diff --git a/common/defs/bitcoin/bellcoin.json b/common/defs/bitcoin/bellcoin.json
new file mode 100644
index 000000000..2b04245f0
--- /dev/null
+++ b/common/defs/bitcoin/bellcoin.json
@@ -0,0 +1,42 @@
+{
+  "coin_name": "Bellcoin",
+  "coin_shortcut": "BELL",
+  "coin_label": "Bellcoin",
+  "website": "https://bellcoin.web4u.jp",
+  "github": "https://github.com/bellcoin-org/bellcoin",
+  "maintainer": "ilmango-doge <ilmango.doge@gmail.com>",
+  "curve_name": "secp256k1",
+  "address_type": 25,
+  "address_type_p2sh": 85,
+  "maxfee_kb": 1000000,
+  "minfee_kb": 1000,
+  "signed_message_header": "Bellcoin Signed Message:\n",
+  "hash_genesis_block": "000008f3b6bd10c2d03b06674a006b8d9731f6cb58179ef1eee008cee2209603",
+  "xprv_magic": 76066276,
+  "xpub_magic": 76067358,
+  "xpub_magic_segwit_p2sh": 77429938,
+  "xpub_magic_segwit_native": 78792518,
+  "bech32_prefix": "bm",
+  "cashaddr_prefix": null,
+  "slip44": 25252,
+  "segwit": true,
+  "decred": false,
+  "fork_id": null,
+  "force_bip143": false,
+  "bip115": false,
+  "default_fee_b": {
+    "Normal": 20
+  },
+  "dust_limit": 546,
+  "blocktime_seconds": 60,
+  "uri_prefix": "bellcoin",
+  "min_address_length": 27,
+  "max_address_length": 34,
+  "bitcore": [],
+  "blockbook": [
+    "https://bellcoin-blockbook.ilmango.work",
+    "https://bell.blockbook.ovh"
+  ],
+  "cooldown": 100,
+  "consensus_branch_id": null
+}
diff --git a/common/defs/bitcoin/bellcoin.png b/common/defs/bitcoin/bellcoin.png
new file mode 100644
index 000000000..4caf5cd6c
Binary files /dev/null and b/common/defs/bitcoin/bellcoin.png differ