diff --git a/coins.json b/coins.json
index c7087f552a..a66814c57c 100644
--- a/coins.json
+++ b/coins.json
@@ -6,7 +6,8 @@
 	"address_type_p2sh": 5,
 	"address_type_p2wpkh": 6,
 	"address_type_p2wsh": 10,
-	"signed_message_header": "Bitcoin Signed Message:\n"
+	"signed_message_header": "Bitcoin Signed Message:\n",
+	"hash_genesis_block": "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"
 }, {
 	"coin_name": "Testnet",
 	"coin_shortcut": "TEST",
@@ -15,7 +16,8 @@
 	"address_type_p2sh": 196,
 	"address_type_p2wpkh": 3,
 	"address_type_p2wsh": 40,
-	"signed_message_header": "Bitcoin Signed Message:\n"
+	"signed_message_header": "Bitcoin Signed Message:\n",
+	"hash_genesis_block": "000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"
 }, {
 	"coin_name": "Namecoin",
 	"coin_shortcut": "NMC",
@@ -24,7 +26,8 @@
 	"address_type_p2sh": 5,
 	"address_type_p2wpkh": null,
 	"address_type_p2wsh": null,
-	"signed_message_header": "Namecoin Signed Message:\n"
+	"signed_message_header": "Namecoin Signed Message:\n",
+	"hash_genesis_block": "000000000062b72c5e2ceb45fbc8587e807c155b0da735e6483dfba2f0a9c770"
 }, {
 	"coin_name": "Litecoin",
 	"coin_shortcut": "LTC",
@@ -33,7 +36,8 @@
 	"address_type_p2sh": 5,
 	"address_type_p2wpkh": null,
 	"address_type_p2wsh": null,
-	"signed_message_header": "Litecoin Signed Message:\n"
+	"signed_message_header": "Litecoin Signed Message:\n",
+	"hash_genesis_block": "12a765e31ffd4059bada1e25190f6e98c99d9714d334efa41a195a7e7e04bfe2"
 }, {
 	"coin_name": "Dogecoin",
 	"coin_shortcut": "DOGE",
@@ -42,7 +46,8 @@
 	"address_type_p2sh": 22,
 	"address_type_p2wpkh": null,
 	"address_type_p2wsh": null,
-	"signed_message_header": "Dogecoin Signed Message:\n"
+	"signed_message_header": "Dogecoin Signed Message:\n",
+	"hash_genesis_block": "1a91e3dace36e2be3bf030a65679fe821aa1d6ef92e7c9902eb318182c355691"
 }, {
 	"coin_name": "Dash",
 	"coin_shortcut": "DASH",
@@ -51,7 +56,8 @@
 	"address_type_p2sh": 16,
 	"address_type_p2wpkh": null,
 	"address_type_p2wsh": null,
-	"signed_message_header": "DarkCoin Signed Message:\n"
+	"signed_message_header": "DarkCoin Signed Message:\n",
+	"hash_genesis_block": "00000ffd590b1485b3caadc19b22e6379c733355108f107a430458cdf3407ab6"
 }, {
 	"coin_name": "Zcash",
 	"coin_shortcut": "ZEC",
@@ -60,5 +66,6 @@
 	"address_type_p2sh": 5,
 	"address_type_p2wpkh": null,
 	"address_type_p2wsh": null,
-	"signed_message_header": "Zcash Signed Message:\n"
+	"signed_message_header": "Zcash Signed Message:\n",
+	"hash_genesis_block": "027e3758c3a65b12aa1046462b486d0a63bfa1beae327897f56c5cfb7daaae71"
 }]