diff --git a/.gitignore b/.gitignore
index 12ac647..d16c649 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 node_modules/
-.DS_Store
\ No newline at end of file
+
+.DS_Store
+npm-debug.log
diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index f547b9c..0000000
--- a/.npmignore
+++ /dev/null
@@ -1,3 +0,0 @@
-.gitignore
-test/
-.DS_Store
diff --git a/lib/coins/blk.js b/lib/coins/blk.js
index cb67abb..8ff015e 100644
--- a/lib/coins/blk.js
+++ b/lib/coins/blk.js
@@ -1,12 +1,10 @@
-/*
-  info from:
-    https://github.com/rat4/blackcoin/blob/master/src/chainparams.cpp
-*/
-
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
+
+// https://github.com/rat4/blackcoin/blob/master/src/chainparams.cpp
 
 var common = {
-  name: 'BlackCoin',
+  name: 'Blackcoin',
   per1: 1e8,
   unit: 'BLK'
 }
@@ -30,8 +28,7 @@ var main = assign({}, {
       private: 0x0488ade4,
       public: 0x0488b21e
     },
-    // http://doc.satoshilabs.com/slips/slip-0044.html
-    bip44: 0xa,
+    bip44: bip44Constants.Blackcoin - 0x80000000,
     private: 0x99,
     public: 0x19,
     scripthash: 0x55
diff --git a/lib/coins/btc.js b/lib/coins/btc.js
index edf589b..29f256d 100644
--- a/lib/coins/btc.js
+++ b/lib/coins/btc.js
@@ -4,6 +4,7 @@
 */
 
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 var common = {
   name: 'Bitcoin',
@@ -34,8 +35,7 @@ var main = assign({}, {
       private: 0x0488ade4,
       public: 0x0488b21e
     },
-    // http://doc.satoshilabs.com/slips/slip-0044.html
-    bip44: 0,
+    bip44: bip44Constants.Bitcoin - 0x80000000,
     private: 0x80,
     public: 0x00,
     scripthash: 0x05
@@ -59,7 +59,7 @@ var test = assign({}, {
       private: 0x04358394,
       public: 0x043587cf
     },
-    bip44: 1,
+    bip44: bip44Constants.Testnet - 0x80000000,
     private: 0xef,
     public: 0x6f,
     scripthash: 0xc4
@@ -78,7 +78,7 @@ var regtest = assign({}, {
       private: 0x04358394,
       public: 0x043587cf
     },
-    bip44: 1,
+    bip44: bip44Constants.Testnet - 0x80000000,
     private: 0xef,
     public: 0x6f,
     scripthash: 0xc4
diff --git a/lib/coins/dash.js b/lib/coins/dash.js
index c481665..a11bd2d 100644
--- a/lib/coins/dash.js
+++ b/lib/coins/dash.js
@@ -1,9 +1,7 @@
-/*
-  info from:
-    https://github.com/dashpay/dash/blob/master/src/chainparams.cpp
-*/
-
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
+
+// https://github.com/dashpay/dash/blob/master/src/chainparams.cpp
 
 var common = {
   name: 'Dash',
@@ -31,7 +29,7 @@ var main = assign({}, {
       private: 0x02FE52CC,
       public: 0x02FE52F8
     },
-    bip44: 5,
+    bip44: bip44Constants.Dash - 0x80000000,
     private: 0xcc,
     public: 0x4c,
     scripthash: 0x10
@@ -54,7 +52,7 @@ var test = assign({}, {
       private: 0x3a805837,
       public: 0x3a8061a0
     },
-    bip44: 1,
+    bip44: bip44Constants.Testnet - 0x80000000,
     private: 0xef,
     public: 0x8b,
     scripthash: 0x13
diff --git a/lib/coins/doge.js b/lib/coins/doge.js
index e64875b..d1545e5 100644
--- a/lib/coins/doge.js
+++ b/lib/coins/doge.js
@@ -1,4 +1,5 @@
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 // https://github.com/dogecoin/dogecoin/blob/master/src/chainparams.cpp
 
@@ -23,7 +24,7 @@ var main = assign({}, {
       private: 0x02fac398,
       public: 0x02facafd
     },
-    bip44: 3,
+    bip44: bip44Constants.Dogecoin - 0x80000000,
     private: 0x9e,
     public: 0x1e,
     scripthash: 0x16
@@ -32,7 +33,7 @@ var main = assign({}, {
 
 var test = assign({}, {
   versions: {
-    bip44: 1,
+    bip44: bip44Constants.Testnet - 0x80000000,
     private: 0xf1,
     public: 0x71,
     scripthash: 0xc4
diff --git a/lib/coins/ltc.js b/lib/coins/ltc.js
index 6d9ba98..61757bf 100644
--- a/lib/coins/ltc.js
+++ b/lib/coins/ltc.js
@@ -1,4 +1,5 @@
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 // https://github.com/litecoin-project/litecoin/blob/master-0.10/src/chainparams.cpp
 
@@ -24,7 +25,7 @@ var main = assign({}, {
       private: 0x019d9cfe,
       public: 0x019da462
     },
-    bip44: 2,
+    bip44: bip44Constants.Litecoin - 0x80000000,
     private: 0xb0,
     public: 0x30,
     scripthash: 0x05
@@ -33,7 +34,7 @@ var main = assign({}, {
 
 var test = assign({}, {
   versions: {
-    bip44: 1,
+    bip44: bip44Constants.Testnet - 0x80000000,
     private: 0xef,
     public: 0x6f,
     scripthash: 0xc4
diff --git a/lib/coins/nbt.js b/lib/coins/nbt.js
index de1442d..e44f518 100644
--- a/lib/coins/nbt.js
+++ b/lib/coins/nbt.js
@@ -1,4 +1,5 @@
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 var common = {
   name: 'NuBits',
@@ -23,7 +24,7 @@ var main = assign({}, {
       private: 0x0488ade4,
       public: 0x0488b21e
     },
-    bip44: 12,
+    bip44: bip44Constants.NuBits - 0x80000000,
     private: 0x96,
     public: 0x19,
     scripthash: 0x1a
diff --git a/lib/coins/nmc.js b/lib/coins/nmc.js
index 266b594..7721c09 100644
--- a/lib/coins/nmc.js
+++ b/lib/coins/nmc.js
@@ -1,4 +1,5 @@
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 var common = {
   name: 'Namecoin',
@@ -7,8 +8,7 @@ var common = {
 
 var main = assign({}, {
   versions: {
-    // http://doc.satoshilabs.com/slips/slip-0044.html
-    bip44: 7,
+    bip44: bip44Constants.Namecoin - 0x80000000,
     private: 0xb4,
     public: 0x34,
     scripthash: 0x05
diff --git a/lib/coins/ppc.js b/lib/coins/ppc.js
index 8147e89..bb04eea 100644
--- a/lib/coins/ppc.js
+++ b/lib/coins/ppc.js
@@ -1,4 +1,5 @@
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 var common = {
   name: 'Peercoin',
@@ -7,7 +8,7 @@ var common = {
 
 var main = assign({}, {
   versions: {
-    bip44: 6,
+    bip44: bip44Constants.Peercoin - 0x80000000,
     private: 0xc4,
     public: 0x44,
     scripthash: 0x05
diff --git a/lib/coins/rdd.js b/lib/coins/rdd.js
index f87a394..5b07249 100644
--- a/lib/coins/rdd.js
+++ b/lib/coins/rdd.js
@@ -1,13 +1,14 @@
 var assign = require('object-assign')
+var bip44Constants = require('bip44-constants')
 
 var common = {
-  name: 'ReddCoin',
+  name: 'Reddcoin',
   unit: 'RDD'
 }
 
 var main = assign({}, {
   versions: {
-    bip44: 4,
+    bip44: bip44Constants.Reddcoin - 0x80000000,
     private: 0xbd,
     public: 0x3d,
     scripthash: 0x05
@@ -16,7 +17,7 @@ var main = assign({}, {
 
 var test = assign({}, {
   versions: {
-    bip44: 1,
+    bip44: bip44Constants.Testnet - 0x80000000,
     private: 0xef,
     public: 0x6f,
     scripthash: 0xc4
diff --git a/package.json b/package.json
index e67b580..551e420 100644
--- a/package.json
+++ b/package.json
@@ -25,12 +25,16 @@
     "type": "git"
   },
   "main": "./lib/coininfo.js",
+  "files": [
+    "lib"
+  ],
   "scripts": {
     "lint": "standard",
     "test": "npm run lint && npm run unit",
     "unit": "mocha"
   },
   "dependencies": {
+    "bip44-constants": "^2.1.0",
     "object-assign": "^4.0.1"
   }
 }