diff --git a/Makefile b/Makefile
index 7c4e149..41c43aa 100755
--- a/Makefile
+++ b/Makefile
@@ -230,9 +230,13 @@ else ifeq ($(CHAIN),songbird)
 APP_LOAD_PARAMS += --path "44'/554'" --path "44'/60'"
 DEFINES += CHAINID_UPCASE=\"SONGBIRD\" CHAINID_COINNAME=\"SGB\" CHAIN_KIND=CHAIN_KIND_SONGBIRD CHAIN_ID=19
 APPNAME = "Songbird"
+else ifeq ($(CHAIN),polygon)
+APP_LOAD_PARAMS += --path "44'/60'"
+DEFINES += CHAINID_UPCASE=\"POLYGON\" CHAINID_COINNAME=\"MATIC\" CHAIN_KIND=CHAIN_KIND_POLYGON CHAIN_ID=137
+APPNAME = "Polygon"
 else
 ifeq ($(filter clean,$(MAKECMDGOALS)),)
-$(error Unsupported CHAIN - use ethereum, ropsten, goerli, moonriver, ethereum_classic, expanse, poa, artis_sigma1, artis_tau1, rsk, rsk_testnet, ubiq, wanchain, kusd, musicoin, pirl, akroma, atheios, callisto, ethersocial, ellaism, ether1, ethergem, gochain, mix, reosc, hpb, tomochain, tobalaba, dexon, volta, ewc, webchain, thundercore, bsc, songbird)
+$(error Unsupported CHAIN - use ethereum, ropsten, goerli, moonriver, ethereum_classic, expanse, poa, artis_sigma1, artis_tau1, rsk, rsk_testnet, ubiq, wanchain, kusd, musicoin, pirl, akroma, atheios, callisto, ethersocial, ellaism, ether1, ethergem, gochain, mix, reosc, hpb, tomochain, tobalaba, dexon, volta, ewc, webchain, thundercore, bsc, songbird, polygon)
 endif
 endif
 
@@ -403,4 +407,4 @@ include $(BOLOS_SDK)/Makefile.rules
 dep/%.d: %.c Makefile
 
 listvariants:
-	@echo VARIANTS CHAIN ethereum ropsten goerli moonriver ethereum_classic expanse poa rsk rsk_testnet ubiq wanchain pirl akroma atheios callisto ethersocial ether1 gochain musicoin ethergem mix ellaism reosc hpb tomochain dexon volta ewc thundercore bsc songbird
+	@echo VARIANTS CHAIN ethereum ropsten goerli moonriver ethereum_classic expanse poa rsk rsk_testnet ubiq wanchain pirl akroma atheios callisto ethersocial ether1 gochain musicoin ethergem mix ellaism reosc hpb tomochain dexon volta ewc thundercore bsc songbird polygon
diff --git a/icons/nanos_app_polygon.gif b/icons/nanos_app_polygon.gif
new file mode 100644
index 0000000..bf660ac
Binary files /dev/null and b/icons/nanos_app_polygon.gif differ
diff --git a/icons/nanox_app_polygon.gif b/icons/nanox_app_polygon.gif
new file mode 100644
index 0000000..3769ce7
Binary files /dev/null and b/icons/nanox_app_polygon.gif differ
diff --git a/src/chainConfig.h b/src/chainConfig.h
index 28a0759..3a174a1 100644
--- a/src/chainConfig.h
+++ b/src/chainConfig.h
@@ -56,7 +56,8 @@ typedef enum chain_kind_e {
     CHAIN_KIND_THUNDERCORE,
     CHAIN_KIND_FLARE,
     CHAIN_KIND_BSC,
-    CHAIN_KIND_SONGBIRD
+    CHAIN_KIND_SONGBIRD,
+    CHAIN_KIND_POLYGON
 } chain_kind_t;
 
 typedef struct chain_config_s {
diff --git a/src/main.c b/src/main.c
index 1f93ce2..11358e7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -263,6 +263,9 @@ tokenDefinition_t *getKnownToken(uint8_t *contractAddress) {
         case CHAIN_KIND_SONGBIRD:
             numTokens = NUM_TOKENS_SONGBIRD;
             break;
+        case CHAIN_KIND_POLYGON:
+            numTokens = NUM_TOKENS_POLYGON;
+            break;
     }
     for (i = 0; i < numTokens; i++) {
         switch (chainConfig->kind) {
@@ -368,6 +371,9 @@ tokenDefinition_t *getKnownToken(uint8_t *contractAddress) {
             case CHAIN_KIND_SONGBIRD:
                 currentToken = (tokenDefinition_t *) PIC(&TOKENS_SONGBIRD[i]);
                 break;
+            case CHAIN_KIND_POLYGON:
+                currentToken = (tokenDefinition_t *) PIC(&TOKENS_POLYGON[i]);
+                break;
         }
         if (memcmp(currentToken->address, tmpContent.txContent.destination, ADDRESS_LENGTH) == 0) {
             return currentToken;
diff --git a/src/tokens.c b/src/tokens.c
index 4819ff2..b6a9181 100644
--- a/src/tokens.c
+++ b/src/tokens.c
@@ -190,4 +190,6 @@ const tokenDefinition_t const TOKENS_SONGBIRD[NUM_TOKENS_SONGBIRD] = {};
 
 const tokenDefinition_t const TOKENS_MOONRIVER[NUM_TOKENS_MOONRIVER] = {};
 
+const tokenDefinition_t const TOKENS_POLYGON[NUM_TOKENS_POLYGON] = {};
+
 #endif
diff --git a/src/tokens.h b/src/tokens.h
index 5592d99..45c7460 100644
--- a/src/tokens.h
+++ b/src/tokens.h
@@ -100,6 +100,7 @@ static const uint8_t LEDGER_SIGNATURE_PUBLIC_KEY[] = {
 #define NUM_TOKENS_BSC              0
 #define NUM_TOKENS_SONGBIRD         0
 #define NUM_TOKENS_MOONRIVER        0
+#define NUM_TOKENS_POLYGON          0
 
 extern tokenDefinition_t const TOKENS_AKROMA[NUM_TOKENS_AKROMA];
 extern tokenDefinition_t const TOKENS_ELLAISM[NUM_TOKENS_ELLAISM];
@@ -135,6 +136,7 @@ extern tokenDefinition_t const TOKENS_FLARE[NUM_TOKENS_FLARE];
 extern tokenDefinition_t const TOKENS_BSC[NUM_TOKENS_BSC];
 extern tokenDefinition_t const TOKENS_SONGBIRD[NUM_TOKENS_SONGBIRD];
 extern tokenDefinition_t const TOKENS_MOONRIVER[NUM_TOKENS_MOONRIVER];
+extern tokenDefinition_t const TOKENS_POLYGON[NUM_TOKENS_POLYGON];
 
 #endif /* HAVE_TOKENS_LIST */