diff --git a/package-lock.json b/package-lock.json
index 0992f62..14dafb7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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+  "version": "2.0.4",
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@@ -372,7 +372,7 @@
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-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
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@@ -591,7 +591,7 @@
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-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
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@@ -906,7 +906,7 @@
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-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
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@@ -1818,6 +1818,75 @@
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+      "resolved": "https://registry.npmjs.org/@vechain/ethers/-/ethers-4.0.27-5.tgz",
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+        "hash.js": {
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+          "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.3.tgz",
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+          "requires": {
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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+          "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.4.tgz",
+          "integrity": "sha1-IOgd5iLUoCWIzgyNqJc8vPHTE48="
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+          "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w="
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@@ -2528,7 +2597,7 @@
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@@ -2561,12 +2630,9 @@
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-      "requires": {
-        "lodash": "^4.17.10"
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+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
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@@ -2697,7 +2763,7 @@
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@@ -3365,6 +3431,14 @@
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+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
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@@ -3434,9 +3508,12 @@
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+      "version": "1.5.0",
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+      "requires": {
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@@ -3468,9 +3545,9 @@
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-      "integrity": "sha1-ad+S75U6qIylGjLfarHFShVfx6U="
+      "version": "1.2.1",
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-      "integrity": "sha1-VZCNWPGYKrogCPob7Y+RmYopv40="
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+      "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
+      "requires": {
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+      "resolved": "https://registry.npmjs.org/bs58check/-/bs58check-2.1.2.tgz",
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+        "create-hash": "^1.1.0",
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@@ -5080,7 +5161,7 @@
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@@ -5939,7 +6020,7 @@
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@@ -8033,7 +8114,7 @@
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       "integrity": "sha1-LdvqfHP/42No365J3DOMBYwritY="
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@@ -8632,12 +8719,14 @@
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@@ -8652,17 +8741,20 @@
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@@ -8779,7 +8871,8 @@
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@@ -9068,6 +9170,7 @@
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@@ -9111,12 +9214,14 @@
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@@ -10146,6 +10251,21 @@
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+          "dev": true,
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-      "integrity": "sha512-b5AEDjjhOLR4q47Hbzf65zYE+7U7JgCgrUb13RU4HMIGoMb1q4DXaJw1UH8VVHCZulevl2QBjpCyrntecMqqCQ==",
+      "version": "1.0.0-beta.34",
+      "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.34.tgz",
+      "integrity": "sha1-mvRYYFhnzPdOqXmq8yazi6alugw=",
       "requires": {
         "bn.js": "4.11.6",
-        "web3-utils": "1.0.0-beta.36"
+        "web3-utils": "1.0.0-beta.34"
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       "dependencies": {
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@@ -24004,9 +24218,9 @@
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         },
         "web3-utils": {
-          "version": "1.0.0-beta.36",
-          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.36.tgz",
-          "integrity": "sha512-7ri74lG5fS2Th0fhYvTtiEHMB1Pmf2p7dQx1COQ3OHNI/CHNEMjzoNMEbBU6FAENrywfoFur40K4m0AOmEUq5A==",
+          "version": "1.0.0-beta.34",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.34.tgz",
+          "integrity": "sha1-lBH8OarvOcpOBhafdiKX2f8CCXA=",
           "requires": {
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@@ -24153,6 +24367,14 @@
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           "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
         },
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
         "web3-core-helpers": {
           "version": "1.0.0-beta.37",
           "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.37.tgz",
@@ -24171,6 +24393,16 @@
             "bn.js": "4.11.6",
             "web3-utils": "1.0.0-beta.37"
           }
+        },
+        "websocket": {
+          "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+          "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+          "requires": {
+            "debug": "^2.2.0",
+            "nan": "^2.3.3",
+            "typedarray-to-buffer": "^3.1.2",
+            "yaeti": "^0.0.6"
+          }
         }
       }
     },
@@ -24445,7 +24677,7 @@
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         "http-proxy-middleware": {
           "version": "0.18.0",
-          "resolved": "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz",
+          "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz",
           "integrity": "sha512-Fs25KVMPAIIcgjMZkVHJoKg9VcXcC1C8yb9JUgeDvVXY0S/zgVIhMb+qVswDIgtJe2DfckMSY2d6TuTEutlk6Q==",
           "dev": true,
           "requires": {
@@ -24658,26 +24890,6 @@
         }
       }
     },
-    "websocket": {
-      "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-      "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
-      "requires": {
-        "debug": "^2.2.0",
-        "nan": "^2.3.3",
-        "typedarray-to-buffer": "^3.1.2",
-        "yaeti": "^0.0.6"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        }
-      }
-    },
     "websocket-driver": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.0.tgz",
@@ -24705,7 +24917,7 @@
     },
     "whatwg-fetch": {
       "version": "2.0.4",
-      "resolved": "http://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
       "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==",
       "dev": true
     },
@@ -24803,7 +25015,7 @@
       "dependencies": {
         "async": {
           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
           "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k="
         }
       }
diff --git a/package.json b/package.json
index 3790f8d..896e9bb 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "@material-ui/icons": "^3.0.1",
     "@types/enzyme": "^3.1.14",
     "@types/enzyme-adapter-react-16": "^1.0.3",
-    "async": "^2.6.0",
+    "async": "^3.2.2",
     "axios": "^0.18.0",
     "bignumber.js": "^8.0.1",
     "bip39": "^2.5.0",