diff --git a/defs/misc/misc.json b/defs/misc/misc.json
index 91bd66b562..7abf2a944d 100644
--- a/defs/misc/misc.json
+++ b/defs/misc/misc.json
@@ -186,6 +186,20 @@
         "wallet": {},
         "blockchain_link": {}
     },
+    {
+        "name": "Binance Chain",
+        "shortcut": "BNB",
+        "slip44": 714,
+        "curve": "secp256k1",
+        "decimals": 8,
+        "links": {
+            "Homepage": "https://binance.org"
+        },
+        "wallet": {
+            "Trust Wallet": "https://trustwallet.com"
+        },
+        "blockchain_link": {}
+    },
     {
         "name": "Tether",
         "shortcut": "USDT",
diff --git a/protob/Makefile b/protob/Makefile
index 623959ce5c..97955679c3 100644
--- a/protob/Makefile
+++ b/protob/Makefile
@@ -1,4 +1,4 @@
-check: messages.pb messages-bitcoin.pb messages-bootloader.pb messages-cardano.pb messages-common.pb messages-crypto.pb messages-debug.pb messages-ethereum.pb messages-lisk.pb messages-management.pb messages-monero.pb messages-nem.pb messages-ripple.pb messages-stellar.pb messages-tezos.pb messages-ontology.pb messages-tron.pb messages-eos.pb
+check: messages.pb messages-binance.pb messages-bitcoin.pb messages-bootloader.pb messages-cardano.pb messages-common.pb messages-crypto.pb messages-debug.pb messages-ethereum.pb messages-lisk.pb messages-management.pb messages-monero.pb messages-nem.pb messages-ripple.pb messages-stellar.pb messages-tezos.pb messages-ontology.pb messages-tron.pb messages-eos.pb
 
 %.pb: %.proto
 	protoc -I/usr/include -I. $< -o $@
diff --git a/protob/messages-binance.proto b/protob/messages-binance.proto
new file mode 100644
index 0000000000..7afa466a5f
--- /dev/null
+++ b/protob/messages-binance.proto
@@ -0,0 +1,151 @@
+syntax = "proto2";
+package hw.trezor.messages.binance;
+
+// Sugar for easier handling in Java
+option java_package = "com.satoshilabs.trezor.lib.protobuf";
+option java_outer_classname = "TrezorMessageBinance";
+
+/**
+ * Request: Ask the device for a Binance address.
+ * @start
+ * @next BinanceAddress
+ * @next Failure
+ */
+message BinanceGetAddress {
+    repeated uint32 address_n = 1;  // BIP-32-style path to derive the key from master node
+    optional bool show_display = 2; // optionally prompt for confirmation on trezor display
+}
+
+/**
+ * Response: A Binance address.
+ * @end
+ */
+message BinanceAddress {
+    optional string address = 1;    // prefixed bech32 Binance address
+}
+
+/**
+ * Request: Ask device for a public key corresponding to address_n path.
+ * @start
+ * @next BinancePublicKey
+ */
+message BinanceGetPublicKey {
+    repeated uint32 address_n = 1;  // BIP-32 path to derive the key from master node
+    optional bool show_display = 2; // optionally show on display before sending the result
+}
+
+/**
+ * Response: A public key corresponding to address_n path.
+ * @end
+ */
+message BinancePublicKey {
+    optional bytes public_key = 1;
+}
+
+/**
+ * Request: Starts the Binance transaction protocol flow.
+ * A transaction consists of these common fields and a series of Binance<Any>Msg messages. 
+ * These parts form a JSON structure (a string) in Trezor's memory, which is signed to produce a BinanceSignedTx.
+ * @start
+ * @next BinanceTxRequest
+ * @next Failure
+*/
+message BinanceSignTx {
+    repeated uint32 address_n = 1; // BIP-32-style path to derive the key from master node
+    optional uint32 msg_count = 2; // count of Binance<Any>Msg to be included in this tx
+    optional sint64 account_number = 3;
+    optional string chain_id = 4;
+    optional string memo = 5;
+    optional sint64 sequence = 6;
+    optional sint64 source = 7;
+}
+
+/**
+ * Response: Trezor requests the next message or signals that it is ready to send a BinanceSignedTx.
+ * @next BinanceTransferMsg
+ * @next BinanceOrderMsg
+ * @next BinanceCancelMsg
+ */
+message BinanceTxRequest {
+}
+
+/**
+ * Request: Ask the device to include a Binance transfer msg in the tx.
+ * @next BinanceTxRequest
+ * @next BinanceSignedTx
+ * @next Failure
+ */
+message BinanceTransferMsg {
+    repeated InputOutput inputs = 1;
+    repeated InputOutput outputs = 2;
+
+    message Coin {
+        optional sint64 amount = 1;
+        optional string denom = 2;
+    }
+
+    message InputOutput {
+        optional string address = 1;
+        repeated Coin coins = 2;
+    }
+}
+
+/**
+ * Request: Ask the device to include a Binance order msg in the tx.
+ * @next BinanceTxRequest
+ * @next BinanceSignedTx
+ * @next Failure
+ */
+message BinanceOrderMsg {
+    optional string id = 1;
+    optional OrderType ordertype = 2;
+    optional sint64 price = 3;
+    optional sint64 quantity = 4;
+    optional string sender = 5;
+    optional OrderSide side = 6;
+    optional string symbol = 7;
+    optional TimeInForce timeinforce = 8;
+
+    enum OrderType {
+        OT_UNKNOWN = 0;
+        MARKET = 1;
+        LIMIT = 2;
+        OT_RESERVED = 3;
+    }
+
+    enum OrderSide {
+        SIDE_UNKNOWN = 0;
+        BUY = 1;
+        SELL = 2;
+    }
+
+    enum TimeInForce {
+        TIF_UNKNOWN = 0;
+        GTE = 1;
+        TIF_RESERVED = 2;
+        IOC = 3;
+    }
+}
+
+/**
+ * Request: Ask the device to include a Binance cancel msg in the tx.
+ * @next BinanceTxRequest
+ * @next BinanceSignedTx
+ * @next Failure
+ */
+message BinanceCancelMsg {
+    optional string refid = 1;
+    optional string sender = 2;
+    optional string symbol = 3;
+}
+
+/**
+ * Response: A transaction signature and public key corresponding to the address_n path in BinanceSignTx.
+ * @end
+ */
+message BinanceSignedTx {
+	optional bytes signature = 1;
+    optional bytes public_key = 2;
+	optional string json = 3;
+}
+
diff --git a/protob/messages.proto b/protob/messages.proto
index bc50106870..63f13e5d8d 100644
--- a/protob/messages.proto
+++ b/protob/messages.proto
@@ -245,4 +245,16 @@ enum MessageType {
     MessageType_EosTxActionRequest = 603 [(wire_out) = true];
     MessageType_EosTxActionAck = 604 [(wire_in) = true];
     MessageType_EosSignedTx = 605 [(wire_out) = true];
+
+    // Binance
+    MessageType_BinanceGetAddress = 700 [(wire_in) = true];
+    MessageType_BinanceAddress = 701 [(wire_out) = true];
+    MessageType_BinanceGetPublicKey = 702 [(wire_in) = true];
+    MessageType_BinancePublicKey = 703 [(wire_out) = true];
+    MessageType_BinanceSignTx = 704 [(wire_in) = true];
+    MessageType_BinanceTxRequest = 705 [(wire_out) = true];
+    MessageType_BinanceTransferMsg = 706 [(wire_in) = true];
+    MessageType_BinanceOrderMsg = 707 [(wire_in) = true];
+    MessageType_BinanceCancelMsg = 708 [(wire_in) = true];
+    MessageType_BinanceSignedTx = 709 [(wire_out) = true];
 }