diff --git a/src/App.tsx b/src/App.tsx
index 9f58f21..11434af 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -33,7 +33,7 @@ const App = () => {
       window.location.href.split(`${window.location.origin}/#`)[1]
     )
 
-    return `${appPublicRoutes.login}?callbackPath=${callbackPathEncoded}`
+    return `${appPublicRoutes.landingPage}?callbackPath=${callbackPathEncoded}`
   }
 
   // Hide route only if loggedIn and r.hiddenWhenLoggedIn are both true
diff --git a/src/components/MarkFormField/index.tsx b/src/components/MarkFormField/index.tsx
index 99b9b7f..fde0922 100644
--- a/src/components/MarkFormField/index.tsx
+++ b/src/components/MarkFormField/index.tsx
@@ -17,7 +17,7 @@ interface MarkFormFieldProps {
   handleCurrentUserMarkChange: (mark: CurrentUserMark) => void
   handleSelectedMarkValueChange: (value: string) => void
   handleSubmit: (event: React.MouseEvent<HTMLButtonElement>) => void
-  selectedMark: CurrentUserMark
+  selectedMark: CurrentUserMark | null
   selectedMarkValue: string
 }
 
@@ -34,26 +34,23 @@ const MarkFormField = ({
 }: MarkFormFieldProps) => {
   const [displayActions, setDisplayActions] = useState(true)
   const [complete, setComplete] = useState(false)
-
   const isReadyToSign = () =>
     isCurrentUserMarksComplete(currentUserMarks) ||
     isCurrentValueLast(currentUserMarks, selectedMark, selectedMarkValue)
   const isCurrent = (currentMark: CurrentUserMark) =>
-    currentMark.id === selectedMark.id && !complete
+    currentMark.id === selectedMark?.id && !complete
   const isDone = (currentMark: CurrentUserMark) =>
     isCurrent(currentMark) ? !!selectedMarkValue : currentMark.isCompleted
   const findNext = () => {
     return (
-      currentUserMarks[selectedMark.id] ||
+      currentUserMarks[selectedMark!.id] ||
       findNextIncompleteCurrentUserMark(currentUserMarks)
     )
   }
   const handleFormSubmit = (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault()
-    console.log('handle form submit runs...')
-
     // Without this line, we lose mark values when switching
-    handleCurrentUserMarkChange(selectedMark)
+    handleCurrentUserMarkChange(selectedMark!)
 
     if (!complete) {
       isReadyToSign()
@@ -63,15 +60,16 @@ const MarkFormField = ({
   }
 
   const toggleActions = () => setDisplayActions(!displayActions)
-  const markLabel = getToolboxLabelByMarkType(selectedMark.mark.type)
-
+  const markLabel = selectedMark
+    ? getToolboxLabelByMarkType(selectedMark.mark.type)
+    : ''
   const handleCurrentUserMarkClick = (mark: CurrentUserMark) => {
     setComplete(false)
     handleCurrentUserMarkChange(mark)
   }
 
   const handleSelectCompleteMark = () => {
-    handleCurrentUserMarkChange(selectedMark)
+    if (currentUserMarks.length) handleCurrentUserMarkChange(selectedMark!)
     setComplete(true)
   }
 
@@ -106,14 +104,15 @@ const MarkFormField = ({
         <div className={styles.actionsWrapper}>
           <div className={styles.actionsTop}>
             <div className={styles.actionsTopInfo}>
-              {!complete && (
+              {!complete && selectedMark ? (
                 <p className={styles.actionsTopInfoText}>Add {markLabel}</p>
+              ) : (
+                <p className={styles.actionsTopInfoText}>Finish</p>
               )}
-              {complete && <p className={styles.actionsTopInfoText}>Finish</p>}
             </div>
           </div>
           <div className={styles.inputWrapper}>
-            {!complete && (
+            {!complete && selectedMark ? (
               <form onSubmit={(e) => handleFormSubmit(e)}>
                 <MarkInput
                   markType={selectedMark.mark.type}
@@ -129,9 +128,7 @@ const MarkFormField = ({
                   </Button>
                 </div>
               </form>
-            )}
-
-            {complete && (
+            ) : (
               <div className={styles.actionsBottom}>
                 <Button
                   onClick={handleSignAndComplete}
diff --git a/src/components/PDFView/PdfMarking.tsx b/src/components/PDFView/PdfMarking.tsx
index f0d4f60..cbd3907 100644
--- a/src/components/PDFView/PdfMarking.tsx
+++ b/src/components/PDFView/PdfMarking.tsx
@@ -101,21 +101,22 @@ const PdfMarking = (props: PdfMarkingProps) => {
    */
   const handleSubmit = (event: React.MouseEvent<HTMLButtonElement>) => {
     event.preventDefault()
-    if (!selectedMarkValue || !selectedMark) return
+    if (selectedMarkValue && selectedMark) {
+      const updatedMark: CurrentUserMark = getUpdatedMark(
+        selectedMark,
+        selectedMarkValue
+      )
 
-    const updatedMark: CurrentUserMark = getUpdatedMark(
-      selectedMark,
-      selectedMarkValue
-    )
+      setSelectedMarkValue(EMPTY)
+      const updatedCurrentUserMarks = updateCurrentUserMarks(
+        currentUserMarks,
+        updatedMark
+      )
+      setCurrentUserMarks(updatedCurrentUserMarks)
+      setSelectedMark(null)
+      setUpdatedMarks(updatedMark.mark)
+    }
 
-    setSelectedMarkValue(EMPTY)
-    const updatedCurrentUserMarks = updateCurrentUserMarks(
-      currentUserMarks,
-      updatedMark
-    )
-    setCurrentUserMarks(updatedCurrentUserMarks)
-    setSelectedMark(null)
-    setUpdatedMarks(updatedMark.mark)
     handleSign()
   }
 
@@ -152,28 +153,24 @@ const PdfMarking = (props: PdfMarkingProps) => {
           centerIcon={faPen}
           rightIcon={faCircleInfo}
         >
-          {currentUserMarks?.length > 0 && (
-            <PdfView
-              currentFile={currentFile}
-              files={files}
-              handleMarkClick={handleMarkClick}
-              selectedMarkValue={selectedMarkValue}
-              selectedMark={selectedMark}
-              currentUserMarks={currentUserMarks}
-              otherUserMarks={otherUserMarks}
-            />
-          )}
-        </StickySideColumns>
-        {selectedMark !== null && (
-          <MarkFormField
-            handleSubmit={handleSubmit}
-            handleSelectedMarkValueChange={handleChange}
-            selectedMark={selectedMark}
+          <PdfView
+            currentFile={currentFile}
+            files={files}
+            handleMarkClick={handleMarkClick}
             selectedMarkValue={selectedMarkValue}
+            selectedMark={selectedMark}
             currentUserMarks={currentUserMarks}
-            handleCurrentUserMarkChange={handleCurrentUserMarkChange}
+            otherUserMarks={otherUserMarks}
           />
-        )}
+        </StickySideColumns>
+        <MarkFormField
+          handleSubmit={handleSubmit}
+          handleSelectedMarkValueChange={handleChange}
+          selectedMark={selectedMark}
+          selectedMarkValue={selectedMarkValue}
+          currentUserMarks={currentUserMarks}
+          handleCurrentUserMarkChange={handleCurrentUserMarkChange}
+        />
       </Container>
     </>
   )
diff --git a/src/controllers/NostrController.ts b/src/controllers/NostrController.ts
index c3d2908..8e24e91 100644
--- a/src/controllers/NostrController.ts
+++ b/src/controllers/NostrController.ts
@@ -1,9 +1,12 @@
 import { EventTemplate, UnsignedEvent } from 'nostr-tools'
-import { WindowNostr } from 'nostr-tools/nip07'
 import { EventEmitter } from 'tseep'
 import store from '../store/store'
 import { SignedEvent } from '../types'
 import { LoginMethodContext } from '../services/LoginMethodStrategy/loginMethodContext'
+import { clear, unixNow } from '../utils'
+import { LoginMethod } from '../store/auth/types'
+import { logout as nostrLogout } from 'nostr-login'
+import { userLogOutAction } from '../store/actions'
 
 export class NostrController extends EventEmitter {
   private static instance: NostrController
@@ -11,13 +14,6 @@ export class NostrController extends EventEmitter {
   private constructor() {
     super()
   }
-  private getNostrObject = () => {
-    if (window.nostr) return window.nostr as WindowNostr
-
-    throw new Error(
-      `window.nostr object not present. Make sure you have an nostr extension installed/working properly.`
-    )
-  }
 
   public static getInstance(): NostrController {
     if (!NostrController.instance) {
@@ -72,7 +68,22 @@ export class NostrController extends EventEmitter {
     const loginMethod = store.getState().auth.loginMethod
     const context = new LoginMethodContext(loginMethod)
 
-    return await context.signEvent(event)
+    const authkey = store.getState().auth.usersPubkey
+    const signedEvent = await context.signEvent(event)
+    const pubkey = signedEvent.pubkey
+
+    // Forcefully log out the user if we detect missmatch between pubkeys
+    // Allow undefined authkey, intial log in
+    if (authkey && authkey !== pubkey) {
+      if (loginMethod === LoginMethod.nostrLogin) {
+        nostrLogout()
+      }
+      store.dispatch(userLogOutAction())
+      clear()
+      throw new Error('User missmatch.\n\nPlease log in again.')
+    }
+
+    return signedEvent
   }
 
   nip04Encrypt = async (receiver: string, content: string): Promise<string> => {
@@ -97,23 +108,37 @@ export class NostrController extends EventEmitter {
   }
 
   /**
-   * Function will capture the public key from the nostr extension or if no extension present
-   * function wil capture the public key from the local storage
+   * Function will capture the public key from signedEvent
    */
   capturePublicKey = async (): Promise<string> => {
-    const nostr = this.getNostrObject()
-    const pubKey = await nostr.getPublicKey().catch((err: unknown) => {
-      if (err instanceof Error) {
-        return Promise.reject(err.message)
-      } else {
-        return Promise.reject(JSON.stringify(err))
+    try {
+      const timestamp = unixNow()
+      const { href } = window.location
+
+      const authEvent: EventTemplate = {
+        kind: 27235,
+        tags: [
+          ['u', href],
+          ['method', 'GET']
+        ],
+        content: '',
+        created_at: timestamp
       }
-    })
 
-    if (!pubKey) {
-      return Promise.reject('Error getting public key, user canceled')
+      const signedAuthEvent = await this.signEvent(authEvent)
+      const pubkey = signedAuthEvent.pubkey
+
+      if (!pubkey) {
+        return Promise.reject('Error getting public key, user canceled')
+      }
+
+      return Promise.resolve(pubkey)
+    } catch (error) {
+      if (error instanceof Error) {
+        return Promise.reject(error.message)
+      } else {
+        return Promise.reject(JSON.stringify(error))
+      }
     }
-
-    return Promise.resolve(pubKey)
   }
 }
diff --git a/src/layouts/Main.tsx b/src/layouts/Main.tsx
index 3e6be26..5410dec 100644
--- a/src/layouts/Main.tsx
+++ b/src/layouts/Main.tsx
@@ -58,12 +58,12 @@ export const MainLayout = () => {
   }
 
   const login = useCallback(async () => {
+    dispatch(updateLoginMethod(LoginMethod.nostrLogin))
+
     const nostrController = NostrController.getInstance()
     const authController = new AuthController()
     const pubkey = await nostrController.capturePublicKey()
 
-    dispatch(updateLoginMethod(LoginMethod.nostrLogin))
-
     const redirectPath =
       await authController.authAndGetMetadataAndRelaysMap(pubkey)
 
diff --git a/src/utils/mark.ts b/src/utils/mark.ts
index 2c0b339..f455ea9 100644
--- a/src/utils/mark.ts
+++ b/src/utils/mark.ts
@@ -123,15 +123,19 @@ const isLast = <T>(index: number, arr: T[]) => index === arr.length - 1
 
 const isCurrentValueLast = (
   currentUserMarks: CurrentUserMark[],
-  selectedMark: CurrentUserMark,
+  selectedMark: CurrentUserMark | null,
   selectedMarkValue: string
 ) => {
-  const filteredMarks = currentUserMarks.filter(
-    (mark) => mark.id !== selectedMark.id
-  )
-  return (
-    isCurrentUserMarksComplete(filteredMarks) && selectedMarkValue.length > 0
-  )
+  if (selectedMark && currentUserMarks.length > 0) {
+    const filteredMarks = currentUserMarks.filter(
+      (mark) => mark.id !== selectedMark.id
+    )
+    return (
+      isCurrentUserMarksComplete(filteredMarks) && selectedMarkValue.length > 0
+    )
+  }
+
+  return true
 }
 
 const getUpdatedMark = (
diff --git a/src/utils/nostr.ts b/src/utils/nostr.ts
index abf9cac..de49b65 100644
--- a/src/utils/nostr.ts
+++ b/src/utils/nostr.ts
@@ -365,11 +365,21 @@ export const createWrap = (unsignedEvent: UnsignedEvent, receiver: string) => {
  * @returns The user application data or null if an error occurs or no data is found.
  */
 export const getUsersAppData = async (): Promise<UserAppData | null> => {
+  // Get an instance of the NostrController
+  const nostrController = NostrController.getInstance()
+
   // Initialize an array to hold relay URLs
   const relays: string[] = []
 
   // Retrieve the user's public key and relay map from the Redux store
   const usersPubkey = store.getState().auth.usersPubkey!
+
+  // Decryption can fail down in the code if extension options changed
+  // Forcefully log out the user if we detect missmatch between pubkeys
+  if (usersPubkey !== (await nostrController.capturePublicKey())) {
+    return null
+  }
+
   const relayMap = store.getState().relays?.map
 
   // Check if relayMap is undefined in the Redux store
@@ -450,9 +460,6 @@ export const getUsersAppData = async (): Promise<UserAppData | null> => {
     }
   }
 
-  // Get an instance of the NostrController
-  const nostrController = NostrController.getInstance()
-
   // Decrypt the encrypted content
   const decrypted = await nostrController
     .nip04Decrypt(usersPubkey, encryptedContent)