diff --git a/assets/styles/app.scss b/assets/styles/app.scss
index 0e7beb0..ea3d48c 100644
--- a/assets/styles/app.scss
+++ b/assets/styles/app.scss
@@ -149,6 +149,7 @@
     height: 100%;
     display: flex;
     flex-direction: column;
+    align-items: stretch;
 
     &:hover, &.is-hovered {
       color: $primary;
@@ -166,19 +167,49 @@
       }
     }
 
+    &:focus {
+      outline: none;
+    }
+
     .cloak {
       align-self: center;
     }
 
-    .buttons {
+    .form {
       flex-grow: 1;
+      display: flex;
       flex-direction: column;
       justify-content: center;
+      align-items: stretch;
     }
 
     .button.is-fullwidth + .button.is-fullwidth {
       margin-top: 1rem;
     }
+
+    &-anonymous {
+      width: 100%;
+      cursor: pointer;
+    }
+  }
+
+  fieldset[disabled] {
+    .box {
+      opacity: .5;
+      cursor: not-allowed;
+      background-color: $primary-invert;
+      border-color: #393939;
+
+      .title {
+        color: $white;
+      }
+
+      .cloak {
+        path {
+          stroke: #393939;
+        }
+      }
+    }
   }
 
   .field {
@@ -186,6 +217,19 @@
       text-align: left;
     }
 
+    .help {
+      text-align: left;
+      position: absolute;
+
+      &.counter {
+        right: 0;
+      }
+    }
+
+    &:not(:last-child) {
+      margin-bottom: 1.5rem;
+    }
+
     &.is-horizontal {
       display: flex;
       align-items: center;
@@ -199,6 +243,16 @@
         margin-right: 1.5rem;
       }
     }
+
+    .control.has-icons-right {
+      .input {
+        padding-right: calc(#{$control-padding-horizontal} - 1px);
+      }
+
+      .icon.is-right {
+        display: none;
+      }
+    }
   }
 
   .currently {
@@ -543,3 +597,9 @@
     }
   }
 }
+
+fieldset {
+  &:not(:last-child) {
+    margin-bottom: $block-spacing;
+  }
+}
diff --git a/components/Form.vue b/components/Form.vue
new file mode 100644
index 0000000..148f1aa
--- /dev/null
+++ b/components/Form.vue
@@ -0,0 +1,58 @@
+<template>
+  <div class="form">
+    <div v-if="isLoggedIn" class="fields">
+      <b-field
+        :type="{ 'is-danger': hasErrorName.invalid }"
+        :message="{ [hasErrorName.msg]: hasErrorName.invalid }"
+        label="Name"
+      >
+        <b-input v-model="userName" maxlength="35"></b-input>
+      </b-field>
+      <b-field label="Company">
+        <b-input v-model="userCompany"></b-input>
+      </b-field>
+    </div>
+    <div v-else class="buttons">
+      <b-button @click="twitterLogIn" type="is-primary" outlined expanded>
+        Sign in with Twitter
+      </b-button>
+      <b-button :disabled="true" type="is-primary" outlined expanded>
+        Sign in with Github
+      </b-button>
+    </div>
+  </div>
+</template>
+
+<script>
+import { mapGetters, mapActions } from 'vuex'
+
+export default {
+  data() {
+    return {
+      nameErrorMessage: ''
+    }
+  },
+  computed: {
+    ...mapGetters('user', ['isLoggedIn', 'hasErrorName']),
+    userName: {
+      get() {
+        return this.$store.state.user.name
+      },
+      set(value) {
+        this.$store.commit('user/SET_NAME', value)
+      }
+    },
+    userCompany: {
+      get() {
+        return this.$store.state.user.company
+      },
+      set(value) {
+        this.$store.commit('user/SET_COMPANY', value)
+      }
+    }
+  },
+  methods: {
+    ...mapActions('user', ['makeTweet', 'twitterLogIn'])
+  }
+}
+</script>
diff --git a/pages/make-contribution.vue b/pages/make-contribution.vue
index 3e35311..6477984 100644
--- a/pages/make-contribution.vue
+++ b/pages/make-contribution.vue
@@ -1,44 +1,31 @@
 <template>
   <div class="ceremony">
     <h1 class="title is-size-1 is-spaced">
-      Hello, <span>@{{ user.handle }}</span>
+      Hello, <span>@{{ userHandle }}</span>
     </h1>
     <h2 class="subtitle">
       What way do you want to contribute to the Tornado.cash Trusted Setup Ceremony?
     </h2>
-    <div class="columns is-centered">
-      <div class="column is-one-third">
-        <div
-          :class="{ 'is-hovered': contributionType === 'anonymous' }"
-          @click="onAnonymousHandler"
-          class="box"
-        >
-          <div class="title is-5">Anonymously</div>
-          <Cloak />
+    <fieldset :disabled="status.type === 'is-success'">
+      <div class="columns is-centered">
+        <div class="column is-one-third">
+          <button
+            :class="{ 'is-hovered': contributionType === 'anonymous' }"
+            @click="onAnonymousHandler"
+            class="box box-anonymous"
+          >
+            <div class="title is-5">Anonymously</div>
+            <Cloak />
+          </button>
         </div>
-      </div>
-      <div class="column is-one-third">
-        <div :class="{ 'is-hovered': isLoggedIn }" class="box">
-          <div class="title is-5">Using a social account</div>
-          <div v-if="isLoggedIn" class="fields">
-            <b-field label="Name">
-              <b-input v-model="user.name"></b-input>
-            </b-field>
-            <b-field label="Company">
-              <b-input v-model="user.company"></b-input>
-            </b-field>
-          </div>
-          <div v-else class="buttons">
-            <b-button @click="logIn" type="is-primary" outlined expanded>
-              SignIn via Twitter
-            </b-button>
-            <b-button @click="logIn" :disabled="true" type="is-primary" outlined expanded>
-              SignIn via Github
-            </b-button>
+        <div class="column is-one-third">
+          <div :class="{ 'is-hovered': isLoggedIn }" class="box">
+            <div class="title is-5">Using a social account</div>
+            <Form />
           </div>
         </div>
       </div>
-    </div>
+    </fieldset>
 
     <div v-show="status.type === 'is-danger' || status.type === 'is-success'" class="status">
       <div :class="status.type" class="status-message">{{ status.msg }}</div>
@@ -81,32 +68,66 @@
 
 <script>
 /* eslint-disable no-console */
+import { mapGetters, mapActions } from 'vuex'
 import Cloak from '@/components/Cloak'
+import Form from '@/components/Form'
 const timeout = (ms) => new Promise((resolve) => setTimeout(resolve, ms))
 
 export default {
   components: {
-    Cloak
+    Cloak,
+    Form
   },
   data() {
     return {
-      contributionType: null,
-      contributionIndex: null,
       isContributeBtnSnown: false,
       status: {
         type: '',
         msg: ''
       },
-      user: { name: '', handle: 'Anonymous', company: '' },
       loading: false
     }
   },
   computed: {
-    isLoggedIn() {
-      return !!this.user.name && this.user.name !== 'Anonymous'
+    ...mapGetters('user', ['isLoggedIn', 'hasErrorName']),
+    userName: {
+      get() {
+        return this.$store.state.user.name
+      },
+      set(value) {
+        this.$store.commit('user/SET_NAME', value)
+      }
+    },
+    userHandle: {
+      get() {
+        return this.$store.state.user.handle
+      },
+      set(value) {
+        this.$store.commit('user/SET_HANDLE', value)
+      }
+    },
+    userCompany: {
+      get() {
+        return this.$store.state.user.company
+      },
+      set(value) {
+        this.$store.commit('user/SET_COMPANY', value)
+      }
+    },
+    contributionType: {
+      get() {
+        return this.$store.state.user.contributionType
+      },
+      set(value) {
+        this.$store.commit('user/SET_CONTRIBUTION_TYPE', value)
+      }
     },
     isContributeBtnDisabled() {
-      return !this.contributionType || (!this.isLoggedIn && this.contributionType !== 'anonymous')
+      return (
+        !this.contributionType ||
+        (!this.isLoggedIn && this.contributionType !== 'anonymous') ||
+        this.hasErrorName.invalid
+      )
     }
   },
   async mounted() {
@@ -115,8 +136,8 @@ export default {
       const data = await response.json()
       console.log('data', data)
       if (data.name !== 'Anonymous') {
-        this.user.handle = data.handle
-        this.user.name = data.name
+        this.userHandle = data.handle
+        this.userName = data.name
         // TODO check whether it's github or twitter
         this.contributionType = 'twitter'
       }
@@ -125,33 +146,7 @@ export default {
     }
   },
   methods: {
-    makeTweet() {
-      const tweetText = `Just made the contribution %23${this.contributionIndex} to Tornado.cash Trusted Setup Ceremony! 🚀`
-      const popUpWindowWidth = 600
-      const popUpWindowHeight = 250
-      const dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : window.screenX
-      const dualScreenTop = window.screenTop !== undefined ? window.screenTop : window.screenY
-
-      const width = window.innerWidth
-        ? window.innerWidth
-        : document.documentElement.clientWidth
-        ? document.documentElement.clientWidth
-        : screen.width
-      const height = window.innerHeight
-        ? window.innerHeight
-        : document.documentElement.clientHeight
-        ? document.documentElement.clientHeight
-        : screen.height
-
-      const systemZoom = width / window.screen.availWidth
-      const left = (width - popUpWindowWidth) / 2 / systemZoom + dualScreenLeft
-      const top = (height - popUpWindowHeight) / 2 / systemZoom + dualScreenTop
-      window.open(
-        `https://twitter.com/intent/tweet?text=${tweetText}`,
-        '',
-        `menubar=no,toolbar=no,resizable=yes,scrollbars=no,height=${popUpWindowHeight},width=${popUpWindowWidth},top=${top},left=${left}`
-      )
-    },
+    ...mapActions('user', ['makeTweet', 'logOut']),
     async makeContribution({ retry = 0 } = {}) {
       try {
         this.isContributeBtnSnown = true
@@ -169,12 +164,12 @@ export default {
         console.log('Updated params', result)
 
         this.status.msg = 'Uploading and verifying your contribution'
-        console.log('this.user.name', this.user)
+        console.log('this.user.name', this.userName, this.userHandle, this.userCompany)
         const formData = new FormData()
         formData.append('response', new Blob([result], { type: 'application/octet-stream' }))
         if (this.contributionType !== 'anonymous') {
-          formData.append('name', this.user.name)
-          formData.append('company', this.user.company)
+          formData.append('name', this.userName)
+          formData.append('company', this.userCompany)
         }
         const resp = await fetch('api/response', {
           method: 'POST',
@@ -184,7 +179,7 @@ export default {
           this.status.msg = 'Your contribution is verified and recorded. Thank you.'
           this.status.type = 'is-success'
           const responseData = await resp.json()
-          this.contributionIndex = responseData.contributionIndex
+          this.$store.commit('user/SET_CONTRIBUTION_INDEX', responseData.contributionIndex)
         } else if (resp.status === 422) {
           if (retry < 3) {
             console.log(`Looks like someone else uploaded contribution ahead of us, retrying`)
@@ -208,13 +203,12 @@ export default {
         this.loading = false
       }
     },
-    logIn() {
-      this.contributionType = 'twitter'
-      window.location.replace('/api/connect')
-    },
     onAnonymousHandler() {
+      this.logOut()
       this.contributionType = 'anonymous'
-      this.user = { name: '', handle: 'Anonymous', company: '' }
+      this.userName = null
+      this.userHandle = 'Anonymous'
+      this.userCompany = ''
     }
   }
 }
diff --git a/store/user.js b/store/user.js
new file mode 100644
index 0000000..ed35698
--- /dev/null
+++ b/store/user.js
@@ -0,0 +1,93 @@
+const state = () => {
+  return {
+    name: null,
+    handle: 'Anonymous',
+    company: '',
+    contributionType: null,
+    contributionIndex: null
+  }
+}
+
+const mutations = {
+  SET_NAME(state, name) {
+    state.name = name
+  },
+  SET_HANDLE(state, handle) {
+    state.handle = handle
+  },
+  SET_COMPANY(state, company) {
+    state.company = company
+  },
+  SET_CONTRIBUTION_TYPE(state, contributionType) {
+    state.contributionType = contributionType
+  },
+  SET_CONTRIBUTION_INDEX(state, contributionIndex) {
+    state.contributionIndex = contributionIndex
+  }
+}
+
+const getters = {
+  isLoggedIn: (state) => {
+    return state.name !== null && state.name !== 'Anonymous'
+  },
+  hasErrorName: (state) => {
+    const name = state.name
+    if (name === null) {
+      return { invalid: false, msg: '' }
+    }
+    if (name === '') {
+      return { invalid: true, msg: 'Name is empty' }
+    }
+    if (name.length < 4) {
+      return { invalid: true, msg: 'Name is too short' }
+    }
+    if (name.length > 35) {
+      return { invalid: true, msg: 'Name is too long' }
+    }
+    return { invalid: false, msg: '' }
+  }
+}
+
+const actions = {
+  twitterLogIn() {
+    window.location.replace('/api/connect')
+  },
+  makeTweet({ state }) {
+    const tweetText = `Just made the contribution %23${state.contributionIndex} to Tornado.cash Trusted Setup Ceremony! 🚀`
+    const popUpWindowWidth = 600
+    const popUpWindowHeight = 250
+    const dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : window.screenX
+    const dualScreenTop = window.screenTop !== undefined ? window.screenTop : window.screenY
+
+    const width = window.innerWidth
+      ? window.innerWidth
+      : document.documentElement.clientWidth
+      ? document.documentElement.clientWidth
+      : screen.width
+    const height = window.innerHeight
+      ? window.innerHeight
+      : document.documentElement.clientHeight
+      ? document.documentElement.clientHeight
+      : screen.height
+
+    const systemZoom = width / window.screen.availWidth
+    const left = (width - popUpWindowWidth) / 2 / systemZoom + dualScreenLeft
+    const top = (height - popUpWindowHeight) / 2 / systemZoom + dualScreenTop
+    window.open(
+      `https://twitter.com/intent/tweet?text=${tweetText}`,
+      '',
+      `menubar=no,toolbar=no,resizable=yes,scrollbars=no,height=${popUpWindowHeight},width=${popUpWindowWidth},top=${top},left=${left}`
+    )
+  },
+  async logOut() {
+    await fetch('/api/logout')
+  }
+}
+
+export default {
+  namespaced: true,
+  state,
+  getters,
+  mutations,
+  actions
+}