Add Bitcore (BTX) support (#98)

defs/coins/bitcore.json

@@ -0,0 +1,36 @@
+{
+	"coin_name": "Bitcore",
+	"coin_shortcut": "BTX",
+	"coin_label": "Bitcore",
+	"website": "https://bitcore.cc",
+	"github": "https://github.com/LIMXTEC/BitCore",
+	"maintainer": "limxdev <limxdev@bitcore.cc>",
+	"curve_name": "secp256k1",
+	"address_type": 0,
+	"address_type_p2sh": 5,
+	"maxfee_kb": 2000000,
+	"minfee_kb": 1000,
+	"signed_message_header": "Bitcore Signed Message:\n",
+	"hash_genesis_block": "604148281e5c4b7f2487e5d03cd60d8e6f69411d613f6448034508cea52e9574",
+	"xprv_magic": "0488ade4",
+	"xpub_magic": "0488b21e",
+	"xpub_magic_segwit_p2sh": "049d7cb2",
+	"bech32_prefix": "bc",
+	"cashaddr_prefix": null,
+	"slip44": 0,
+	"segwit": true,
+	"decred": false,
+	"forkid": null,
+	"force_bip143": false,
+	"default_fee_b": {
+		"Low": 10,
+	},
+	"dust_limit": 546,
+	"blocktime_minutes": 2.5,
+	"address_prefix": "bitcore:",
+	"min_address_length": 27,
+	"max_address_length": 34,
+	"bitcore": [
+		"https://insight.bitcore.cc"
+	]
+}