diff --git a/app/components/add-contributor/component.js b/app/components/add-contributor/component.js
index 118aba3..346135a 100644
--- a/app/components/add-contributor/component.js
+++ b/app/components/add-contributor/component.js
@@ -8,6 +8,7 @@ import { isAddress } from 'web3-utils';
 export default Component.extend({
 
   kredits: service(),
+  router: service(),
 
   attributes: null,
 
@@ -21,6 +22,7 @@ export default Component.extend({
   isValidGithubUsername: notEmpty('github_username'),
   isValidGiteaUsername: notEmpty('gitea_username'),
   isValidWikiUsername: notEmpty('wiki_username'),
+  isValidZoomDisplayName: notEmpty('zoom_display_name'),
 
   isValid: and(
     'isValidAccount',
@@ -47,7 +49,8 @@ export default Component.extend({
       github_username: null,
       github_uid: null,
       gitea_username: null,
-      wiki_username: null
+      wiki_username: null,
+      zoom_display_name: null
     });
   },
 
@@ -75,6 +78,7 @@ export default Component.extend({
         window.alert('Something went wrong. Please check the browser console.');
       }).finally(() => {
         this.set('inProgress', false);
+        this.router.transitionTo('dashboard');
       });
     }
 
diff --git a/app/components/add-contributor/template.hbs b/app/components/add-contributor/template.hbs
index ccb34e3..8eceeee 100644
--- a/app/components/add-contributor/template.hbs
+++ b/app/components/add-contributor/template.hbs
@@ -43,6 +43,11 @@
     {{input name="wiki_username" type="text" value=wiki_username placeholder="ZeroCool"
             class=(if isValidWikiUsername "valid" "") id="c-wiki-username"}}
   </p>
+  <p>
+    <label for="c-zoom-display-name">Zoom display name</label>
+    {{input name="zoom_display_name" type="text" value=zoom_display_name placeholder="Zero Cool"
+            class=(if isValidZoomDisplayName "valid" "") id="c-zoom-display-name"}}
+  </p>
   <p class="actions">
     {{input type="submit" disabled=inProgress
             value=(if inProgress "Processing" "Save")}}
diff --git a/app/components/external-account-link/component.js b/app/components/external-account-link/component.js
index a0c6c71..ecbb294 100644
--- a/app/components/external-account-link/component.js
+++ b/app/components/external-account-link/component.js
@@ -6,7 +6,7 @@ export default Component.extend({
   account: null,
 
   iconComponentName: computed('account.site', function() {
-    if (this.account.site.match(/github|gitea|wiki/)) {
+    if (this.account.site.match(/github|gitea|wiki|zoom/)) {
       return 'icon-account-' + this.account.site.replace(/\./g, '-');
     } else {
       return 'icon-web-globe';
diff --git a/app/components/icon-account-github-com/template.hbs b/app/components/icon-account-github-com/template.hbs
index 85d6c45..2c2336e 100644
--- a/app/components/icon-account-github-com/template.hbs
+++ b/app/components/icon-account-github-com/template.hbs
@@ -1,4 +1,4 @@
-<svg id="svg825" class="icon-github" width="260" height="260" enable-background="new 0 0 212.4575 186.23" version="1.1" viewBox="0 0 260 260" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+<svg class="icon-github" width="260" height="260" enable-background="new 0 0 212.4575 186.23" version="1.1" viewBox="0 0 260 260" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
   <g transform="translate(23.766 36.885)">
     <path d="m151.79 86.234c-7.078 0.1229-14.154 0.5605-21.232 0.7069-12.318 0.248-24.64 0.5664-36.961 0.512-11.176-0.0472-22.358-0.9728-33.518-0.7052-7.3164 0.1776-14.373 2.2948-20.131 7.584-9.9472 9.1368-12.522 21-11.314 33.807 1.92 20.357 9.2716 31.449 29.115 37.064 15.793 4.4704 31.963 5.2088 48.199 4.9744 5.254 0 10.51 0.1367 15.758-0.0292 12.723-0.4064 25.264-2.2072 37.358-6.3596 10.846-3.7225 18.799-10.691 22.572-22.166 2.6736-8.1288 3.7148-16.388 2.5544-24.853-1.7772-12.959-13.275-30.86-32.4-30.535zm-81.576 59.996c-8.836 0-16-8.9551-16-20 0-11.045 7.164-20 16-20s16 8.9553 16 20c0 11.045-7.164 20-16 20zm76 0c-8.836 0-16-8.9551-16-20 0-11.045 7.164-20 16-20s16 8.9553 16 20c0 11.045-7.164 20-16 20z" fill="none"/>
     <path class="fg" d="m200.25 59.188c-2.5076-3.4493-4.3632-6.3888-3.8748-11.44 0.6796-7.0664-0.3536-14.396-1.3204-21.518-1.2188-8.9843-3.5236-17.74-7.1776-26.23-9.0332 1.9356-17.981 3.49-25.963 8.0976-8.4648 4.8908-16.695 10.215-25.08 15.25-0.9532 0.5704-2.3124 0.8848-3.3848 0.7032-17.967-3.1368-35.92-3.0196-53.898-0.086-1.3632 0.2244-3.0724-0.2345-4.2948-0.9608-4.4436-2.6604-8.6564-5.7344-13.123-8.3516-11.656-6.844-23.66-12.822-37.494-14.59-0.3928 0.8597-0.7188 1.4785-0.9612 2.1253-4.164 11.22-6.6424 22.844-7.4276 34.82-0.2872 4.3516-0.6092 8.8048 0 13.072 0.3456 2.4296-4e-3 3.8788-1.3924 5.6132-4.8516 6.0488-8.6368 12.717-11.102 20.219-4.6972 14.295-4.4004 28.861-2.2756 43.475 1.7268 11.974 4.7344 23.537 11.324 33.873 13.186 20.682 32.892 29.774 55.572 31.705 19.308 1.6464 38.8 1.1992 58.213 1.2364 13.855 0.0251 27.57-1.4924 40.715-6.6389 20.375-7.9727 33.859-22.604 40.275-44.166 3.7344-12.545 5.2324-25.396 4.8144-38.498-0.4412-13.81-4.0504-26.566-12.144-37.711zm-18.609 82.435c-3.7736 11.475-11.727 18.444-22.572 22.166-12.094 4.1524-24.635 5.9532-37.358 6.3596-5.248 0.1659-10.504 0.0292-15.758 0.0292-16.236 0.2344-32.406-0.504-48.199-4.9744-19.844-5.6152-27.195-16.707-29.115-37.064-1.2072-12.807 1.3672-24.67 11.314-33.807 5.7576-5.2892 12.814-7.4064 20.131-7.584 11.16-0.2676 22.342 0.658 33.518 0.7052 12.32 0.0544 24.642-0.264 36.961-0.512 7.0784-0.1464 14.154-0.584 21.232-0.7069 19.125-0.3243 30.623 17.576 32.4 30.535 1.1604 8.4647 0.1192 16.724-2.5544 24.853z"/>
diff --git a/app/components/icon-account-zoom-us/component.js b/app/components/icon-account-zoom-us/component.js
new file mode 100644
index 0000000..6858137
--- /dev/null
+++ b/app/components/icon-account-zoom-us/component.js
@@ -0,0 +1,5 @@
+import Component from '@ember/component';
+
+export default Component.extend({
+  tagName: ""
+});
diff --git a/app/components/icon-account-zoom-us/template.hbs b/app/components/icon-account-zoom-us/template.hbs
new file mode 100644
index 0000000..a0622f8
--- /dev/null
+++ b/app/components/icon-account-zoom-us/template.hbs
@@ -0,0 +1,8 @@
+<svg width="256" height="256" version="1.1" viewBox="0 0 67.733 67.733" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+  <g transform="translate(0 -229.27)">
+    <g transform="matrix(.90278 0 0 .90278 6.5684 141.05)" fill-rule="evenodd">
+      <path class="fg" d="m32.67 117.1c2.2056 0.1405 3.0528 0.27041 4.1992 0.64479 3.9359 1.2854 6.7418 4.6736 7.3059 8.8223 0.06615 0.48578 0.13996 1.0253 0.16431 1.1986 0.29104 2.0743 0.07488 21.552-0.25003 22.55-0.59082 1.814-1.901 2.7993-4.0537 3.0488-1.3671 0.15849-30.564 0.0701-31.846-0.0963-5.2843-0.68659-8.8934-4.001-9.7398-8.9445-0.38418-2.2439-0.62362-20.748-0.29871-23.084 0.34422-2.4746 1.7264-3.797 4.3212-4.1338 0.98769-0.12832 28.191-0.13361 30.197-6e-3"/>
+      <path class="fg" d="m61.114 118.11c0.56621 0.4072 0.97816 1.0565 1.1885 1.874 0.19553 0.75909 0.24474 28.04 0.05371 29.747-0.37333 3.3361-2.6305 4.0137-5.5264 1.6584-7.9722-6.4841-9.021-7.5734-9.6795-10.052-0.26008-0.97895-0.33152-10.629-0.08811-11.876 0.38021-1.9457 1.2594-3.1946 3.7383-5.3099 7.4491-6.3564 7.5914-6.4569 9.0522-6.4008 0.70723 0.0272 0.8599 0.0709 1.2613 0.3593"/>
+    </g>
+  </g>
+</svg>
diff --git a/app/controllers/contributors/edit.js b/app/controllers/contributors/edit.js
index 5e42802..f70e03f 100644
--- a/app/controllers/contributors/edit.js
+++ b/app/controllers/contributors/edit.js
@@ -8,9 +8,7 @@ export default Controller.extend({
   actions: {
 
     save (attributes) {
-      return this.kredits
-                 .updateContributor(this.model.id, attributes)
-                 .then(() => this.transitionToRoute('index'))
+      return this.kredits.updateContributor(this.model.id, attributes);
     }
 
   }
diff --git a/app/controllers/contributors/new.js b/app/controllers/contributors/new.js
index 5bc88f0..4f08aef 100644
--- a/app/controllers/contributors/new.js
+++ b/app/controllers/contributors/new.js
@@ -8,9 +8,7 @@ export default Controller.extend({
   actions: {
 
     save (contributor) {
-      return this.kredits
-                 .addContributor(contributor)
-                 .then(() => this.transitionToRoute('index'))
+      return this.kredits.addContributor(contributor);
     }
 
   }
diff --git a/app/controllers/dashboard/contributors/show.js b/app/controllers/dashboard/contributors/show.js
index 4c9909e..ebd0b1e 100644
--- a/app/controllers/dashboard/contributors/show.js
+++ b/app/controllers/dashboard/contributors/show.js
@@ -1,5 +1,6 @@
 import Controller from '@ember/controller';
 import { computed } from '@ember/object';
+import config from 'kredits-web/config/environment';
 
 export default Controller.extend({
 
@@ -7,6 +8,10 @@ export default Controller.extend({
     if (this.model.isCore) return 'Core Contributor';
     if (this.model.totalKreditsEarned <= 5000) return 'Newcomer';
     return 'Contributor';
-  })
+  }),
+
+  ipfsGatewayUrl: computed(function() {
+    return config.ipfs.gatewayUrl;
+  }).volatile()
 
 });
diff --git a/app/models/contributor.js b/app/models/contributor.js
index 5d5b95d..76baf08 100644
--- a/app/models/contributor.js
+++ b/app/models/contributor.js
@@ -19,6 +19,7 @@ export default EmberObject.extend({
   github_username: null,
   github_uid: null,
   wiki_username: null,
+  zoom_display_name: null,
   ipfsData: ''
 
 });
diff --git a/app/routes/contributors/edit.js b/app/routes/contributors/edit.js
index 5b5f212..3a3d4f1 100644
--- a/app/routes/contributors/edit.js
+++ b/app/routes/contributors/edit.js
@@ -22,7 +22,8 @@ export default Route.extend({
       github_username: model.github_username,
       github_uid: model.github_uid,
       gitea_username: model.gitea_username,
-      wiki_username: model.wiki_username
+      wiki_username: model.wiki_username,
+      zoom_display_name: model.zoom_display_name
     });
   }
 
diff --git a/app/templates/dashboard/contributors/show.hbs b/app/templates/dashboard/contributors/show.hbs
index 8005793..07fdad8 100644
--- a/app/templates/dashboard/contributors/show.hbs
+++ b/app/templates/dashboard/contributors/show.hbs
@@ -28,7 +28,7 @@
     <p>
       <a href="https://rinkeby.etherscan.io/address/{{model.account}}" class="button small" target="_blank" rel="noopener">Inspect Ethereum transactions</a>
       {{#if model.ipfsHash}}
-        <a href="https://ipfs.io/ipfs/{{model.ipfsHash}}" class="button small" target="_blank" rel="noopener">Inspect IPFS profile</a>
+        <a href="{{ipfsGatewayUrl}}/{{model.ipfsHash}}" class="button small" target="_blank" rel="noopener">Inspect IPFS profile</a>
       {{/if}}
       {{link-to "Edit profile" "contributors.edit" model class="button small"}}
     </p>
diff --git a/package-lock.json b/package-lock.json
index 9210193..076fa42 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2976,9 +2976,9 @@
       }
     },
     "base-x": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.5.tgz",
-      "integrity": "sha512-C3picSgzPSLE+jW3tcBzJoGwitOtazb5B+5YmAxZm2ybmTi9LNgAtDO/jjVEBZwHoXmDBZ9m/IELj3elJVRBcA==",
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.7.tgz",
+      "integrity": "sha512-zAKJGuQPihXW22fkrfOclUUZXM2g92z5GzlSMHxhO6r6Qj+Nm0ccaGNBzDZojzwOMkpjAv4J0fOv1U4go+a4iw==",
       "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
@@ -3091,13 +3091,19 @@
             "util-deprecate": "^1.0.1"
           }
         },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true
+        },
         "string_decoder": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
-          "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
           "dev": true,
           "requires": {
-            "safe-buffer": "~5.1.0"
+            "safe-buffer": "~5.2.0"
           }
         }
       }
@@ -3217,16 +3223,24 @@
       }
     },
     "borc": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/borc/-/borc-2.1.0.tgz",
-      "integrity": "sha512-hKTxeYt3AIzIG45epJHv8xJYSF0ktp7nZgFsqi5cPzoL3T8qKMPeUlqydORy6j3NWZvRDANx30PjpTmGho69Gw==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/borc/-/borc-2.1.1.tgz",
+      "integrity": "sha512-vPLLC2/gS0QN4O3cnPh+8jLshkMMD4qIfs+B1TPGPh30WrtcfItaO6j4k9alsqu/hIgKi8dVdmMvTcbq4tIF7A==",
       "dev": true,
       "requires": {
-        "bignumber.js": "^8.0.1",
+        "bignumber.js": "^9.0.0",
         "commander": "^2.15.0",
         "ieee754": "^1.1.8",
         "iso-url": "~0.4.4",
         "json-text-sequence": "~0.1.0"
+      },
+      "dependencies": {
+        "bignumber.js": {
+          "version": "9.0.0",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.0.tgz",
+          "integrity": "sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==",
+          "dev": true
+        }
       }
     },
     "bower-config": {
@@ -10922,9 +10936,9 @@
       },
       "dependencies": {
         "buffer": {
-          "version": "5.2.1",
-          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
-          "integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
+          "version": "5.4.3",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.4.3.tgz",
+          "integrity": "sha512-zvj65TkFeIt3i6aj5bIvJDzjjQQGs4o/sNoezg1F1kYap9Nu2jcUdpwzRSJTHMMzG0H7bZkn4rNQpImhuxWX2A==",
           "dev": true,
           "requires": {
             "base64-js": "^1.0.2",
@@ -10958,29 +10972,12 @@
             "yallist": "^3.0.2"
           }
         },
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        },
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
           "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
           "dev": true
         },
-        "ndjson": {
-          "version": "github:hugomrdias/ndjson#4db16da6b42e5b39bf300c3a7cde62abb3fa3a11",
-          "from": "github:hugomrdias/ndjson#feat/readable-stream3",
-          "dev": true,
-          "requires": {
-            "json-stringify-safe": "^5.0.1",
-            "minimist": "^1.2.0",
-            "split2": "^3.1.0",
-            "through2": "^3.0.0"
-          }
-        },
         "readable-stream": {
           "version": "3.4.0",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.4.0.tgz",
@@ -10992,22 +10989,19 @@
             "util-deprecate": "^1.0.1"
           }
         },
-        "split2": {
-          "version": "3.1.1",
-          "resolved": "https://registry.npmjs.org/split2/-/split2-3.1.1.tgz",
-          "integrity": "sha512-emNzr1s7ruq4N+1993yht631/JH+jaj0NYBosuKmLcq+JkGQ9MmTw1RB1fGaTCzUuseRIClrlSLHRNYGwWQ58Q==",
-          "dev": true,
-          "requires": {
-            "readable-stream": "^3.0.0"
-          }
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true
         },
         "string_decoder": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
-          "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
           "dev": true,
           "requires": {
-            "safe-buffer": "~5.1.0"
+            "safe-buffer": "~5.2.0"
           }
         },
         "through2": {
@@ -11414,13 +11408,19 @@
             "util-deprecate": "^1.0.1"
           }
         },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true
+        },
         "string_decoder": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
-          "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
           "dev": true,
           "requires": {
-            "safe-buffer": "~5.1.0"
+            "safe-buffer": "~5.2.0"
           }
         }
       }
@@ -11705,9 +11705,9 @@
       }
     },
     "kredits-contracts": {
-      "version": "5.4.0",
-      "resolved": "https://registry.npmjs.org/kredits-contracts/-/kredits-contracts-5.4.0.tgz",
-      "integrity": "sha512-Oz5c+wbuDhZ0uYKRWPxSpsNiUXdrZlJ6Vp/+IMMSjD/TmlHGwP2Pnmloyq4Xjim0JbA/bJSjyBdy62dCrqCLrw==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/kredits-contracts/-/kredits-contracts-5.5.0.tgz",
+      "integrity": "sha512-kiiKySe7plOeywiJv+0E2MfUxQ56yTUamrQzVqLjyTssHWtjv7Nv+/EoYnVXgWHBcGouh02QzmxrYJYpAAS6Ig==",
       "dev": true,
       "requires": {
         "ethers": "^4.0.29",
@@ -11718,9 +11718,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "10.14.10",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.10.tgz",
-          "integrity": "sha512-V8wj+w2YMNvGuhgl/MA5fmTxgjmVHVoasfIaxMMZJV6Y8Kk+Ydpi1z2whoShDCJ2BuNVoqH/h1hrygnBxkrw/Q==",
+          "version": "10.14.18",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.18.tgz",
+          "integrity": "sha512-ryO3Q3++yZC/+b8j8BdKd/dn9JlzlHBPdm80656xwYUdmPkpTGTjkAdt6BByiNupGPE8w0FhBgvYy/fX9hRNGQ==",
           "dev": true
         },
         "elliptic": {
@@ -11736,9 +11736,9 @@
           }
         },
         "ethers": {
-          "version": "4.0.32",
-          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.32.tgz",
-          "integrity": "sha512-r0k2tBNF6MYEsvwmINeP3VPppD/7eAZyiOk/ifDDawXGCKqr3iEQkPq6OZSDVD+4Jie38WPteS9thXzpn2+A5Q==",
+          "version": "4.0.37",
+          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.37.tgz",
+          "integrity": "sha512-B7bDdyQ45A5lPr6k2HOkEKMtYOuqlfy+nNf8glnRvWidkDQnToKw1bv7UyrwlbsIgY2mE03UxTVtouXcT6Vvcw==",
           "dev": true,
           "requires": {
             "@types/node": "^10.3.2",
@@ -11854,17 +11854,38 @@
       }
     },
     "libp2p-crypto-secp256k1": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/libp2p-crypto-secp256k1/-/libp2p-crypto-secp256k1-0.3.0.tgz",
-      "integrity": "sha512-+rF3S5p2pzS4JLDwVE6gLWZeaKkpl4NkYwG+0knV6ot29UcRSb73OyCWl07r1h5+g9E3KZC3wpsu+RIK5w8zQA==",
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/libp2p-crypto-secp256k1/-/libp2p-crypto-secp256k1-0.3.1.tgz",
+      "integrity": "sha512-evrfK/CeUSd/lcELUdDruyPBvxDmLairth75S32OLl3H+++2m2fV24JEtxzdFS9JH3xEFw0h6JFO8DBa1bP9dA==",
       "dev": true,
       "requires": {
-        "async": "^2.6.1",
+        "async": "^2.6.2",
         "bs58": "^4.0.1",
-        "multihashing-async": "~0.5.1",
+        "multihashing-async": "~0.6.0",
         "nodeify": "^1.0.1",
         "safe-buffer": "^5.1.2",
-        "secp256k1": "^3.6.1"
+        "secp256k1": "^3.6.2"
+      },
+      "dependencies": {
+        "js-sha3": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+          "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
+          "dev": true
+        },
+        "multihashing-async": {
+          "version": "0.6.0",
+          "resolved": "https://registry.npmjs.org/multihashing-async/-/multihashing-async-0.6.0.tgz",
+          "integrity": "sha512-Qv8pgg99Lewc191A5nlXy0bSd2amfqlafNJZmarU6Sj7MZVjpR94SCxQjf4DwPtgWZkiLqsjUQBXA2RSq+hYyA==",
+          "dev": true,
+          "requires": {
+            "blakejs": "^1.1.0",
+            "js-sha3": "~0.8.0",
+            "multihashes": "~0.4.13",
+            "murmurhash3js": "^3.0.1",
+            "nodeify": "^1.0.1"
+          }
+        }
       }
     },
     "linkify-it": {
@@ -12527,12 +12548,12 @@
       }
     },
     "mafmt": {
-      "version": "6.0.7",
-      "resolved": "https://registry.npmjs.org/mafmt/-/mafmt-6.0.7.tgz",
-      "integrity": "sha512-2OG/EGAJZmpZBl7YRT1hD83sZa2gKsUEdegRuURreIOe7B4VeHU1rYYmhgk7BkLzknGL3xGYsDx3bbSgEEzE7g==",
+      "version": "6.0.10",
+      "resolved": "https://registry.npmjs.org/mafmt/-/mafmt-6.0.10.tgz",
+      "integrity": "sha512-FjHDnew6dW9lUu3eYwP0FvvJl9uvNbqfoJM+c1WJcSyutNEIlyu6v3f/rlPnD1cnmue38IjuHlhBdIh3btAiyw==",
       "dev": true,
       "requires": {
-        "multiaddr": "^6.0.4"
+        "multiaddr": "^6.1.0"
       }
     },
     "magic-string": {
@@ -13000,9 +13021,9 @@
       "dev": true
     },
     "multiaddr": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/multiaddr/-/multiaddr-6.1.0.tgz",
-      "integrity": "sha512-+XTP3OzG2m6JVcjxA9QBmGDr0Vk8WwnohC/fCC3puXb5qJqfJwLVJLEtdTc6vK7ri/hw+Nn4wyT4LkZaPnvGfQ==",
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/multiaddr/-/multiaddr-6.1.1.tgz",
+      "integrity": "sha512-Q1Ika0F9MNhMtCs62Ue+GWIJtRFEhZ3Xz8wH7/MZDVZTWhil1/H2bEGN02kUees3hkI3q1oHSjmXYDM0gxaFjQ==",
       "dev": true,
       "requires": {
         "bs58": "^4.0.1",
@@ -13034,18 +13055,18 @@
       }
     },
     "multicodec": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/multicodec/-/multicodec-0.5.3.tgz",
-      "integrity": "sha512-TUId9mavSh7q4ui5nUYiC0U10XVrMhsoMLPoG6nAAaFt2GKqZKK3aB2AeFk58aqEnLhmTSdRkmNrlty4jjOxzg==",
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/multicodec/-/multicodec-0.5.5.tgz",
+      "integrity": "sha512-1kOifvwAqp9IdiiTKmpK2tS+LY6GHZdKpk3S2EvW4T32vlwDyA3hJoZtGauzqdedUPVNGChnTksEotVOCVlC+Q==",
       "dev": true,
       "requires": {
         "varint": "^5.0.0"
       }
     },
     "multihashes": {
-      "version": "0.4.14",
-      "resolved": "https://registry.npmjs.org/multihashes/-/multihashes-0.4.14.tgz",
-      "integrity": "sha512-V/g/EIN6nALXfS/xHUAgtfPP3mn3sPIF/i9beuGKf25QXS2QZYCpeVJbDPEannkz32B2fihzCe2D/KMrbcmefg==",
+      "version": "0.4.15",
+      "resolved": "https://registry.npmjs.org/multihashes/-/multihashes-0.4.15.tgz",
+      "integrity": "sha512-G/Smj1GWqw1RQP3dRuRRPe3oyLqvPqUaEDIaoi7JF7Loxl4WAWvhJNk84oyDEodSucv0MmSW/ZT0RKUrsIFD3g==",
       "dev": true,
       "requires": {
         "bs58": "^4.0.1",
@@ -14046,15 +14067,26 @@
       }
     },
     "peer-id": {
-      "version": "0.12.2",
-      "resolved": "https://registry.npmjs.org/peer-id/-/peer-id-0.12.2.tgz",
-      "integrity": "sha512-pked3yPLcOcprH21OnYbJAzk9OgI/TDEqjJ0IfRJSVB/61ZyqU5VKO7cw7hul+YD8nTD79wM79xFRWN3f6otNg==",
+      "version": "0.12.4",
+      "resolved": "https://registry.npmjs.org/peer-id/-/peer-id-0.12.4.tgz",
+      "integrity": "sha512-AIAwL/6CmVc/VKbUhpA1rY3A/VJ3Z9ELvtvDQfl5cIi0A74L7lvsJ6LxQn5JSJVHM5Us2Ng9zMO523dO3FFnnw==",
       "dev": true,
       "requires": {
-        "async": "^2.6.1",
+        "async": "^2.6.3",
         "class-is": "^1.1.0",
-        "libp2p-crypto": "~0.16.0",
-        "multihashes": "~0.4.13"
+        "libp2p-crypto": "~0.16.1",
+        "multihashes": "~0.4.15"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.17.14"
+          }
+        }
       }
     },
     "peer-info": {
@@ -14396,9 +14428,9 @@
       "dev": true
     },
     "pull-stream": {
-      "version": "3.6.13",
-      "resolved": "https://registry.npmjs.org/pull-stream/-/pull-stream-3.6.13.tgz",
-      "integrity": "sha512-enbnbnO+czsPuCq9s9HTTzDzzVQD5TSe60aO3nBioeJ9mevh8RzE4Hxbujo9TReg1fJlmNEL8uyQTUgn8+rSHg==",
+      "version": "3.6.14",
+      "resolved": "https://registry.npmjs.org/pull-stream/-/pull-stream-3.6.14.tgz",
+      "integrity": "sha512-KIqdvpqHHaTUA2mCYcLG1ibEbu/LCKoJZsBWyv9lSYtPkJPBq8m3Hxa103xHi6D2thj5YXa0TqK3L3GUkwgnew==",
       "dev": true
     },
     "pull-to-stream": {
@@ -14421,13 +14453,19 @@
             "util-deprecate": "^1.0.1"
           }
         },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true
+        },
         "string_decoder": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
-          "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
           "dev": true,
           "requires": {
-            "safe-buffer": "~5.1.0"
+            "safe-buffer": "~5.2.0"
           }
         }
       }
@@ -16461,13 +16499,19 @@
             "util-deprecate": "^1.0.1"
           }
         },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true
+        },
         "string_decoder": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
-          "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
           "dev": true,
           "requires": {
-            "safe-buffer": "~5.1.0"
+            "safe-buffer": "~5.2.0"
           }
         }
       }
diff --git a/package.json b/package.json
index 7c9d38b..7006ed5 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "eslint-plugin-node": "^9.0.1",
     "ethers": "^4.0.27",
     "kosmos-schemas": "^2.0.0",
-    "kredits-contracts": "^5.4.0",
+    "kredits-contracts": "^5.5.0",
     "loader.js": "^4.7.0",
     "ndjson": "github:hugomrdias/ndjson#feat/readable-stream3",
     "qunit-dom": "^0.8.4",