diff --git a/.gitignore b/.gitignore
index 4aa6b97..7a6aeed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 build/
 browser/bundle.js
-browser/vendor.js
+browser/testdata.js
 node_modules/
 *.swp
 *.swo
diff --git a/Gruntfile.js b/Gruntfile.js
index fcb8c54..58973cc 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -23,13 +23,15 @@ module.exports = function(grunt) {
           standalone: 'bitcore',
         }
       },
-      /*vendor: {
-        src: ['browser/vendor_load.js'],
-        dest: 'browser/vendor.js',
+      test_data: {
+        src: ['test/testdata.js'],
+        dest: 'browser/testdata.js',
         options: {
-
+          transform: ['brfs'],
+          debug: true,
+          standalone: 'testdata',
         }
-      }*/
+      }
     },
     watch: {
       readme: {
@@ -37,8 +39,8 @@ module.exports = function(grunt) {
         tasks: ['markdown']
       },
       scripts: {
-        files: ['**/*.js', '**/*.html', '!**/node_modules/**', '!**/bundle.js', '!**/vendor.js'],
-        tasks: ['browserify'/*, 'mochaTest'*/],
+        files: ['**/*.js', '**/*.html', '!**/node_modules/**', '!browser/bundle.js', '!browser/load_test_data.js'],
+        tasks: ['browserify' /*, 'mochaTest'*/ ],
       },
     },
     mochaTest: {
@@ -49,14 +51,12 @@ module.exports = function(grunt) {
     },
     markdown: {
       all: {
-        files: [
-         {
-           expand: true,
-           src: 'README.md',
-           dest: '.',
-           ext: '.html'
-         }
-        ]
+        files: [{
+          expand: true,
+          src: 'README.md',
+          dest: '.',
+          ext: '.html'
+        }]
       }
     }
 
@@ -66,4 +66,3 @@ module.exports = function(grunt) {
   grunt.registerTask('default', ['watch']);
 
 };
-
diff --git a/bitcore.js b/bitcore.js
index b284ef3..fc15e54 100644
--- a/bitcore.js
+++ b/bitcore.js
@@ -33,8 +33,6 @@ module.exports.Wallet = require('./Wallet');
 module.exports.WalletKey = require('./WalletKey');
 module.exports.Buffer = Buffer;
 
-//module.exports.is = require('./browser/KeyEcdsaAdapter.js').is;
-
 if (typeof process.versions === 'undefined') {
   module.exports.bignum.config({EXPONENTIAL_AT: 9999999, DECIMAL_PLACES: 0, ROUNDING_MODE: 1});
 }
diff --git a/browser/browser.js b/browser/browser.js
index ea1e77f..d1db04b 100644
--- a/browser/browser.js
+++ b/browser/browser.js
@@ -1 +1 @@
-if ("undefined" == typeof window) window = this;
+if ('undefined' === typeof window) window = this;
diff --git a/browser/vendor_load.js b/browser/vendor_load.js
deleted file mode 100644
index 4e97483..0000000
--- a/browser/vendor_load.js
+++ /dev/null
@@ -1,5 +0,0 @@
-
-// load modules needed for testing in the browser
-
-//var fs = require('fs');
-
diff --git a/package.json b/package.json
index c193cde..e8afd23 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,8 @@
     "mocha": ">=1.15.1",
     "browserify-bignum": "git://github.com/maraoz/browserify-bignum.git",
     "browserify-buffertools": "~1.0.2",
-    "chai": "~1.9.0"
+    "chai": "~1.9.0",
+    "brfs": "~1.0.0"
   },
   "license": "MIT"
 }
diff --git a/test/data/base58_keys_invalid.json b/test/data/base58_keys_invalid.json
new file mode 100644
index 0000000..a088620
--- /dev/null
+++ b/test/data/base58_keys_invalid.json
@@ -0,0 +1,152 @@
+[
+    [
+        ""
+    ], 
+    [
+        "x"
+    ], 
+    [
+        "37qgekLpCCHrQuSjvX3fs496FWTGsHFHizjJAs6NPcR47aefnnCWECAhHV6E3g4YN7u7Yuwod5Y"
+    ], 
+    [
+        "dzb7VV1Ui55BARxv7ATxAtCUeJsANKovDGWFVgpTbhq9gvPqP3yv"
+    ], 
+    [
+        "MuNu7ZAEDFiHthiunm7dPjwKqrVNCM3mAz6rP9zFveQu14YA8CxExSJTHcVP9DErn6u84E6Ej7S"
+    ], 
+    [
+        "rPpQpYknyNQ5AEHuY6H8ijJJrYc2nDKKk9jjmKEXsWzyAQcFGpDLU2Zvsmoi8JLR7hAwoy3RQWf"
+    ], 
+    [
+        "4Uc3FmN6NQ6zLBK5QQBXRBUREaaHwCZYsGCueHauuDmJpZKn6jkEskMB2Zi2CNgtb5r6epWEFfUJq"
+    ], 
+    [
+        "7aQgR5DFQ25vyXmqZAWmnVCjL3PkBcdVkBUpjrjMTcghHx3E8wb"
+    ], 
+    [
+        "17QpPprjeg69fW1DV8DcYYCKvWjYhXvWkov6MJ1iTTvMFj6weAqW7wybZeH57WTNxXVCRH4veVs"
+    ], 
+    [
+        "KxuACDviz8Xvpn1xAh9MfopySZNuyajYMZWz16Dv2mHHryznWUp3"
+    ], 
+    [
+        "7nK3GSmqdXJQtdohvGfJ7KsSmn3TmGqExug49583bDAL91pVSGq5xS9SHoAYL3Wv3ijKTit65th"
+    ], 
+    [
+        "cTivdBmq7bay3RFGEBBuNfMh2P1pDCgRYN2Wbxmgwr4ki3jNUL2va"
+    ], 
+    [
+        "gjMV4vjNjyMrna4fsAr8bWxAbwtmMUBXJS3zL4NJt5qjozpbQLmAfK1uA3CquSqsZQMpoD1g2nk"
+    ], 
+    [
+        "emXm1naBMoVzPjbk7xpeTVMFy4oDEe25UmoyGgKEB1gGWsK8kRGs"
+    ], 
+    [
+        "7VThQnNRj1o3Zyvc7XHPRrjDf8j2oivPTeDXnRPYWeYGE4pXeRJDZgf28ppti5hsHWXS2GSobdqyo"
+    ], 
+    [
+        "1G9u6oCVCPh2o8m3t55ACiYvG1y5BHewUkDSdiQarDcYXXhFHYdzMdYfUAhfxn5vNZBwpgUNpso"
+    ], 
+    [
+        "31QQ7ZMLkScDiB4VyZjuptr7AEc9j1SjstF7pRoLhHTGkW4Q2y9XELobQmhhWxeRvqcukGd1XCq"
+    ], 
+    [
+        "DHqKSnpxa8ZdQyH8keAhvLTrfkyBMQxqngcQA5N8LQ9KVt25kmGN"
+    ], 
+    [
+        "2LUHcJPbwLCy9GLH1qXmfmAwvadWw4bp4PCpDfduLqV17s6iDcy1imUwhQJhAoNoN1XNmweiJP4i"
+    ], 
+    [
+        "7USRzBXAnmck8fX9HmW7RAb4qt92VFX6soCnts9s74wxm4gguVhtG5of8fZGbNPJA83irHVY6bCos"
+    ], 
+    [
+        "1DGezo7BfVebZxAbNT3XGujdeHyNNBF3vnficYoTSp4PfK2QaML9bHzAMxke3wdKdHYWmsMTJVu"
+    ], 
+    [
+        "2D12DqDZKwCxxkzs1ZATJWvgJGhQ4cFi3WrizQ5zLAyhN5HxuAJ1yMYaJp8GuYsTLLxTAz6otCfb"
+    ], 
+    [
+        "8AFJzuTujXjw1Z6M3fWhQ1ujDW7zsV4ePeVjVo7D1egERqSW9nZ"
+    ], 
+    [
+        "163Q17qLbTCue8YY3AvjpUhotuaodLm2uqMhpYirsKjVqnxJRWTEoywMVY3NbBAHuhAJ2cF9GAZ"
+    ], 
+    [
+        "2MnmgiRH4eGLyLc9eAqStzk7dFgBjFtUCtu"
+    ], 
+    [
+        "461QQ2sYWxU7H2PV4oBwJGNch8XVTYYbZxU"
+    ], 
+    [
+        "2UCtv53VttmQYkVU4VMtXB31REvQg4ABzs41AEKZ8UcB7DAfVzdkV9JDErwGwyj5AUHLkmgZeobs"
+    ], 
+    [
+        "cSNjAsnhgtiFMi6MtfvgscMB2Cbhn2v1FUYfviJ1CdjfidvmeW6mn"
+    ], 
+    [
+        "gmsow2Y6EWAFDFE1CE4Hd3Tpu2BvfmBfG1SXsuRARbnt1WjkZnFh1qGTiptWWbjsq2Q6qvpgJVj"
+    ], 
+    [
+        "nksUKSkzS76v8EsSgozXGMoQFiCoCHzCVajFKAXqzK5on9ZJYVHMD5CKwgmX3S3c7M1U3xabUny"
+    ], 
+    [
+        "L3favK1UzFGgdzYBF2oBT5tbayCo4vtVBLJhg2iYuMeePxWG8SQc"
+    ], 
+    [
+        "7VxLxGGtYT6N99GdEfi6xz56xdQ8nP2dG1CavuXx7Rf2PrvNMTBNevjkfgs9JmkcGm6EXpj8ipyPZ"
+    ], 
+    [
+        "2mbZwFXF6cxShaCo2czTRB62WTx9LxhTtpP"
+    ], 
+    [
+        "dB7cwYdcPSgiyAwKWL3JwCVwSk6epU2txw"
+    ], 
+    [
+        "HPhFUhUAh8ZQQisH8QQWafAxtQYju3SFTX"
+    ], 
+    [
+        "4ctAH6AkHzq5ioiM1m9T3E2hiYEev5mTsB"
+    ], 
+    [
+        "Hn1uFi4dNexWrqARpjMqgT6cX1UsNPuV3cHdGg9ExyXw8HTKadbktRDtdeVmY3M1BxJStiL4vjJ"
+    ], 
+    [
+        "Sq3fDbvutABmnAHHExJDgPLQn44KnNC7UsXuT7KZecpaYDMU9Txs"
+    ], 
+    [
+        "6TqWyrqdgUEYDQU1aChMuFMMEimHX44qHFzCUgGfqxGgZNMUVWJ"
+    ], 
+    [
+        "giqJo7oWqFxNKWyrgcBxAVHXnjJ1t6cGoEffce5Y1y7u649Noj5wJ4mmiUAKEVVrYAGg2KPB3Y4"
+    ], 
+    [
+        "cNzHY5e8vcmM3QVJUcjCyiKMYfeYvyueq5qCMV3kqcySoLyGLYUK"
+    ], 
+    [
+        "37uTe568EYc9WLoHEd9jXEvUiWbq5LFLscNyqvAzLU5vBArUJA6eydkLmnMwJDjkL5kXc2VK7ig"
+    ], 
+    [
+        "EsYbG4tWWWY45G31nox838qNdzksbPySWc"
+    ], 
+    [
+        "nbuzhfwMoNzA3PaFnyLcRxE9bTJPDkjZ6Rf6Y6o2ckXZfzZzXBT"
+    ], 
+    [
+        "cQN9PoxZeCWK1x56xnz6QYAsvR11XAce3Ehp3gMUdfSQ53Y2mPzx"
+    ], 
+    [
+        "1Gm3N3rkef6iMbx4voBzaxtXcmmiMTqZPhcuAepRzYUJQW4qRpEnHvMojzof42hjFRf8PE2jPde"
+    ], 
+    [
+        "2TAq2tuN6x6m233bpT7yqdYQPELdTDJn1eU"
+    ], 
+    [
+        "ntEtnnGhqPii4joABvBtSEJG6BxjT2tUZqE8PcVYgk3RHpgxgHDCQxNbLJf7ardf1dDk2oCQ7Cf"
+    ], 
+    [
+        "Ky1YjoZNgQ196HJV3HpdkecfhRBmRZdMJk89Hi5KGfpfPwS2bUbfd"
+    ], 
+    [
+        "2A1q1YsMZowabbvta7kTy2Fd6qN4r5ZCeG3qLpvZBMzCixMUdkN2Y4dHB1wPsZAeVXUGD83MfRED"
+    ]
+]
diff --git a/test/data/base58_keys_valid.json b/test/data/base58_keys_valid.json
new file mode 100644
index 0000000..e1e252e
--- /dev/null
+++ b/test/data/base58_keys_valid.json
@@ -0,0 +1,452 @@
+[
+    [
+        "1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62i", 
+        "65a16059864a2fdbc7c99a4723a8395bc6f188eb", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou", 
+        "74f209f6ea907e2ea48f74fae05782ae8a665257", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "mo9ncXisMeAoXwqcV5EWuyncbmCcQN4rVs", 
+        "53c0307d6851aa0ce7825ba883c6bd9ad242b486", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "2N2JD6wb56AfK4tfmM6PwdVmoYk2dCKf4Br", 
+        "6349a418fc4578d10a372b54b45c280cc8c4382f", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "5Kd3NBUAdUnhyzenEwVLy9pBKxSwXvE9FMPyR4UKZvpe6E3AgLr", 
+        "eddbdc1168f1daeadbd3e44c1e3f8f5a284c2029f78ad26af98583a499de5b19", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "Kz6UJmQACJmLtaQj5A3JAge4kVTNQ8gbvXuwbmCj7bsaabudb3RD", 
+        "55c9bccb9ed68446d1b75273bbce89d7fe013a8acd1625514420fb2aca1a21c4", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "9213qJab2HNEpMpYNBa7wHGFKKbkDn24jpANDs2huN3yi4J11ko", 
+        "36cb93b9ab1bdabf7fb9f2c04f1b9cc879933530ae7842398eef5a63a56800c2", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "cTpB4YiyKiBcPxnefsDpbnDxFDffjqJob8wGCEDXxgQ7zQoMXJdH", 
+        "b9f4892c9e8282028fea1d2667c4dc5213564d41fc5783896a0d843fc15089f3", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "1Ax4gZtb7gAit2TivwejZHYtNNLT18PUXJ", 
+        "6d23156cbbdcc82a5a47eee4c2c7c583c18b6bf4", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "3QjYXhTkvuj8qPaXHTTWb5wjXhdsLAAWVy", 
+        "fcc5460dd6e2487c7d75b1963625da0e8f4c5975", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "n3ZddxzLvAY9o7184TB4c6FJasAybsw4HZ", 
+        "f1d470f9b02370fdec2e6b708b08ac431bf7a5f7", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n", 
+        "c579342c2c4c9220205e2cdc285617040c924a0a", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "5K494XZwps2bGyeL71pWid4noiSNA2cfCibrvRWqcHSptoFn7rc", 
+        "a326b95ebae30164217d7a7f57d72ab2b54e3be64928a19da0210b9568d4015e", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "L1RrrnXkcKut5DEMwtDthjwRcTTwED36thyL1DebVrKuwvohjMNi", 
+        "7d998b45c219a1e38e99e7cbd312ef67f77a455a9b50c730c27f02c6f730dfb4", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "93DVKyFYwSN6wEo3E2fCrFPUp17FtrtNi2Lf7n4G3garFb16CRj", 
+        "d6bca256b5abc5602ec2e1c121a08b0da2556587430bcf7e1898af2224885203", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "cTDVKtMGVYWTHCb1AFjmVbEbWjvKpKqKgMaR3QJxToMSQAhmCeTN", 
+        "a81ca4e8f90181ec4b61b6a7eb998af17b2cb04de8a03b504b9e34c4c61db7d9", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "1C5bSj1iEGUgSTbziymG7Cn18ENQuT36vv", 
+        "7987ccaa53d02c8873487ef919677cd3db7a6912", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "3AnNxabYGoTxYiTEZwFEnerUoeFXK2Zoks", 
+        "63bcc565f9e68ee0189dd5cc67f1b0e5f02f45cb", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "n3LnJXCqbPjghuVs8ph9CYsAe4Sh4j97wk", 
+        "ef66444b5b17f14e8fae6e7e19b045a78c54fd79", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "2NB72XtkjpnATMggui83aEtPawyyKvnbX2o", 
+        "c3e55fceceaa4391ed2a9677f4a4d34eacd021a0", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "5KaBW9vNtWNhc3ZEDyNCiXLPdVPHCikRxSBWwV9NrpLLa4LsXi9", 
+        "e75d936d56377f432f404aabb406601f892fd49da90eb6ac558a733c93b47252", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "L1axzbSyynNYA8mCAhzxkipKkfHtAXYF4YQnhSKcLV8YXA874fgT", 
+        "8248bd0375f2f75d7e274ae544fb920f51784480866b102384190b1addfbaa5c", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "927CnUkUbasYtDwYwVn2j8GdTuACNnKkjZ1rpZd2yBB1CLcnXpo", 
+        "44c4f6a096eac5238291a94cc24c01e3b19b8d8cef72874a079e00a242237a52", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "cUcfCMRjiQf85YMzzQEk9d1s5A4K7xL5SmBCLrezqXFuTVefyhY7", 
+        "d1de707020a9059d6d3abaf85e17967c6555151143db13dbb06db78df0f15c69", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "1Gqk4Tv79P91Cc1STQtU3s1W6277M2CVWu", 
+        "adc1cc2081a27206fae25792f28bbc55b831549d", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "33vt8ViH5jsr115AGkW6cEmEz9MpvJSwDk", 
+        "188f91a931947eddd7432d6e614387e32b244709", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "mhaMcBxNh5cqXm4aTQ6EcVbKtfL6LGyK2H", 
+        "1694f5bc1a7295b600f40018a618a6ea48eeb498", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "2MxgPqX1iThW3oZVk9KoFcE5M4JpiETssVN", 
+        "3b9b3fd7a50d4f08d1a5b0f62f644fa7115ae2f3", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "5HtH6GdcwCJA4ggWEL1B3jzBBUB8HPiBi9SBc5h9i4Wk4PSeApR", 
+        "091035445ef105fa1bb125eccfb1882f3fe69592265956ade751fd095033d8d0", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "L2xSYmMeVo3Zek3ZTsv9xUrXVAmrWxJ8Ua4cw8pkfbQhcEFhkXT8", 
+        "ab2b4bcdfc91d34dee0ae2a8c6b6668dadaeb3a88b9859743156f462325187af", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "92xFEve1Z9N8Z641KQQS7ByCSb8kGjsDzw6fAmjHN1LZGKQXyMq", 
+        "b4204389cef18bbe2b353623cbf93e8678fbc92a475b664ae98ed594e6cf0856", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "cVM65tdYu1YK37tNoAyGoJTR13VBYFva1vg9FLuPAsJijGvG6NEA", 
+        "e7b230133f1b5489843260236b06edca25f66adb1be455fbd38d4010d48faeef", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "1JwMWBVLtiqtscbaRHai4pqHokhFCbtoB4", 
+        "c4c1b72491ede1eedaca00618407ee0b772cad0d", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "3QCzvfL4ZRvmJFiWWBVwxfdaNBT8EtxB5y", 
+        "f6fe69bcb548a829cce4c57bf6fff8af3a5981f9", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "mizXiucXRCsEriQCHUkCqef9ph9qtPbZZ6", 
+        "261f83568a098a8638844bd7aeca039d5f2352c0", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "2NEWDzHWwY5ZZp8CQWbB7ouNMLqCia6YRda", 
+        "e930e1834a4d234702773951d627cce82fbb5d2e", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "5KQmDryMNDcisTzRp3zEq9e4awRmJrEVU1j5vFRTKpRNYPqYrMg", 
+        "d1fab7ab7385ad26872237f1eb9789aa25cc986bacc695e07ac571d6cdac8bc0", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "L39Fy7AC2Hhj95gh3Yb2AU5YHh1mQSAHgpNixvm27poizcJyLtUi", 
+        "b0bbede33ef254e8376aceb1510253fc3550efd0fcf84dcd0c9998b288f166b3", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "91cTVUcgydqyZLgaANpf1fvL55FH53QMm4BsnCADVNYuWuqdVys", 
+        "037f4192c630f399d9271e26c575269b1d15be553ea1a7217f0cb8513cef41cb", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "cQspfSzsgLeiJGB2u8vrAiWpCU4MxUT6JseWo2SjXy4Qbzn2fwDw", 
+        "6251e205e8ad508bab5596bee086ef16cd4b239e0cc0c5d7c4e6035441e7d5de", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "19dcawoKcZdQz365WpXWMhX6QCUpR9SY4r", 
+        "5eadaf9bb7121f0f192561a5a62f5e5f54210292", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "37Sp6Rv3y4kVd1nQ1JV5pfqXccHNyZm1x3", 
+        "3f210e7277c899c3a155cc1c90f4106cbddeec6e", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "myoqcgYiehufrsnnkqdqbp69dddVDMopJu", 
+        "c8a3c2a09a298592c3e180f02487cd91ba3400b5", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "2N7FuwuUuoTBrDFdrAZ9KxBmtqMLxce9i1C", 
+        "99b31df7c9068d1481b596578ddbb4d3bd90baeb", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "5KL6zEaMtPRXZKo1bbMq7JDjjo1bJuQcsgL33je3oY8uSJCR5b4", 
+        "c7666842503db6dc6ea061f092cfb9c388448629a6fe868d068c42a488b478ae", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "KwV9KAfwbwt51veZWNscRTeZs9CKpojyu1MsPnaKTF5kz69H1UN2", 
+        "07f0803fc5399e773555ab1e8939907e9badacc17ca129e67a2f5f2ff84351dd", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "93N87D6uxSBzwXvpokpzg8FFmfQPmvX4xHoWQe3pLdYpbiwT5YV", 
+        "ea577acfb5d1d14d3b7b195c321566f12f87d2b77ea3a53f68df7ebf8604a801", 
+        {
+            "isCompressed": false, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "cMxXusSihaX58wpJ3tNuuUcZEQGt6DKJ1wEpxys88FFaQCYjku9h", 
+        "0b3b34f0958d8a268193a9814da92c3e8b58b4a4378a542863e34ac289cd830c", 
+        {
+            "isCompressed": true, 
+            "isPrivkey": true, 
+            "isTestnet": true
+        }
+    ], 
+    [
+        "13p1ijLwsnrcuyqcTvJXkq2ASdXqcnEBLE", 
+        "1ed467017f043e91ed4c44b4e8dd674db211c4e6", 
+        {
+            "addrType": "pubkey", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ], 
+    [
+        "3ALJH9Y951VCGcVZYAdpA3KchoP9McEj1G", 
+        "5ece0cadddc415b1980f001785947120acdb36fc", 
+        {
+            "addrType": "script", 
+            "isPrivkey": false, 
+            "isTestnet": false
+        }
+    ]
+]
diff --git a/test/index.html b/test/index.html
index bed91bd..bbd0d61 100644
--- a/test/index.html
+++ b/test/index.html
@@ -12,6 +12,7 @@
     <script src="../node_modules/chai/chai.js"></script>
     <script>mocha.setup('bdd')</script>
     <script src="../browser/bundle.js"></script>
+    <script src="../browser/testdata.js"></script>
     <script src="adapter.js"></script>
 
     <script src="test.Address.js"></script>
diff --git a/test/test.basic.js b/test/test.basic.js
index e3d9525..ea7b48f 100644
--- a/test/test.basic.js
+++ b/test/test.basic.js
@@ -9,6 +9,8 @@ var PrivateKey = bitcore.PrivateKey.class();
 var networks = bitcore.networks;
 var KeyModule = bitcore.KeyModule;
 
+var test_data = require('../browser/testdata');
+
 
 function test_encode_priv(b58, payload, isTestnet, isCompressed) {
   var network = isTestnet ? networks.testnet : networks.livenet;
@@ -107,571 +109,8 @@ function is_invalid(datum) {
   valid.should.equal(false);
 }
 
-var dataValid = [
-  [
-    '1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62i',
-    '65a16059864a2fdbc7c99a4723a8395bc6f188eb', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '3CMNFxN1oHBc4R1EpboAL5yzHGgE611Xou',
-    '74f209f6ea907e2ea48f74fae05782ae8a665257', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    'mo9ncXisMeAoXwqcV5EWuyncbmCcQN4rVs',
-    '53c0307d6851aa0ce7825ba883c6bd9ad242b486', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '2N2JD6wb56AfK4tfmM6PwdVmoYk2dCKf4Br',
-    '6349a418fc4578d10a372b54b45c280cc8c4382f', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '5Kd3NBUAdUnhyzenEwVLy9pBKxSwXvE9FMPyR4UKZvpe6E3AgLr',
-    'eddbdc1168f1daeadbd3e44c1e3f8f5a284c2029f78ad26af98583a499de5b19', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    'Kz6UJmQACJmLtaQj5A3JAge4kVTNQ8gbvXuwbmCj7bsaabudb3RD',
-    '55c9bccb9ed68446d1b75273bbce89d7fe013a8acd1625514420fb2aca1a21c4', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    '9213qJab2HNEpMpYNBa7wHGFKKbkDn24jpANDs2huN3yi4J11ko',
-    '36cb93b9ab1bdabf7fb9f2c04f1b9cc879933530ae7842398eef5a63a56800c2', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    'cTpB4YiyKiBcPxnefsDpbnDxFDffjqJob8wGCEDXxgQ7zQoMXJdH',
-    'b9f4892c9e8282028fea1d2667c4dc5213564d41fc5783896a0d843fc15089f3', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    '1Ax4gZtb7gAit2TivwejZHYtNNLT18PUXJ',
-    '6d23156cbbdcc82a5a47eee4c2c7c583c18b6bf4', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '3QjYXhTkvuj8qPaXHTTWb5wjXhdsLAAWVy',
-    'fcc5460dd6e2487c7d75b1963625da0e8f4c5975', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    'n3ZddxzLvAY9o7184TB4c6FJasAybsw4HZ',
-    'f1d470f9b02370fdec2e6b708b08ac431bf7a5f7', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n',
-    'c579342c2c4c9220205e2cdc285617040c924a0a', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '5K494XZwps2bGyeL71pWid4noiSNA2cfCibrvRWqcHSptoFn7rc',
-    'a326b95ebae30164217d7a7f57d72ab2b54e3be64928a19da0210b9568d4015e', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    'L1RrrnXkcKut5DEMwtDthjwRcTTwED36thyL1DebVrKuwvohjMNi',
-    '7d998b45c219a1e38e99e7cbd312ef67f77a455a9b50c730c27f02c6f730dfb4', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    '93DVKyFYwSN6wEo3E2fCrFPUp17FtrtNi2Lf7n4G3garFb16CRj',
-    'd6bca256b5abc5602ec2e1c121a08b0da2556587430bcf7e1898af2224885203', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    'cTDVKtMGVYWTHCb1AFjmVbEbWjvKpKqKgMaR3QJxToMSQAhmCeTN',
-    'a81ca4e8f90181ec4b61b6a7eb998af17b2cb04de8a03b504b9e34c4c61db7d9', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    '1C5bSj1iEGUgSTbziymG7Cn18ENQuT36vv',
-    '7987ccaa53d02c8873487ef919677cd3db7a6912', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '3AnNxabYGoTxYiTEZwFEnerUoeFXK2Zoks',
-    '63bcc565f9e68ee0189dd5cc67f1b0e5f02f45cb', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    'n3LnJXCqbPjghuVs8ph9CYsAe4Sh4j97wk',
-    'ef66444b5b17f14e8fae6e7e19b045a78c54fd79', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '2NB72XtkjpnATMggui83aEtPawyyKvnbX2o',
-    'c3e55fceceaa4391ed2a9677f4a4d34eacd021a0', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '5KaBW9vNtWNhc3ZEDyNCiXLPdVPHCikRxSBWwV9NrpLLa4LsXi9',
-    'e75d936d56377f432f404aabb406601f892fd49da90eb6ac558a733c93b47252', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    'L1axzbSyynNYA8mCAhzxkipKkfHtAXYF4YQnhSKcLV8YXA874fgT',
-    '8248bd0375f2f75d7e274ae544fb920f51784480866b102384190b1addfbaa5c', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    '927CnUkUbasYtDwYwVn2j8GdTuACNnKkjZ1rpZd2yBB1CLcnXpo',
-    '44c4f6a096eac5238291a94cc24c01e3b19b8d8cef72874a079e00a242237a52', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    'cUcfCMRjiQf85YMzzQEk9d1s5A4K7xL5SmBCLrezqXFuTVefyhY7',
-    'd1de707020a9059d6d3abaf85e17967c6555151143db13dbb06db78df0f15c69', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    '1Gqk4Tv79P91Cc1STQtU3s1W6277M2CVWu',
-    'adc1cc2081a27206fae25792f28bbc55b831549d', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '33vt8ViH5jsr115AGkW6cEmEz9MpvJSwDk',
-    '188f91a931947eddd7432d6e614387e32b244709', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    'mhaMcBxNh5cqXm4aTQ6EcVbKtfL6LGyK2H',
-    '1694f5bc1a7295b600f40018a618a6ea48eeb498', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '2MxgPqX1iThW3oZVk9KoFcE5M4JpiETssVN',
-    '3b9b3fd7a50d4f08d1a5b0f62f644fa7115ae2f3', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '5HtH6GdcwCJA4ggWEL1B3jzBBUB8HPiBi9SBc5h9i4Wk4PSeApR',
-    '091035445ef105fa1bb125eccfb1882f3fe69592265956ade751fd095033d8d0', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    'L2xSYmMeVo3Zek3ZTsv9xUrXVAmrWxJ8Ua4cw8pkfbQhcEFhkXT8',
-    'ab2b4bcdfc91d34dee0ae2a8c6b6668dadaeb3a88b9859743156f462325187af', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    '92xFEve1Z9N8Z641KQQS7ByCSb8kGjsDzw6fAmjHN1LZGKQXyMq',
-    'b4204389cef18bbe2b353623cbf93e8678fbc92a475b664ae98ed594e6cf0856', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    'cVM65tdYu1YK37tNoAyGoJTR13VBYFva1vg9FLuPAsJijGvG6NEA',
-    'e7b230133f1b5489843260236b06edca25f66adb1be455fbd38d4010d48faeef', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    '1JwMWBVLtiqtscbaRHai4pqHokhFCbtoB4',
-    'c4c1b72491ede1eedaca00618407ee0b772cad0d', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '3QCzvfL4ZRvmJFiWWBVwxfdaNBT8EtxB5y',
-    'f6fe69bcb548a829cce4c57bf6fff8af3a5981f9', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    'mizXiucXRCsEriQCHUkCqef9ph9qtPbZZ6',
-    '261f83568a098a8638844bd7aeca039d5f2352c0', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '2NEWDzHWwY5ZZp8CQWbB7ouNMLqCia6YRda',
-    'e930e1834a4d234702773951d627cce82fbb5d2e', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '5KQmDryMNDcisTzRp3zEq9e4awRmJrEVU1j5vFRTKpRNYPqYrMg',
-    'd1fab7ab7385ad26872237f1eb9789aa25cc986bacc695e07ac571d6cdac8bc0', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    'L39Fy7AC2Hhj95gh3Yb2AU5YHh1mQSAHgpNixvm27poizcJyLtUi',
-    'b0bbede33ef254e8376aceb1510253fc3550efd0fcf84dcd0c9998b288f166b3', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    '91cTVUcgydqyZLgaANpf1fvL55FH53QMm4BsnCADVNYuWuqdVys',
-    '037f4192c630f399d9271e26c575269b1d15be553ea1a7217f0cb8513cef41cb', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    'cQspfSzsgLeiJGB2u8vrAiWpCU4MxUT6JseWo2SjXy4Qbzn2fwDw',
-    '6251e205e8ad508bab5596bee086ef16cd4b239e0cc0c5d7c4e6035441e7d5de', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    '19dcawoKcZdQz365WpXWMhX6QCUpR9SY4r',
-    '5eadaf9bb7121f0f192561a5a62f5e5f54210292', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '37Sp6Rv3y4kVd1nQ1JV5pfqXccHNyZm1x3',
-    '3f210e7277c899c3a155cc1c90f4106cbddeec6e', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    'myoqcgYiehufrsnnkqdqbp69dddVDMopJu',
-    'c8a3c2a09a298592c3e180f02487cd91ba3400b5', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '2N7FuwuUuoTBrDFdrAZ9KxBmtqMLxce9i1C',
-    '99b31df7c9068d1481b596578ddbb4d3bd90baeb', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': true
-    }
-  ],
-  [
-    '5KL6zEaMtPRXZKo1bbMq7JDjjo1bJuQcsgL33je3oY8uSJCR5b4',
-    'c7666842503db6dc6ea061f092cfb9c388448629a6fe868d068c42a488b478ae', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    'KwV9KAfwbwt51veZWNscRTeZs9CKpojyu1MsPnaKTF5kz69H1UN2',
-    '07f0803fc5399e773555ab1e8939907e9badacc17ca129e67a2f5f2ff84351dd', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': false
-    }
-  ],
-  [
-    '93N87D6uxSBzwXvpokpzg8FFmfQPmvX4xHoWQe3pLdYpbiwT5YV',
-    'ea577acfb5d1d14d3b7b195c321566f12f87d2b77ea3a53f68df7ebf8604a801', {
-      'isCompressed': false,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    'cMxXusSihaX58wpJ3tNuuUcZEQGt6DKJ1wEpxys88FFaQCYjku9h',
-    '0b3b34f0958d8a268193a9814da92c3e8b58b4a4378a542863e34ac289cd830c', {
-      'isCompressed': true,
-      'isPrivkey': true,
-      'isTestnet': true
-    }
-  ],
-  [
-    '13p1ijLwsnrcuyqcTvJXkq2ASdXqcnEBLE',
-    '1ed467017f043e91ed4c44b4e8dd674db211c4e6', {
-      'addrType': 'pubkey',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ],
-  [
-    '3ALJH9Y951VCGcVZYAdpA3KchoP9McEj1G',
-    '5ece0cadddc415b1980f001785947120acdb36fc', {
-      'addrType': 'script',
-      'isPrivkey': false,
-      'isTestnet': false
-    }
-  ]
-];
-
-var dataInvalid = [
-  [
-    ''
-  ],
-  [
-    'x'
-  ],
-  [
-    '37qgekLpCCHrQuSjvX3fs496FWTGsHFHizjJAs6NPcR47aefnnCWECAhHV6E3g4YN7u7Yuwod5Y'
-  ],
-  [
-    'dzb7VV1Ui55BARxv7ATxAtCUeJsANKovDGWFVgpTbhq9gvPqP3yv'
-  ],
-  [
-    'MuNu7ZAEDFiHthiunm7dPjwKqrVNCM3mAz6rP9zFveQu14YA8CxExSJTHcVP9DErn6u84E6Ej7S'
-  ],
-  [
-    'rPpQpYknyNQ5AEHuY6H8ijJJrYc2nDKKk9jjmKEXsWzyAQcFGpDLU2Zvsmoi8JLR7hAwoy3RQWf'
-  ],
-  [
-    '4Uc3FmN6NQ6zLBK5QQBXRBUREaaHwCZYsGCueHauuDmJpZKn6jkEskMB2Zi2CNgtb5r6epWEFfUJq'
-  ],
-  [
-    '7aQgR5DFQ25vyXmqZAWmnVCjL3PkBcdVkBUpjrjMTcghHx3E8wb'
-  ],
-  [
-    '17QpPprjeg69fW1DV8DcYYCKvWjYhXvWkov6MJ1iTTvMFj6weAqW7wybZeH57WTNxXVCRH4veVs'
-  ],
-  [
-    'KxuACDviz8Xvpn1xAh9MfopySZNuyajYMZWz16Dv2mHHryznWUp3'
-  ],
-  [
-    '7nK3GSmqdXJQtdohvGfJ7KsSmn3TmGqExug49583bDAL91pVSGq5xS9SHoAYL3Wv3ijKTit65th'
-  ],
-  [
-    'cTivdBmq7bay3RFGEBBuNfMh2P1pDCgRYN2Wbxmgwr4ki3jNUL2va'
-  ],
-  [
-    'gjMV4vjNjyMrna4fsAr8bWxAbwtmMUBXJS3zL4NJt5qjozpbQLmAfK1uA3CquSqsZQMpoD1g2nk'
-  ],
-  [
-    'emXm1naBMoVzPjbk7xpeTVMFy4oDEe25UmoyGgKEB1gGWsK8kRGs'
-  ],
-  [
-    '7VThQnNRj1o3Zyvc7XHPRrjDf8j2oivPTeDXnRPYWeYGE4pXeRJDZgf28ppti5hsHWXS2GSobdqyo'
-  ],
-  [
-    '1G9u6oCVCPh2o8m3t55ACiYvG1y5BHewUkDSdiQarDcYXXhFHYdzMdYfUAhfxn5vNZBwpgUNpso'
-  ],
-  [
-    '31QQ7ZMLkScDiB4VyZjuptr7AEc9j1SjstF7pRoLhHTGkW4Q2y9XELobQmhhWxeRvqcukGd1XCq'
-  ],
-  [
-    'DHqKSnpxa8ZdQyH8keAhvLTrfkyBMQxqngcQA5N8LQ9KVt25kmGN'
-  ],
-  [
-    '2LUHcJPbwLCy9GLH1qXmfmAwvadWw4bp4PCpDfduLqV17s6iDcy1imUwhQJhAoNoN1XNmweiJP4i'
-  ],
-  [
-    '7USRzBXAnmck8fX9HmW7RAb4qt92VFX6soCnts9s74wxm4gguVhtG5of8fZGbNPJA83irHVY6bCos'
-  ],
-  [
-    '1DGezo7BfVebZxAbNT3XGujdeHyNNBF3vnficYoTSp4PfK2QaML9bHzAMxke3wdKdHYWmsMTJVu'
-  ],
-  [
-    '2D12DqDZKwCxxkzs1ZATJWvgJGhQ4cFi3WrizQ5zLAyhN5HxuAJ1yMYaJp8GuYsTLLxTAz6otCfb'
-  ],
-  [
-    '8AFJzuTujXjw1Z6M3fWhQ1ujDW7zsV4ePeVjVo7D1egERqSW9nZ'
-  ],
-  [
-    '163Q17qLbTCue8YY3AvjpUhotuaodLm2uqMhpYirsKjVqnxJRWTEoywMVY3NbBAHuhAJ2cF9GAZ'
-  ],
-  [
-    '2MnmgiRH4eGLyLc9eAqStzk7dFgBjFtUCtu'
-  ],
-  [
-    '461QQ2sYWxU7H2PV4oBwJGNch8XVTYYbZxU'
-  ],
-  [
-    '2UCtv53VttmQYkVU4VMtXB31REvQg4ABzs41AEKZ8UcB7DAfVzdkV9JDErwGwyj5AUHLkmgZeobs'
-  ],
-  [
-    'cSNjAsnhgtiFMi6MtfvgscMB2Cbhn2v1FUYfviJ1CdjfidvmeW6mn'
-  ],
-  [
-    'gmsow2Y6EWAFDFE1CE4Hd3Tpu2BvfmBfG1SXsuRARbnt1WjkZnFh1qGTiptWWbjsq2Q6qvpgJVj'
-  ],
-  [
-    'nksUKSkzS76v8EsSgozXGMoQFiCoCHzCVajFKAXqzK5on9ZJYVHMD5CKwgmX3S3c7M1U3xabUny'
-  ],
-  [
-    'L3favK1UzFGgdzYBF2oBT5tbayCo4vtVBLJhg2iYuMeePxWG8SQc'
-  ],
-  [
-    '7VxLxGGtYT6N99GdEfi6xz56xdQ8nP2dG1CavuXx7Rf2PrvNMTBNevjkfgs9JmkcGm6EXpj8ipyPZ'
-  ],
-  [
-    '2mbZwFXF6cxShaCo2czTRB62WTx9LxhTtpP'
-  ],
-  [
-    'dB7cwYdcPSgiyAwKWL3JwCVwSk6epU2txw'
-  ],
-  [
-    'HPhFUhUAh8ZQQisH8QQWafAxtQYju3SFTX'
-  ],
-  [
-    '4ctAH6AkHzq5ioiM1m9T3E2hiYEev5mTsB'
-  ],
-  [
-    'Hn1uFi4dNexWrqARpjMqgT6cX1UsNPuV3cHdGg9ExyXw8HTKadbktRDtdeVmY3M1BxJStiL4vjJ'
-  ],
-  [
-    'Sq3fDbvutABmnAHHExJDgPLQn44KnNC7UsXuT7KZecpaYDMU9Txs'
-  ],
-  [
-    '6TqWyrqdgUEYDQU1aChMuFMMEimHX44qHFzCUgGfqxGgZNMUVWJ'
-  ],
-  [
-    'giqJo7oWqFxNKWyrgcBxAVHXnjJ1t6cGoEffce5Y1y7u649Noj5wJ4mmiUAKEVVrYAGg2KPB3Y4'
-  ],
-  [
-    'cNzHY5e8vcmM3QVJUcjCyiKMYfeYvyueq5qCMV3kqcySoLyGLYUK'
-  ],
-  [
-    '37uTe568EYc9WLoHEd9jXEvUiWbq5LFLscNyqvAzLU5vBArUJA6eydkLmnMwJDjkL5kXc2VK7ig'
-  ],
-  [
-    'EsYbG4tWWWY45G31nox838qNdzksbPySWc'
-  ],
-  [
-    'nbuzhfwMoNzA3PaFnyLcRxE9bTJPDkjZ6Rf6Y6o2ckXZfzZzXBT'
-  ],
-  [
-    'cQN9PoxZeCWK1x56xnz6QYAsvR11XAce3Ehp3gMUdfSQ53Y2mPzx'
-  ],
-  [
-    '1Gm3N3rkef6iMbx4voBzaxtXcmmiMTqZPhcuAepRzYUJQW4qRpEnHvMojzof42hjFRf8PE2jPde'
-  ],
-  [
-    '2TAq2tuN6x6m233bpT7yqdYQPELdTDJn1eU'
-  ],
-  [
-    'ntEtnnGhqPii4joABvBtSEJG6BxjT2tUZqE8PcVYgk3RHpgxgHDCQxNbLJf7ardf1dDk2oCQ7Cf'
-  ],
-  [
-    'Ky1YjoZNgQ196HJV3HpdkecfhRBmRZdMJk89Hi5KGfpfPwS2bUbfd'
-  ],
-  [
-    '2A1q1YsMZowabbvta7kTy2Fd6qN4r5ZCeG3qLpvZBMzCixMUdkN2Y4dHB1wPsZAeVXUGD83MfRED'
-  ]
-];
-var dataValues = [
-  ['0', '0'],
-  ['1.0', '100000000'],
-  ['0.1', '10000000'],
-  ['.1', '10000000'],
-  ['0.0005', '50000']
-];
-
 describe('Valid base58 keys', function() {
-  dataValid.forEach(function(datum) {
+  test_data.dataValid.forEach(function(datum) {
     it('valid ' + datum[0], function() {
       is_valid(datum);
     });
@@ -679,7 +118,7 @@ describe('Valid base58 keys', function() {
 });
 
 describe('Invalid base58 keys', function() {
-  dataInvalid.forEach(function(datum) {
+  test_data.dataInvalid.forEach(function(datum) {
     it('invalid ' + datum, function() {
       is_invalid(datum);
     });
diff --git a/test/testdata.js b/test/testdata.js
new file mode 100644
index 0000000..ecbd663
--- /dev/null
+++ b/test/testdata.js
@@ -0,0 +1,9 @@
+
+
+var fs = require('fs');
+
+var dataValid = JSON.parse(fs.readFileSync('test/data/base58_keys_valid.json'));
+var dataInvalid = JSON.parse(fs.readFileSync('test/data/base58_keys_invalid.json'));
+
+module.exports.dataValid = dataValid;
+module.exports.dataInvalid = dataInvalid;