Add Koto (#103)

defs/coins/koto.json

@@ -0,0 +1,38 @@
+{
+  "coin_name": "Koto",
+  "coin_shortcut": "KOTO",
+  "coin_label": "Koto",
+  "website": "https://koto.cash",
+  "github": "https://github.com/koto-dev/koto",
+  "maintainer": "WO <wo@kotocoin.info>",
+  "curve_name": "secp256k1",
+  "address_type": 7352,
+  "address_type_p2sh": 7357,
+  "maxfee_kb": 1000000,
+  "minfee_kb": 1000,
+  "signed_message_header": "Koto Signed Message:\n",
+  "hash_genesis_block": "6d424c350729ae633275d51dc3496e16cd1b1d195c164da00f39c499a2e9959e",
+  "xprv_magic": 76066276,
+  "xpub_magic": 76067358,
+  "xpub_magic_segwit_p2sh": null,
+  "xpub_magic_segwit_native": null,
+  "bech32_prefix": null,
+  "cashaddr_prefix": null,
+  "slip44": 510,
+  "segwit": false,
+  "decred": false,
+  "forkid": null,
+  "force_bip143": false,
+  "default_fee_b": {
+    "Normal": 10
+  },
+  "dust_limit": 546,
+  "blocktime_seconds": 60,
+  "address_prefix": "koto:",
+  "min_address_length": 35,
+  "max_address_length": 95,
+  "bitcore": [
+    "https://insight.kotocoin.info"
+  ],
+  "blockbook": []
+}