diff --git a/common/defs/bitcoin/zcoin.json b/common/defs/bitcoin/firo.json
similarity index 85%
rename from common/defs/bitcoin/zcoin.json
rename to common/defs/bitcoin/firo.json
index 6c6d6a956..ee6fd5f11 100644
--- a/common/defs/bitcoin/zcoin.json
+++ b/common/defs/bitcoin/firo.json
@@ -1,9 +1,9 @@
 {
-  "coin_name": "Zcoin",
-  "coin_shortcut": "XZC",
-  "coin_label": "Zcoin",
-  "website": "https://zcoin.io",
-  "github": "https://github.com/zcoinofficial/zcoin",
+  "coin_name": "Firo",
+  "coin_shortcut": "FIRO",
+  "coin_label": "Firo",
+  "website": "https://firo.org",
+  "github": "https://github.com/firoorg/firo",
   "maintainer": "Andrey Bezrukov <andreyvbezrukov@gmail.com>",
   "curve_name": "secp256k1",
   "decimals": 8,
@@ -34,7 +34,7 @@
   },
   "dust_limit": 546,
   "blocktime_seconds": 600,
-  "uri_prefix": "zcoin",
+  "uri_prefix": "firo",
   "min_address_length": 27,
   "max_address_length": 34,
   "negative_fee": false,
diff --git a/common/defs/bitcoin/firo.png b/common/defs/bitcoin/firo.png
new file mode 100644
index 000000000..0498ac531
Binary files /dev/null and b/common/defs/bitcoin/firo.png differ
diff --git a/common/defs/bitcoin/zcoin_testnet.json b/common/defs/bitcoin/firo_testnet.json
similarity index 83%
rename from common/defs/bitcoin/zcoin_testnet.json
rename to common/defs/bitcoin/firo_testnet.json
index bca7d0c55..ecfa3ee11 100644
--- a/common/defs/bitcoin/zcoin_testnet.json
+++ b/common/defs/bitcoin/firo_testnet.json
@@ -1,9 +1,9 @@
 {
-  "coin_name": "Zcoin Testnet",
-  "coin_shortcut": "tXZC",
-  "coin_label": "Zcoin Testnet",
-  "website": "https://zcoin.io",
-  "github": "https://github.com/zcoinofficial/zcoin",
+  "coin_name": "Firo Testnet",
+  "coin_shortcut": "tFIRO",
+  "coin_label": "Firo Testnet",
+  "website": "https://firo.org",
+  "github": "https://github.com/firoorg/firo",
   "maintainer": "Andrey Bezrukov <andreyvbezrukov@gmail.com>",
   "curve_name": "secp256k1",
   "decimals": 8,
@@ -34,7 +34,7 @@
   },
   "dust_limit": 546,
   "blocktime_seconds": 600,
-  "uri_prefix": "testzcoin",
+  "uri_prefix": "testfiro",
   "min_address_length": 27,
   "max_address_length": 35,
   "negative_fee": false,
diff --git a/common/defs/bitcoin/firo_testnet.png b/common/defs/bitcoin/firo_testnet.png
new file mode 100644
index 000000000..717f3ce06
Binary files /dev/null and b/common/defs/bitcoin/firo_testnet.png differ
diff --git a/common/defs/bitcoin/zcoin.png b/common/defs/bitcoin/zcoin.png
deleted file mode 100644
index 68d205458..000000000
Binary files a/common/defs/bitcoin/zcoin.png and /dev/null differ
diff --git a/common/defs/bitcoin/zcoin_testnet.png b/common/defs/bitcoin/zcoin_testnet.png
deleted file mode 100644
index 7eee1674b..000000000
Binary files a/common/defs/bitcoin/zcoin_testnet.png and /dev/null differ
diff --git a/common/defs/coins_details.json b/common/defs/coins_details.json
index 9fc9cd06e..dd359b50c 100644
--- a/common/defs/coins_details.json
+++ b/common/defs/coins_details.json
@@ -831,25 +831,25 @@
                 }
             ]
         },
-        "bitcoin:XZC": {
+        "bitcoin:FIRO": {
             "links": {
-                "Github": "https://github.com/zcoinofficial/zcoin",
-                "Homepage": "https://zcoin.io"
+                "Github": "https://github.com/firoorg/firo",
+                "Homepage": "https://firo.org"
             },
             "marketcap_usd": 0,
-            "name": "Zcoin",
-            "shortcut": "XZC",
+            "name": "Firo",
+            "shortcut": "FIRO",
             "t1_enabled": "yes",
             "t2_enabled": "yes",
             "type": "coin",
             "wallet": [
                 {
-                    "name": "Electrum-XZC",
-                    "url": "https://github.com/zcoinofficial/electrum-xzc"
+                    "name": "Electrum-FIRO",
+                    "url": "https://github.com/firoorg/electrum-firo"
                 },
                 {
                     "name": "Znode Tool",
-                    "url": "https://github.com/yura-pakhuchiy/znode-tool"
+                    "url": "https://github.com/firoorg/znode-tool-evo"
                 }
             ]
         },
diff --git a/common/defs/wallets.json b/common/defs/wallets.json
index ee660773d..1f56a0287 100644
--- a/common/defs/wallets.json
+++ b/common/defs/wallets.json
@@ -121,9 +121,9 @@
     "bitcoin:XVG": {
       "Electrum": "https://github.com/vergecurrency/electrum/releases"
     },
-    "bitcoin:XZC": {
-        "Electrum-XZC": "https://github.com/zcoinofficial/electrum-xzc",
-        "Znode Tool": "https://github.com/yura-pakhuchiy/znode-tool"
+    "bitcoin:FIRO": {
+        "Electrum-FIRO": "https://github.com/firoorg/electrum-firo",
+        "Znode Tool": "https://github.com/firoorg/znode-tool-evo"
     },
     "bitcoin:ZEC": {
         "Exodus": "https://www.exodus.io"