,9 @@ static void ui_settings_template(void) {
                 bar.subText = PIC(LABEL_RSA4096);
                 break;
 #endif
+            case TOKEN_TYPE_SECP256K1:
+                bar.subText = PIC(LABEL_SECP256K1);
+                break;
             case TOKEN_TYPE_SECP256R1:
                 bar.subText = PIC(LABEL_SECP256R1);
                 break;
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