diff --git a/src/pages/account/accountDataPage/addressesCard.vue b/src/pages/account/accountDataPage/addressesCard.vue
index 50c5042..690b6a0 100644
--- a/src/pages/account/accountDataPage/addressesCard.vue
+++ b/src/pages/account/accountDataPage/addressesCard.vue
@@ -13,7 +13,7 @@ const accountStore = useAccountStore()
     icon="mdi-home"
     :title="$t('account.userData.address', 2)"
   >
-    <v-expansion-panels v-if="accountStore.userAccount.addresses.length > 0">
+    <v-expansion-panels v-if="accountStore.userAccount.addresses != undefined && accountStore.userAccount.addresses.length > 0">
       <v-expansion-panel
         v-for="address in accountStore.userAccount.addresses"
         color="primary"
diff --git a/src/pages/misc/helpPage/index.vue b/src/pages/misc/helpPage/index.vue
index 4664a84..5b874d9 100644
--- a/src/pages/misc/helpPage/index.vue
+++ b/src/pages/misc/helpPage/index.vue
@@ -20,22 +20,19 @@ function getDotColor(exerciseGroupNr: number) {
   }
 }
 
-function checksum(num: number) {
-  let cs = 0
-
-  for (; num > 0; num = Math.trunc(num / 10)) {
-      cs += num % 10;
-  }
-
-  return cs
-}
-
-function generateExerciseKey(exerciseGroup: number, exerciseNr: number) {
+function generateExerciseKey() {
   try {
-    let matrikelNr = Number(preferencesStore.registrationNumber)
-    let a = matrikelNr + exerciseGroup * 100 + exerciseNr * 12345678 + 
-      checksum(Number(preferencesStore.registrationNumber)) * 123
-    return a.toString(16).toUpperCase()
+    let code = ""
+
+    for (let i = 0; i < 13; i++) {
+      if (exerciseStore.exercises[i].solved) {
+        code += "3"
+      } else {
+        code += "0"
+      }
+    }
+
+    return (Number(code) + Number(preferencesStore.registrationNumber)) * 237
   } catch(e) {}
 }
 </script>
@@ -45,20 +42,7 @@ function generateExerciseKey(exerciseGroup: number, exerciseNr: number) {
     <v-row>
       <v-spacer />
 
-      <v-col
-        v-if="preferencesStore.studentName.length < 3 || preferencesStore.registrationNumber.length < 7"
-        cols="auto"
-      >
-        <card-view variant="outlined" >
-          {{ $t('misc.fulfillYourPersonalDataFirst') }}
-        </card-view>
-      </v-col>
-
       <v-col cols="auto">
-        <v-tooltip :text="$t('misc.fulfillYourPersonalDataFirst')">
-          <template #activator="{ props }"></template>
-
-        </v-tooltip>
         <outlined-button
           prepend-icon="mdi-file-pdf-box"
           @click="generateResultsPdf()"
@@ -69,6 +53,17 @@ function generateExerciseKey(exerciseGroup: number, exerciseNr: number) {
       </v-col>
     </v-row>
 
+    <v-row>
+      <v-col class="text-h5 text-center">
+        <div>
+          Persönlicher Lösungsschlüssel:
+        </div>
+        <div>
+          {{ generateExerciseKey() }}
+        </div>
+      </v-col>
+    </v-row>
+
     <v-row>
       <v-col>
         <card-view
@@ -116,9 +111,6 @@ function generateExerciseKey(exerciseGroup: number, exerciseNr: number) {
                     :color="exercise.solved ? 'green' : 'primary'"
                   >
                     {{ preferencesStore.language == LanguageEnum.GERMAN ? exercise.descriptionDe : exercise.descriptionEn }}
-                    <div class="pt-2 text-h6">
-                      Solution Code: 0x{{ generateExerciseKey(exercise.exerciseGroup.groupNr, exercise.exerciseNr) }}
-                    </div>
                   </card-view>
                 </v-timeline-item>
               </template>
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..dd1efdd
--- /dev/null
+++ b/test.py
@@ -0,0 +1,12 @@
+import math
+
+matrikel_nr = 10019865
+geloest = 1234567654321
+key = 2937
+code = 0
+
+for i in range(13):
+  code += math.pow(10, i) * 3
+
+  print(code)
+  print((code + matrikel_nr) * 237)
\ No newline at end of file