diff --git a/lib/coins/btc.js b/lib/coins/btc.js
index 8dc3385..9046b02 100644
--- a/lib/coins/btc.js
+++ b/lib/coins/btc.js
@@ -90,6 +90,30 @@ var regtest = Object.assign({}, {
   }
 }, common)
 
+var signet = Object.assign({}, {
+  hashGenesisBlock: '00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6',
+  port: 38333,
+  portRpc: 38332,
+  protocol: {
+    magic: 0x7ec653a5
+  },
+  bech32: 'tb',
+  seedsDns: [
+    '178.128.221.177',
+    '2a01:7c8:d005:390::5'
+  ],
+  versions: {
+    bip32: {
+      private: 0x04358394,
+      public: 0x043587cf
+    },
+    bip44: 1,
+    private: 0xef,
+    public: 0x6f,
+    scripthash: 0xc4
+  }
+}, common)
+
 // source: https://github.com/btcsuite/btcd/blob/6867ff32788a1beb9d148e414d7f84f50958f0d2/chaincfg/params.go#L508
 var simnet = Object.assign({}, {
   hashGenesisBlock: 'f67ad7695d9b662a72ff3d8edbbb2de0bfa67b13974bb9910d116d5cbd863e68',
@@ -115,6 +139,7 @@ var simnet = Object.assign({}, {
 module.exports = {
   main,
   test,
+  signet,
   regtest,
   simnet
 }