+ create user with public/private key

+ sign and verify votes and prevent unverified updates

app/components/Poll.vue

@@ -44,7 +44,7 @@
     <div>
         <h2 class="poll-title">Poll: {{ activePollId }}</h2>
         <p v-if="Object.keys(pollData).length==0">Note: Add at least one Option to save the Poll.</p>
-        <form @submit.prevent="handleAddNewOption" class="add-option-form">
+        <form @submit.prevent="handleAddNewOption" class="add-option-form" v-if="userid">
             <input v-model="newOption" placeholder="Enter a new poll option..." required />
             <button type="submit">Add Option</button>
         </form>
@@ -54,7 +54,7 @@
                 <span class="option-name">{{ optionName }}</span>
                 <div class="vote-section">
                     <span class="vote-count">{{ votes.length }} {{ votes.length === 1 ? 'vote' : 'votes' }}</span>
-                    <button @click="vote(String(optionName),String(userGuid))" class="vote-btn" :disabled="voted(votes)">+1</button>
+                    <button @click="vote(String(optionName))" class="vote-btn" :disabled="userid==undefined || voted(votes)">+1</button>
                 </div>
             </li>
         </ul>
@@ -71,11 +71,10 @@
         newOption.value = '';
     };
 
-    const userGuid = useCookie('user_guid');
 
     const voted = (votes: SignedData<VoteData>[]) => {
         for(let vote of votes){
-            if(vote.data.userid == userGuid.value){
+            if(vote.data.userid == props.userid){
                 return true;
             }
         }