diff --git a/web3.js/.travis.yml b/web3.js/.travis.yml
index 9a799704e..628847a98 100644
--- a/web3.js/.travis.yml
+++ b/web3.js/.travis.yml
@@ -10,7 +10,7 @@ after_success: npm run coveralls
 before_deploy:
   - cp -r doc solanaWeb3Api-$TRAVIS_BRANCH
   - tar zcf solanaWeb3Api.tgz solanaWeb3Api-$TRAVIS_BRANCH
-  - cp lib/index.js solanaWeb3.min.js
+  - cp lib/index.iife.js solanaWeb3.min.js
 
 deploy:
   - provider: pages
diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 259b8f211..0f5831ff6 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -203,6 +203,23 @@
       "integrity": "sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4=",
       "dev": true
     },
+    "abstract-leveldown": {
+      "version": "0.12.4",
+      "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz",
+      "integrity": "sha1-KeGOYy5g5OIh1YECR4UqY9ey5BA=",
+      "dev": true,
+      "requires": {
+        "xtend": "3.0.0"
+      },
+      "dependencies": {
+        "xtend": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/xtend/-/xtend-3.0.0.tgz",
+          "integrity": "sha1-XM50B7r2Qsunvs2laBEcST9ZZlo=",
+          "dev": true
+        }
+      }
+    },
     "acorn": {
       "version": "5.5.3",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
@@ -662,6 +679,17 @@
       "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
       "dev": true
     },
+    "asn1.js": {
+      "version": "4.10.1",
+      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
+      "integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.1"
+      }
+    },
     "assert-plus": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
@@ -1621,6 +1649,7 @@
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+      "dev": true,
       "requires": {
         "core-js": "2.5.5",
         "regenerator-runtime": "0.11.1"
@@ -1751,6 +1780,7 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.4.tgz",
       "integrity": "sha512-UYOadoSIkEI/VrRGSG6qp93rp2WdokiAiNYDfGW5qURAY8GiAQkvMbwNNSDYiVJopqv4gCna7xqf4rrNGp+5AA==",
+      "dev": true,
       "requires": {
         "safe-buffer": "5.1.1"
       }
@@ -1800,12 +1830,53 @@
         "sliced": "1.0.1"
       }
     },
+    "bl": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-0.8.2.tgz",
+      "integrity": "sha1-yba8oI0bwuoA/Ir7Txpf0eHGbk4=",
+      "dev": true,
+      "requires": {
+        "readable-stream": "1.0.34"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "1.0.34",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "0.0.1",
+            "string_decoder": "0.10.31"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true
+        }
+      }
+    },
     "bluebird": {
       "version": "3.4.7",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.4.7.tgz",
       "integrity": "sha1-9y12C+Cbf3bQjtj66Ysomo0F+rM=",
       "dev": true
     },
+    "bn.js": {
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+      "dev": true
+    },
     "boolbase": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
@@ -1842,6 +1913,12 @@
         "repeat-element": "1.1.2"
       }
     },
+    "brorand": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+      "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
+      "dev": true
+    },
     "browser-process-hrtime": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz",
@@ -1865,6 +1942,87 @@
         }
       }
     },
+    "browserify-aes": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+      "integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
+      "dev": true,
+      "requires": {
+        "buffer-xor": "1.0.3",
+        "cipher-base": "1.0.4",
+        "create-hash": "1.2.0",
+        "evp_bytestokey": "1.0.3",
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.1"
+      }
+    },
+    "browserify-cipher": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/browserify-cipher/-/browserify-cipher-1.0.1.tgz",
+      "integrity": "sha512-sPhkz0ARKbf4rRQt2hTpAHqn47X3llLkUGn+xEJzLjwY8LRs2p0v7ljvI5EyoRO/mexrNunNECisZs+gw2zz1w==",
+      "dev": true,
+      "requires": {
+        "browserify-aes": "1.2.0",
+        "browserify-des": "1.0.2",
+        "evp_bytestokey": "1.0.3"
+      }
+    },
+    "browserify-des": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/browserify-des/-/browserify-des-1.0.2.tgz",
+      "integrity": "sha512-BioO1xf3hFwz4kc6iBhI3ieDFompMhrMlnDFC4/0/vd5MokpuAc3R+LYbwTA9A5Yc9pq9UYPqffKpW2ObuwX5A==",
+      "dev": true,
+      "requires": {
+        "cipher-base": "1.0.4",
+        "des.js": "1.0.0",
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "dev": true
+        }
+      }
+    },
+    "browserify-fs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/browserify-fs/-/browserify-fs-1.0.0.tgz",
+      "integrity": "sha1-8HWqinKdTRcW0GZiDjhvzBMRqW8=",
+      "dev": true,
+      "requires": {
+        "level-filesystem": "1.2.0",
+        "level-js": "2.2.4",
+        "levelup": "0.18.6"
+      }
+    },
+    "browserify-rsa": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
+      "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "randombytes": "2.0.6"
+      }
+    },
+    "browserify-sign": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
+      "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "browserify-rsa": "4.0.1",
+        "create-hash": "1.2.0",
+        "create-hmac": "1.1.7",
+        "elliptic": "6.4.1",
+        "inherits": "2.0.3",
+        "parse-asn1": "5.1.1"
+      }
+    },
     "browserslist": {
       "version": "2.11.3",
       "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-2.11.3.tgz",
@@ -1879,6 +2037,7 @@
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
       "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
+      "dev": true,
       "requires": {
         "base-x": "3.0.4"
       }
@@ -1892,6 +2051,12 @@
         "node-int64": "0.4.0"
       }
     },
+    "buffer-es6": {
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/buffer-es6/-/buffer-es6-4.9.3.tgz",
+      "integrity": "sha1-8mNHuC33b9N+GLy1KIxJcM/VxAQ=",
+      "dev": true
+    },
     "buffer-from": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.0.0.tgz",
@@ -1910,6 +2075,12 @@
       "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E=",
       "dev": true
     },
+    "buffer-xor": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
+      "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=",
+      "dev": true
+    },
     "buffers": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/buffers/-/buffers-0.1.1.tgz",
@@ -2056,6 +2227,16 @@
       "integrity": "sha512-SK/846h/Rcy8q9Z9CAwGBLfCJ6EkjJWdpelWDufQpqVDYq2Wnnv8zlSO6AMQap02jvhVruKKpEtQOufo3pFhLg==",
       "dev": true
     },
+    "cipher-base": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
+      "integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.1"
+      }
+    },
     "circular-json": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/circular-json/-/circular-json-0.3.3.tgz",
@@ -2127,6 +2308,12 @@
         }
       }
     },
+    "clone": {
+      "version": "0.1.19",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-0.1.19.tgz",
+      "integrity": "sha1-YT+2hjmyaklKxTJT4Vsaa9iK2oU=",
+      "dev": true
+    },
     "co": {
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       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
@@ -2242,7 +2429,8 @@
     "core-js": {
       "version": "2.5.5",
       "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.5.tgz",
-      "integrity": "sha1-sU3ek2xkDAV5prUMq8wTLdYSfjs="
+      "integrity": "sha1-sU3ek2xkDAV5prUMq8wTLdYSfjs=",
+      "dev": true
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -2271,6 +2459,43 @@
         }
       }
     },
+    "create-ecdh": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.3.tgz",
+      "integrity": "sha512-GbEHQPMOswGpKXM9kCWVrremUcBmjteUaQ01T9rkKCPDXfUHX0IoP9LpHYo2NPFampa4e+/pFDc3jQdxrxQLaw==",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "elliptic": "6.4.1"
+      }
+    },
+    "create-hash": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
+      "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
+      "dev": true,
+      "requires": {
+        "cipher-base": "1.0.4",
+        "inherits": "2.0.3",
+        "md5.js": "1.3.4",
+        "ripemd160": "2.0.2",
+        "sha.js": "2.4.11"
+      }
+    },
+    "create-hmac": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
+      "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
+      "dev": true,
+      "requires": {
+        "cipher-base": "1.0.4",
+        "create-hash": "1.2.0",
+        "inherits": "2.0.3",
+        "ripemd160": "2.0.2",
+        "safe-buffer": "5.1.1",
+        "sha.js": "2.4.11"
+      }
+    },
     "cross-env": {
       "version": "5.1.4",
       "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.1.4.tgz",
@@ -2318,6 +2543,25 @@
         }
       }
     },
+    "crypto-browserify": {
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
+      "integrity": "sha512-fz4spIh+znjO2VjL+IdhEpRJ3YN6sMzITSBijk6FK2UvTqruSQW+/cCZTSNsMiZNvUeq0CqurF+dAbyiGOY6Wg==",
+      "dev": true,
+      "requires": {
+        "browserify-cipher": "1.0.1",
+        "browserify-sign": "4.0.4",
+        "create-ecdh": "4.0.3",
+        "create-hash": "1.2.0",
+        "create-hmac": "1.1.7",
+        "diffie-hellman": "5.0.3",
+        "inherits": "2.0.3",
+        "pbkdf2": "3.0.16",
+        "public-encrypt": "4.0.2",
+        "randombytes": "2.0.6",
+        "randomfill": "1.0.4"
+      }
+    },
     "css-select": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
@@ -2433,6 +2677,15 @@
         }
       }
     },
+    "deferred-leveldown": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-0.2.0.tgz",
+      "integrity": "sha1-LO8fER4cV4cNi7uK8mUOWHzS9bQ=",
+      "dev": true,
+      "requires": {
+        "abstract-leveldown": "0.12.4"
+      }
+    },
     "deffy": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/deffy/-/deffy-2.2.2.tgz",
@@ -2534,6 +2787,16 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
+    "des.js": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/des.js/-/des.js-1.0.0.tgz",
+      "integrity": "sha1-wHTS4qpqipoH29YfmhXCzYPsjsw=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.1"
+      }
+    },
     "detect-indent": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",
@@ -2555,6 +2818,17 @@
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       "dev": true
     },
+    "diffie-hellman": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
+      "integrity": "sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "miller-rabin": "4.0.1",
+        "randombytes": "2.0.6"
+      }
+    },
     "discontinuous-range": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/discontinuous-range/-/discontinuous-range-1.0.0.tgz",
@@ -2653,6 +2927,21 @@
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       "dev": true
     },
+    "elliptic": {
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
+      "integrity": "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "brorand": "1.1.0",
+        "hash.js": "1.1.5",
+        "hmac-drbg": "1.0.1",
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.1",
+        "minimalistic-crypto-utils": "1.0.1"
+      }
+    },
     "emoji-regex": {
       "version": "6.5.1",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-6.5.1.tgz",
@@ -2689,6 +2978,15 @@
         "rst-selector-parser": "2.2.3"
       }
     },
+    "errno": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.7.tgz",
+      "integrity": "sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==",
+      "dev": true,
+      "requires": {
+        "prr": "1.0.1"
+      }
+    },
     "error-ex": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.1.tgz",
@@ -3372,6 +3670,16 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
+    "evp_bytestokey": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz",
+      "integrity": "sha512-/f2Go4TognH/KvCISP7OUsHn85hT9nUkxxA9BEWxFn+Oj9o8ZNLm/40hdlgSLyuOimsrTKLUMEorQexp/aPQeA==",
+      "dev": true,
+      "requires": {
+        "md5.js": "1.3.4",
+        "safe-buffer": "5.1.1"
+      }
+    },
     "exec-sh": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/exec-sh/-/exec-sh-0.2.1.tgz",
@@ -4453,6 +4761,41 @@
       "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
       "dev": true
     },
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+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz",
+      "integrity": "sha512-4kJ5Esocg8X3h8YgJsKAuoesBgB7mqH3eowiDzMUPKiRDDE7E/BqqZD1hnTByIaAFiwAw246YEltSq7tdrOH0Q==",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "browserify-rsa": "4.0.1",
+        "create-hash": "1.2.0",
+        "parse-asn1": "5.1.1",
+        "randombytes": "2.0.6"
+      }
+    },
     "punycode": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
@@ -7560,6 +8271,25 @@
         }
       }
     },
+    "randombytes": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.0.6.tgz",
+      "integrity": "sha512-CIQ5OFxf4Jou6uOKe9t1AOgqpeU5fd70A8NPdHSGeYXqXsPe6peOwI0cUl88RWZ6sP1vPMV3avd/R6cZ5/sP1A==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
+    "randomfill": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/randomfill/-/randomfill-1.0.4.tgz",
+      "integrity": "sha512-87lcbR8+MhcWcUiQ+9e+Rwx8MyR2P7qnt15ynUlbm3TU/fjbgz4GsvfSUDTemtCCtVCqb4ZcEFlyPNTh9bBTLw==",
+      "dev": true,
+      "requires": {
+        "randombytes": "2.0.6",
+        "safe-buffer": "5.1.1"
+      }
+    },
     "read-dir-and-stat": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/read-dir-and-stat/-/read-dir-and-stat-1.0.6.tgz",
@@ -7624,7 +8354,8 @@
     "regenerator-runtime": {
       "version": "0.11.1",
       "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
-      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
+      "dev": true
     },
     "regenerator-transform": {
       "version": "0.10.1",
@@ -7880,6 +8611,16 @@
         "glob": "7.1.2"
       }
     },
+    "ripemd160": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
+      "integrity": "sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==",
+      "dev": true,
+      "requires": {
+        "hash-base": "3.0.4",
+        "inherits": "2.0.3"
+      }
+    },
     "rollup": {
       "version": "0.58.1",
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.58.1.tgz",
@@ -7937,6 +8678,77 @@
         }
       }
     },
+    "rollup-plugin-json": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-json/-/rollup-plugin-json-3.0.0.tgz",
+      "integrity": "sha512-WUAV9/I/uFWvHhyRTqFb+3SIapjISFJS7R1xN/cXxWESrfYo9I8ncHI7AxJHflKRXhBVSv7revBVJh2wvhWh5w==",
+      "dev": true,
+      "requires": {
+        "rollup-pluginutils": "2.3.1"
+      },
+      "dependencies": {
+        "estree-walker": {
+          "version": "0.5.2",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.5.2.tgz",
+          "integrity": "sha512-XpCnW/AE10ws/kDAs37cngSkvgIR8aN3G0MS85m7dUpuK2EREo9VJ00uvw6Dg/hXEpfsE1I1TvJOJr+Z+TL+ig==",
+          "dev": true
+        },
+        "rollup-pluginutils": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-2.3.1.tgz",
+          "integrity": "sha512-JZS8aJMHEHhqmY2QVPMXwKP6lsD1ShkrcGYjhAIvqKKdXQyPHw/9NF0tl3On/xOJ4ACkxfeG7AF+chfCN1NpBg==",
+          "dev": true,
+          "requires": {
+            "estree-walker": "0.5.2",
+            "micromatch": "2.3.11"
+          }
+        }
+      }
+    },
+    "rollup-plugin-node-builtins": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-node-builtins/-/rollup-plugin-node-builtins-2.1.2.tgz",
+      "integrity": "sha1-JKH+1KQyV7a2Q3HYq8bOGrFFl+k=",
+      "dev": true,
+      "requires": {
+        "browserify-fs": "1.0.0",
+        "buffer-es6": "4.9.3",
+        "crypto-browserify": "3.12.0",
+        "process-es6": "0.11.6"
+      }
+    },
+    "rollup-plugin-node-globals": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-node-globals/-/rollup-plugin-node-globals-1.2.1.tgz",
+      "integrity": "sha512-PZgkJkVLWZRdwx33GaAeD92UjmvCM7kM9i/8wgoe9hN901RrjVs8eVjg5DzQ+2kGZSiqyx0aiIunLnOOCWshWQ==",
+      "dev": true,
+      "requires": {
+        "acorn": "5.5.3",
+        "buffer-es6": "4.9.3",
+        "estree-walker": "0.5.2",
+        "magic-string": "0.22.5",
+        "process-es6": "0.11.6",
+        "rollup-pluginutils": "2.3.1"
+      },
+      "dependencies": {
+        "estree-walker": {
+          "version": "0.5.2",
+          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.5.2.tgz",
+          "integrity": "sha512-XpCnW/AE10ws/kDAs37cngSkvgIR8aN3G0MS85m7dUpuK2EREo9VJ00uvw6Dg/hXEpfsE1I1TvJOJr+Z+TL+ig==",
+          "dev": true
+        },
+        "rollup-pluginutils": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-2.3.1.tgz",
+          "integrity": "sha512-JZS8aJMHEHhqmY2QVPMXwKP6lsD1ShkrcGYjhAIvqKKdXQyPHw/9NF0tl3On/xOJ4ACkxfeG7AF+chfCN1NpBg==",
+          "dev": true,
+          "requires": {
+            "estree-walker": "0.5.2",
+            "micromatch": "2.3.11"
+          }
+        }
+      }
+    },
     "rollup-plugin-node-resolve": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.3.0.tgz",
@@ -8065,7 +8877,8 @@
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
-      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
+      "dev": true
     },
     "safe-regex": {
       "version": "1.1.0",
@@ -8457,6 +9270,16 @@
       "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=",
       "dev": true
     },
+    "sha.js": {
+      "version": "2.4.11",
+      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
+      "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "safe-buffer": "5.1.1"
+      }
+    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@@ -8788,6 +9611,12 @@
         }
       }
     },
+    "string-range": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/string-range/-/string-range-1.2.2.tgz",
+      "integrity": "sha1-qJPtNH5yKZvIO++78qaSqNI51d0=",
+      "dev": true
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -9425,7 +10254,8 @@
     "tweetnacl": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.0.tgz",
-      "integrity": "sha1-cT2LgY2kIGh0C/aDhtBHnmb8ins="
+      "integrity": "sha1-cT2LgY2kIGh0C/aDhtBHnmb8ins=",
+      "dev": true
     },
     "type-check": {
       "version": "0.3.2",
@@ -9442,6 +10272,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "typedarray-to-buffer": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-1.0.4.tgz",
+      "integrity": "sha1-m7i6DoQfs/TPH+fCRenz+opf6Zw=",
+      "dev": true
+    },
     "typpy": {
       "version": "2.3.10",
       "resolved": "https://registry.npmjs.org/typpy/-/typpy-2.3.10.tgz",
@@ -9923,6 +10759,12 @@
       "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
       "dev": true
     },
+    "xtend": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.2.0.tgz",
+      "integrity": "sha1-7vax8ZjByN6vrYsXZaBNrUoBxak=",
+      "dev": true
+    },
     "y18n": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
diff --git a/web3.js/package.json b/web3.js/package.json
index 4a5805b6c..5eca59add 100644
--- a/web3.js/package.json
+++ b/web3.js/package.json
@@ -19,11 +19,13 @@
   "publishConfig": {
     "access": "public"
   },
-  "main": "lib/index.js",
+  "main": "lib/index.umd.js",
+  "module": "lib/index.esm.js",
+  "browser": "lib/index.iife.js",
   "scripts": {
     "clean": "rimraf ./coverage ./lib",
-    "dev": "cross-env NODE_ENV=development rollup -c -o lib/index.js",
-    "build": "cross-env NODE_ENV=production rollup -c -o lib/index.js",
+    "dev": "cross-env NODE_ENV=development rollup -c",
+    "build": "cross-env NODE_ENV=production rollup -c",
     "doc": "esdoc",
     "doc:watch": "watch 'npm run doc' . --wait=1 --ignoreDirectoryPattern=/doc/",
     "test": "cross-env NODE_ENV=test jest",
@@ -32,14 +34,10 @@
     "coveralls": "npm run test:cover && cat ./coverage/lcov.info | coveralls",
     "flow": "flow",
     "flow-typed": "npm run clean && flow-typed install --overwrite || true",
-    "lint": "eslint src",
+    "lint": "eslint src examples",
     "prepublish": "npm run clean && npm run test && npm run flow && npm run lint && npm run doc && npm run build"
   },
-  "dependencies": {
-    "babel-runtime": "^6.26.0",
-    "bs58": "^4.0.1",
-    "tweetnacl": "^1.0.0"
-  },
+  "dependencies": {},
   "devDependencies": {
     "babel-core": "6.26.0",
     "babel-eslint": "8.2.3",
@@ -48,6 +46,8 @@
     "babel-preset-env": "1.6.1",
     "babel-preset-flow": "6.23.0",
     "babel-preset-stage-0": "6.24.1",
+    "babel-runtime": "^6.26.0",
+    "bs58": "^4.0.1",
     "coveralls": "3.0.0",
     "cross-env": "5.1.4",
     "enzyme": "3.3.0",
@@ -68,9 +68,13 @@
     "rollup": "0.58.1",
     "rollup-plugin-babel": "3.0.3",
     "rollup-plugin-commonjs": "9.1.0",
+    "rollup-plugin-json": "^3.0.0",
+    "rollup-plugin-node-builtins": "^2.1.2",
+    "rollup-plugin-node-globals": "^1.2.1",
     "rollup-plugin-node-resolve": "3.3.0",
     "rollup-plugin-replace": "2.0.0",
     "rollup-plugin-uglify": "3.0.0",
+    "tweetnacl": "^1.0.0",
     "watch": "^1.0.2"
   }
 }
diff --git a/web3.js/rollup.config.js b/web3.js/rollup.config.js
index e839d6020..c976bb4c1 100644
--- a/web3.js/rollup.config.js
+++ b/web3.js/rollup.config.js
@@ -1,42 +1,76 @@
 import babel       from 'rollup-plugin-babel';
+import builtins    from 'rollup-plugin-node-builtins';
 import commonjs    from 'rollup-plugin-commonjs';
+import globals     from 'rollup-plugin-node-globals';
+import json        from 'rollup-plugin-json';
 import nodeResolve from 'rollup-plugin-node-resolve';
 import replace     from 'rollup-plugin-replace';
 import uglify      from 'rollup-plugin-uglify';
 
 const env = process.env.NODE_ENV;
 
-const config = {
-  input: 'src/index.js',
-  output: {
-    format: 'umd',
-    name: 'solanaWeb3',
-  },
+function generateConfig(configType) {
+  const config = {
+    input: 'src/index.js',
+    plugins: [
+      nodeResolve(),
+      babel({
+        exclude: '**/node_modules/**',
+        runtimeHelpers: true,
+      }),
+      replace({
+        'process.env.NODE_ENV': JSON.stringify(env),
+      }),
+      commonjs(),
+    ],
+  };
 
-  plugins: [
-    nodeResolve(),
-    babel({
-      exclude: '**/node_modules/**',
-      runtimeHelpers: true,
-    }),
-    replace({
-      'process.env.NODE_ENV': JSON.stringify(env),
-    }),
-    commonjs(),
-  ],
-};
+  if (env === 'production') {
+    config.plugins.push(
+      uglify({
+        compress: {
+          pure_getters: true,
+          unsafe: true,
+          unsafe_comps: true,
+          warnings: false,
+        },
+      }),
+    );
+  }
 
-if (env === 'production') {
-  config.plugins.push(
-    uglify({
-      compress: {
-        pure_getters: true,
-        unsafe: true,
-        unsafe_comps: true,
-        warnings: false,
+  switch (configType) {
+  case 'browser':
+    config.output = [
+      {
+        file: 'lib/index.iife.js',
+        format: 'iife',
+        name: 'solanaWeb3',
       },
-    }),
-  );
+    ];
+    config.plugins.unshift(json());
+    config.plugins.push(builtins());
+    config.plugins.push(globals());
+    break;
+  case 'node':
+    config.output = [
+      {
+        file: 'lib/index.cjs.js',
+        format: 'cjs',
+      },
+      {
+        file: 'lib/index.esm.js',
+        format: 'es',
+      },
+    ];
+    break;
+  default:
+    throw new Error(`Unknown configType: ${configType}`);
+  }
+
+  return config;
 }
 
-export default config;
+export default [
+  generateConfig('node'),
+  generateConfig('browser'),
+];