diff --git a/api/src/middlewares/tokenAuth.js b/api/src/middlewares/tokenAuth.js
new file mode 100644
index 000000000..82a801566
--- /dev/null
+++ b/api/src/middlewares/tokenAuth.js
@@ -0,0 +1,33 @@
+
+import jwt from "jsonwebtoken";
+import { JWT_SECRET } from "../config";
+import { prisma } from "../db";
+
+
+
+
+export const authenticateToken = async (req, res, next) => {
+  const token = req.headers.authorization?.split(" ")[1]; // Bearer token extraction
+  if (!token) {
+    return res.status(401).json({ ok: false, error: "No token provided" });
+  }
+
+  try {
+    const decoded = jwt.verify(token, JWT_SECRET);
+    const user = await prisma.user.findUnique({
+      where: { email: decoded.email },
+    });
+
+    if (!user) {
+      return res.status(400).json({ ok: false, error: "User not found" });
+    }
+
+    // Attach user info to req object
+    req.user = user;
+    next(); // Proceed to the next middleware/route handler
+  } catch (error) {
+    return res.status(403).json({ ok: false, error: "Token is invalid or expired" });
+  }
+};
+
+module.exports = { authenticateToken };
\ No newline at end of file
diff --git a/expo/App.jsx b/expo/App.jsx
index 1918367c9..1e224f6b5 100644
--- a/expo/App.jsx
+++ b/expo/App.jsx
@@ -60,46 +60,11 @@ const App = () => {
   );
 
   useEffect(() => {
-    initMatomo().then(async () => {
-      if (!reconciliatedDrinksToDB) {
-        await reconciliateDrinksToDB();
-        setReconciliatedDrinksToDB(true);
-      }
-      if (!reconciliatedGoalsToDB) {
-        await reconciliateGoalToDB();
-        setReconciliatedGoalsToDB(true);
-      }
-      if (!_hasCleanConsoAndCatalog) {
-        await cleanConsosAndCatalog();
-        setHasCleanConsoAndCatalog(true);
-      }
-      if (!_hasSentPreviousDrinksToDB) {
-        await sendPreviousDrinksToDB();
-        setHasSentPreviousDrinksToDB(true);
-      }
-      if (!_hasMigrateFromDailyGoalToWeekly) {
-        await migrateFromDailyGoalToWeekly();
-        sethasMigrateFromDailyGoalToWeekly(true);
-      }
-      if (!_hasMigrateMissingDrinkKey) {
-        migrateMissingDrinkKey();
-        sethasMigrateMissingDrinkKey(true);
-      }
-    });
+    initMatomo()
 
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
-  if (
-    !reconciliatedDrinksToDB ||
-    !reconciliatedGoalsToDB ||
-    !_hasSentPreviousDrinksToDB ||
-    !_hasCleanConsoAndCatalog ||
-    !_hasMigrateFromDailyGoalToWeekly ||
-    !_hasMigrateMissingDrinkKey
-  ) {
-    return null;
-  }
 
   return (
     <RecoilRoot>
diff --git a/expo/src/Router.js b/expo/src/Router.js
index 34ea27153..a73da7e98 100644
--- a/expo/src/Router.js
+++ b/expo/src/Router.js
@@ -1,4 +1,4 @@
-import React, { useEffect, useMemo, useRef } from "react";
+import React, { useEffect, useMemo, useRef, useState } from "react";
 import { createBottomTabNavigator } from "@react-navigation/bottom-tabs";
 import { NavigationContainer } from "@react-navigation/native";
 import { Alert, Linking } from "react-native";
@@ -48,7 +48,6 @@ import StrategyModalNPS from "./components/StrategyModalNPS";
 import { isInCravingKeyState } from "./recoil/craving";
 import { dayjsInstance } from "./services/dates";
 import SuccessStrategyModal from "./scenes/Craving/SuccessStrategyModal";
-import ExportedDataDone from "./scenes/Craving/ExportedDataDone";
 import SigninScreen from "./scenes/Auth/Signin";
 import SignupScreen from "./scenes/Auth/Signup";
 import EmailConfirmationScreen from "./scenes/WelcomeScreen/EmailConfirmationScreen";
@@ -171,13 +170,50 @@ const TabsNavigator = ({ navigation }) => {
 
 const AppStack = createNativeStackNavigator();
 const App = () => {
+  const [isTokenValid, setIsTokenValid] = useState(null);
+  const token = storage.getString("@Token");
+
+  useEffect(() => {
+    const checkTokenValidity = async () => {
+      if (!token) {
+        setIsTokenValid(false);
+        return;
+      }
+
+      try {
+        const response = await API.get({
+          path: "/user/signin_token",
+          headers: { Authorization: `Bearer ${token}` },
+        });
+
+        if (response.ok) {
+          setIsTokenValid(true);
+        } else {
+          setIsTokenValid(false);
+        }
+      } catch (e) {
+        setIsTokenValid(false);
+      }
+    };
+
+    checkTokenValidity();
+  }, [token]);
+
   const initialRouteName = useMemo(() => {
-    const token = storage.getString("@Token");
+    console.log("isTokenValid", isTokenValid);
+    if (isTokenValid === null) return null; // Still checking token, render a loading screen or nothing
+
+    if (!isTokenValid) return "SIGNIN_SCREEN";
+
     const onBoardingDone = storage.getBoolean("@OnboardingDoneWithCGU");
-    if (token) return "SIGNIN_SCREEN";
     if (!onBoardingDone) return "WELCOME";
+
     return "TABS";
-  }, []);
+  }, [isTokenValid]);
+
+  if (initialRouteName === null) {
+    return null; // Render a loading screen or nothing until the token validity is checked
+  }
 
   return (
     <>
@@ -255,7 +291,6 @@ const Router = () => {
     });
     prevCurrentRouteName.current = route.name;
   };
-  const alreadyExported = storage.getBoolean("@ExportedData");
 
   const handleInAppMessage = (inAppMessage) => {
     const [title, subTitle, actions = [], options = {}] = inAppMessage;
@@ -289,7 +324,6 @@ const Router = () => {
         ref={navigationRef}
         onReady={() => {
           API.navigation = navigationRef.current;
-          if (alreadyExported) navigationRef.current.navigate("MODAL_EXPORT_DONE");
         }}
         onStateChange={onNavigationStateChange}
         linking={deepLinkingConfig}
@@ -325,15 +359,6 @@ const Router = () => {
               animation: "fade",
             }}
           />
-          <ModalsStack.Screen
-            name="MODAL_EXPORT_DONE"
-            component={ExportedDataDone}
-            options={{
-              headerShown: false,
-              contentStyle: { backgroundColor: "rgba(0,0,0,0.3)" },
-              animation: "fade",
-            }}
-          />
           <ModalsStack.Screen
             name="IN_APP_MODAL"
             component={InAppModal}
@@ -343,7 +368,6 @@ const Router = () => {
               animation: "fade",
             }}
           />
-
           <ModalsStack.Screen
             name="ABSTINENCE_SELECTION"
             component={AbstinenceSelection}
diff --git a/expo/src/scenes/Auth/Signup.js b/expo/src/scenes/Auth/Signup.js
index 165eca89d..7fd42394c 100644
--- a/expo/src/scenes/Auth/Signup.js
+++ b/expo/src/scenes/Auth/Signup.js
@@ -2,7 +2,6 @@ import React, { useEffect, useState } from "react";
 import { View, TextInput, TouchableOpacity, Text, SafeAreaView, KeyboardAvoidingView, Platform } from "react-native";
 import API from "../../services/api";
 import { storage } from "../../services/storage";
-import { initMatomo } from "../../services/logEventsWithMatomo";
 import AntDesign from "@expo/vector-icons/AntDesign";
 import Entypo from "@expo/vector-icons/Entypo";
 import MaterialCommunityIcons from "@expo/vector-icons/MaterialCommunityIcons";
@@ -49,7 +48,6 @@ const SignupScreen = ({ navigation }) => {
   };
 
   const signup = async () => {
-    // initMatomo(email, password);
     const matomoId = storage.getString("@UserIdv2");
     const response = await API.post({
       path: "/user/signup",
@@ -165,10 +163,9 @@ const SignupScreen = ({ navigation }) => {
         </View>
         <View className="flex mt-10 items-center">
           <TouchableOpacity
-            // onPress={signup}
-            onPress={() => navigation.navigate("EMAIL_CONFIRMATION")}
+            onPress={signup}
             className={`rounded-full px-6 py-3 ${isButtonDisabled ? "bg-[#EA6C96]" : "bg-[#de285e]"}`}
-            // disabled={isButtonDisabled}
+            disabled={isButtonDisabled}
           >
             <Text className="text-center text-white text-xl font-bold">Valider</Text>
           </TouchableOpacity>
diff --git a/expo/src/services/logEventsWithMatomo.js b/expo/src/services/logEventsWithMatomo.js
index 07fa1ce5f..8851a06fb 100644
--- a/expo/src/services/logEventsWithMatomo.js
+++ b/expo/src/services/logEventsWithMatomo.js
@@ -25,18 +25,6 @@ export const initMatomo = async () => {
   if (!userId) {
     userId = Matomo.makeid();
     storage.set("@UserIdv2", userId);
-    const response = await API.post({
-      path: "/user/signup",
-      body: {
-        matomoId: userId,
-        email: "yoanroszak@selego.co",
-        password: "password12@Abc",
-        calledFrom: "initMatomo",
-      },
-    });
-    if (response.ok) {
-      storage.set("@Token", response.token);
-    }
   }
   Sentry.setUser({ id: userId });
   API.userId = userId;
@@ -83,15 +71,6 @@ export const logEvent = async ({ category, action, name, value, dimension6 }) =>
     const canSend = await checkNetwork();
     if (!canSend) throw new Error("no network");
     Matomo.logEvent({ category, action, name, value, dimension6 });
-    const body = {
-      event: { category, action, name, value, dimension6 },
-      userId: Matomo.userId,
-      dimensions: Matomo.dimensions,
-    };
-    API.post({
-      path: "/event",
-      body,
-    });
   } catch (e) {
     console.log("logEvent error", e);
     console.log("logEvent error", { category, action, name, value, dimension6 });
diff --git a/expo/src/services/matomo.js b/expo/src/services/matomo.js
index ab0a6f894..f210e65ee 100644
--- a/expo/src/services/matomo.js
+++ b/expo/src/services/matomo.js
@@ -75,7 +75,7 @@ class _Matomo {
       if (!this.initDone) throw new Error("matomo not initialized yet");
       const url = `${this.baseUrl}?${this.computeParams(params, this.idsite)}`;
       if (__DEV__) {
-        // console.log(params, this.dimensions);
+        console.log(params, this.dimensions);
         return;
       }
       const res = await fetch(encodeURI(url));
diff --git a/expo/src/services/notifications.js b/expo/src/services/notifications.js
index 8a0efecef..a6b142d9c 100644
--- a/expo/src/services/notifications.js
+++ b/expo/src/services/notifications.js
@@ -2,7 +2,6 @@ import * as Notifications from "expo-notifications";
 import { Platform, AppState } from "react-native";
 import { logEvent } from "./logEventsWithMatomo";
 import { storage } from "./storage";
-import API from "./api";
 
 class NotificationService {
   listeners = {};
@@ -41,14 +40,6 @@ class NotificationService {
       category: "PUSH_NOTIFICATION_TOKEN_REGISTER",
       action: "SUCCESS",
     });
-    const matomoId = storage.getString("@UserIdv2");
-    await API.put({
-      path: "/user",
-      body: {
-        pushNotifToken: tokenPayload.data,
-        matomoId,
-      },
-    });
   };
 
   onRegistrationError = (err) => {