diff --git a/src/pages/Onboarding4.jsx b/src/pages/Onboarding4.jsx
index 96dd347..b49256e 100644
--- a/src/pages/Onboarding4.jsx
+++ b/src/pages/Onboarding4.jsx
@@ -9,11 +9,12 @@ const Onboarding4 = observer(()=>{
 
   const [checkBoxesSelected, setCheckBoxesSelected] = useState(false)
 
-  function validateCheckBox () {
+  function postAuthData () {
     let checkBoxes=[...document.getElementsByClassName("form-checkbox")]
     if(checkBoxes.find(item=>item.checked===false)) {
       return
     } else {
+      registrationStore.postAuth()
       setCheckBoxesSelected(true)
 
     }
@@ -81,7 +82,7 @@ const Onboarding4 = observer(()=>{
                     <path className="text-emerald-500" d="m28.5 41-8-8 3-3 5 5 12-12 3 3z" />
                   </svg>
                   <h1 className="text-3xl text-slate-800 font-bold mb-8">{registrationStore.accountData.first_name ? `Nice to meet you, ${registrationStore.accountData.first_name} 🙌` : 'Please, go back step 2'}</h1>
-                  <button onClick={()=>validateCheckBox()} className="btn px-6 bg-indigo-500 hover:bg-indigo-600 text-white">
+                  <button onClick={()=>postAuthData()} className="btn px-6 bg-indigo-500 hover:bg-indigo-600 text-white">
                     <Link id="link-dashboard" to={checkBoxesSelected && "/dashboard"}>Go To Profile -&gt;</Link>
                   </button>
                 </div>
diff --git a/src/store/store.js b/src/store/store.js
index 5281627..4049ea2 100644
--- a/src/store/store.js
+++ b/src/store/store.js
@@ -21,6 +21,14 @@ class Store {
     }))
   };
 
+  postAuth() {
+    fetchWrapper.postAuth('http://3.125.47.101/api/data/account', {
+      networkIdentifier: this.nodeInfo.networkIdentifier,
+      lastBlockID: this.nodeInfo.lastBlockID
+    }, [...this.encryptAccountData])
+        .then((result) => console.log(result))
+  }
+
   savePassPhrase(phrase) {
     this._passPhrase = phrase
   }
@@ -37,7 +45,6 @@ class Store {
 
   fetchNodeInfoSuccess(info) {
     this._nodeInfo = info.data;
-    console.log(info)
   }
 
   fetchNodeInfoFailed(err) {
@@ -52,6 +59,17 @@ class Store {
     return this._accountData
   };
 
+  get encryptAccountData() {
+    return Object.keys(this.accountData).map((label) => {
+      let value = cryptography.encryptMessageWithPassphrase(cryptography.getRandomBytes(32).toString('hex') + ":" + this.accountData[label], this.passPhrase, this.pubKey);
+      return {
+        "label": label,
+        "value": value.encryptedMessage,
+        "value_nonce": value.nonce,
+      }
+    })
+  }
+
   get nodeInfo() {
     return this._nodeInfo;
   }
@@ -69,7 +87,7 @@ class Store {
   }
 
   get tokenKey() {
-    const stringToSign = this.nodeInfo.networkIdentifier.concat(this.nodeInfo.lastBlockID);
+    const stringToSign = this.nodeInfo.networkIdentifier + this.nodeInfo.lastBlockID;
     if(!stringToSign)
       return '';
     const sign = cryptography.signDataWithPassphrase(Buffer.from(stringToSign, 'hex'), this.passPhrase).toString('hex')