diff --git a/coins.json b/coins.json
index b8f49755f..76d9b0d0f 100644
--- a/coins.json
+++ b/coins.json
@@ -10,7 +10,13 @@
 	"hash_genesis_block": "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
 	"xpub_magic": "0488b21e",
 	"xprv_magic": "0488ade4",
-	"bip44": 0
+	"bip44": 0,
+	"default_fee_b": {
+		"Low": 10,
+		"Economy": 20,
+		"Normal": 30,
+		"High": 40
+	}
 }, {
 	"coin_name": "Testnet",
 	"coin_shortcut": "TEST",
@@ -23,7 +29,10 @@
 	"hash_genesis_block": "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943",
 	"xpub_magic": "043587cf",
 	"xprv_magic": "04358394",
-	"bip44": 1
+	"bip44": 1,
+	"default_fee_b": {
+		"Normal": 10
+	}
 }, {
 	"coin_name": "Namecoin",
 	"coin_shortcut": "NMC",
@@ -36,7 +45,10 @@
 	"hash_genesis_block": "000000000062b72c5e2ceb45fbc8587e807c155b0da735e6483dfba2f0a9c770",
 	"xpub_magic": "019da462",
 	"xprv_magic": "019d9cfe",
-	"bip44": 1
+	"bip44": 1,
+	"default_fee_b": {
+		"Normal": 10
+	}
 }, {
 	"coin_name": "Litecoin",
 	"coin_shortcut": "LTC",
@@ -49,7 +61,10 @@
 	"hash_genesis_block": "12a765e31ffd4059bada1e25190f6e98c99d9714d334efa41a195a7e7e04bfe2",
 	"xpub_magic": "019da462",
 	"xprv_magic": "019d9cfe",
-	"bip44": 2
+	"bip44": 2,
+	"default_fee_b": {
+		"Normal": 10
+	}
 }, {
 	"coin_name": "Dogecoin",
 	"coin_shortcut": "DOGE",
@@ -62,7 +77,10 @@
 	"hash_genesis_block": "1a91e3dace36e2be3bf030a65679fe821aa1d6ef92e7c9902eb318182c355691",
 	"xpub_magic": "02facafd",
 	"xprv_magic": "02fac398",
-	"bip44": 3
+	"bip44": 3,
+	"default_fee_b": {
+		"Normal": 10
+	}
 }, {
 	"coin_name": "Dash",
 	"coin_shortcut": "DASH",
@@ -75,7 +93,10 @@
 	"hash_genesis_block": "00000ffd590b1485b3caadc19b22e6379c733355108f107a430458cdf3407ab6",
 	"xpub_magic": "02fe52cc",
 	"xprv_magic": "02fe52f8",
-	"bip44": 5
+	"bip44": 5,
+	"default_fee_b": {
+		"Normal": 10
+	}
 }, {
 	"coin_name": "Zcash",
 	"coin_shortcut": "ZEC",
@@ -88,5 +109,8 @@
 	"hash_genesis_block": "027e3758c3a65b12aa1046462b486d0a63bfa1beae327897f56c5cfb7daaae71",
 	"xpub_magic": "0488b21e",
 	"xprv_magic": "0488ade4",
-	"bip44": 133
+	"bip44": 133,
+	"default_fee_b": {
+		"Normal": 10
+	}
 }]