defs: add XRC (#303)

defs/bitcoin/brhodium.json

@@ -0,0 +1,44 @@
+{
+  "coin_name": "Brhodium",
+  "coin_shortcut": "XRC",
+  "coin_label": "Bitcoin Rhodium",
+  "website": "https://www.bitcoinrh.org",
+  "github": "https://gitlab.com/bitcoinrh/BRhodiumNode",
+  "maintainer": "baff5b <dvbr3@protonmail.com>",
+  "curve_name": "secp256k1",
+  "address_type": 61,
+  "address_type_p2sh": 123,
+  "maxfee_kb": 2000000,
+  "minfee_kb": 1000,
+  "signed_message_header": "BitCoin Rhodium Signed Message:\n",
+  "hash_genesis_block": "baff5bfd9dc43fb672d003ec20fd21428f9282ca46bfa1730d73e1f2c75f5fdd",
+  "xprv_magic": 76066276,
+  "xpub_magic": 76067358,
+  "xpub_magic_segwit_p2sh": null,
+  "xpub_magic_segwit_native": null,
+  "bech32_prefix": null,
+  "cashaddr_prefix": null,
+  "slip44": 10291,
+  "segwit": false,
+  "decred": false,
+  "fork_id": null,
+  "force_bip143": false,
+  "bip115": false,
+  "default_fee_b": {
+    "Low": 10,
+    "Economy": 70,
+    "Normal": 140,
+    "High": 200
+  },
+  "dust_limit": 546,
+  "blocktime_seconds": 600,
+  "uri_prefix": "bitcoin-rhodium",
+  "min_address_length": 27,
+  "max_address_length": 34,
+  "bitcore": [],
+    "blockbook": [
+      "https://blockbook1.bitcoinrh.org",
+      "https://blockbook2.bitcoinrh.org"
+    ],
+  "cooldown": 100
+}