diff --git a/src/application/controller/api/user/profile.php b/src/application/controller/api/user/profile.php
index ead5216..8dff279 100644
--- a/src/application/controller/api/user/profile.php
+++ b/src/application/controller/api/user/profile.php
@@ -52,7 +52,6 @@ if (isset($_SESSION['userName'])) {
 
       $profile = [
         'userName'   => $userName,
-        'seq'        => $profileInfo['seq'],
         'fullName'   => $profileInfo['fullName'],
         'location'   => $profileInfo['location'],
         'url'        => $profileInfo['url'],
diff --git a/src/application/controller/settings/profile.php b/src/application/controller/settings/profile.php
index e938c90..24cc35f 100644
--- a/src/application/controller/settings/profile.php
+++ b/src/application/controller/settings/profile.php
@@ -22,13 +22,13 @@ $metaScripts = [
 ];
 
 // Init variables
-$seq             = false;
 $fullName        = false;
 $location        = false;
 $url             = false;
 $bitMessage      = false;
 $tox             = false;
 $bio             = false;
+$avatar          = false;
 
 $errorFullName   = false;
 $errorLocation   = false;
@@ -41,7 +41,6 @@ $errorBio        = false;
 if (isset($_POST) && !empty($_POST)) {
 
   // Prepare request
-  $seq        = isset($_POST['seq'])        ? $_POST['seq']        : 0;
   $fullName   = isset($_POST['fullName'])   ? $_POST['fullName']   : '';
   $location   = isset($_POST['location'])   ? $_POST['location']   : '';
   $url        = isset($_POST['url'])        ? $_POST['url']        : '';
@@ -49,35 +48,76 @@ if (isset($_POST) && !empty($_POST)) {
   $tox        = isset($_POST['tox'])        ? $_POST['tox']        : '';
   $bio        = isset($_POST['bio'])        ? $_POST['bio']        : '';
 
-  // Increase revision number
-  $seq++;
-
   // Get current block number
   $blockId = $_modelBlock->getThisBlock();
 
-  // Save revision to DHT
-  $userProfileVersions = $_twister->putDHT( $_SESSION['userName'],
-                                            'profile',
-                                            's',
-                                            [
-                                              'fullname'   => $fullName,
-                                              'location'   => $location,
-                                              'url'        => $url,
-                                              'bitmessage' => $bitMessage,
-                                              'tox'        => $tox,
-                                              'bio'        => $bio,
-                                            ],
-                                            $_SESSION['userName'],
-                                            $seq);
-
-  // Save revision to DB
+  // Avatar provided
+  if (isset($_FILES['avatar']['tmp_name']) && getimagesize($_FILES['avatar']['tmp_name'])) {
+
+    // Prepare image
+    $image = new Imagick();
+
+    $image->readImage($_FILES['avatar']['tmp_name']);
+    $image->resizeImage(64, 64, 1, false);
+    $image->setImageFormat('jpeg');
+    $image->setCompressionQuality(100);
+
+    // Encode base 64
+    $avatar = 'data:image/jpeg;base64,' . base64_encode($image->getImageBlob());
+
+    // Get avatar revision
+    $avatarSeq = $_modelAvatar->getMaxSeq($_SESSION['userId']) + 1;
+
+    // Save avatar revision to DHT
+    $_twister->putDHT($_SESSION['userName'],
+                      'avatar',
+                      's',
+                      $avatar,
+                      $_SESSION['userName'],
+                      $avatarSeq);
+
+    // Save avatar revision to DB
+    if (!$_modelAvatar->versionExists($_SESSION['userId'],
+                                      $blockId,
+                                      $avatarSeq)) {
+
+      $_modelAvatar->add( $_SESSION['userId'],
+                          $blockId,
+                          $avatarSeq,
+                          time(),
+                          $avatar);
+    }
+
+    // Update avatar cache
+    $_memcache->set('api.user.avatar.' . $_SESSION['userName'], $avatar, MEMCACHE_COMPRESS, MEMCACHE_DHT_AVATAR_TIMEOUT);
+  }
+
+  // Get profile revision
+  $profileSeq = $_modelProfile->getMaxSeq($_SESSION['userId']) + 1;
+
+  // Save profile revision to DHT
+  $_twister->putDHT($_SESSION['userName'],
+                    'profile',
+                    's',
+                    [
+                      'fullname'   => $fullName,
+                      'location'   => $location,
+                      'url'        => $url,
+                      'bitmessage' => $bitMessage,
+                      'tox'        => $tox,
+                      'bio'        => $bio,
+                    ],
+                    $_SESSION['userName'],
+                    $profileSeq);
+
+  // Save profile revision to DB
   if (!$_modelProfile->versionExists($_SESSION['userId'],
                                      $blockId,
-                                     $seq)) {
+                                     $profileSeq)) {
 
       $_modelProfile->add($_SESSION['userId'],
                           $blockId,
-                          $seq,
+                          $profileSeq,
                           time(),
                           $fullName,
                           $bio,
@@ -87,10 +127,10 @@ if (isset($_POST) && !empty($_POST)) {
                           $tox);
   }
 
+  // Update profile cache
   $_memcache->replace('api.user.profile.' . $_SESSION['userName'],
                       [
                         'userName'   => $_SESSION['userName'],
-                        'seq'        => $seq,
                         'fullName'   => $fullName,
                         'location'   => $location,
                         'url'        => $url,
@@ -103,10 +143,56 @@ if (isset($_POST) && !empty($_POST)) {
 
 }
 
+// Get avatar details
+if ($userAvatar = $_memcache->get('api.user.avatar.' . $_SESSION['userName'])) {
+
+  $avatar = $userAvatar;
+
+} else if ($avatarVersions = $_twister->getDHT($_SESSION['userName'], 'avatar', 's')) {
+
+  // Add DHT version if not exists
+  foreach ($avatarVersions as $avatarVersion) {
+
+    if (!$_modelAvatar->versionExists($_SESSION['userId'],
+                                      $avatarVersion['p']['height'],
+                                      $avatarVersion['p']['seq'])) {
+
+      $_modelAvatar->add( $_SESSION['userId'],
+                          $avatarVersion['p']['height'],
+                          $avatarVersion['p']['seq'],
+                          $avatarVersion['p']['time'],
+                          $avatarVersion['p']['v']);
+    }
+  }
+
+  // Get latest version available
+  if ($avatarInfo = $_modelAvatar->get($_SESSION['userId'])) {
+
+    $avatar = $avatarInfo['data'];
+
+    $_memcache->set('api.user.avatar.' . $_SESSION['userName'], $avatarInfo['data'], MEMCACHE_COMPRESS, MEMCACHE_DHT_AVATAR_TIMEOUT);
+  }
+
+// Generate identity icon
+} else {
+
+  $fileName = md5($_SESSION['userName']);
+  $filePath = PROJECT_DIR . '/cache/image/' . $fileName . '.jpeg';
+
+  if (!file_exists($filePath)) {
+
+    $icon  = new Icon();
+    $image = $icon->generateImageResource($fileName, 42, 42, false);
+
+    file_put_contents($filePath, $image);
+  }
+
+  $avatar = sprintf('data:image/jpeg;base64,%s', base64_encode(file_get_contents($filePath)));
+}
+
 // Get profile details
 if ($profile = $_memcache->get('api.user.profile.' . $_SESSION['userName'])) {
 
-  $seq        = $profile['seq'];
   $fullName   = $profile['fullName'];
   $location   = $profile['location'];
   $url        = $profile['url'];
@@ -116,30 +202,26 @@ if ($profile = $_memcache->get('api.user.profile.' . $_SESSION['userName'])) {
 
 } else if ($userProfileVersions = $_twister->getDHT($_SESSION['userName'], 'profile', 's')) {
 
-  // Check user exists
-  if ($userId = $_modelUser->getUserId($_SESSION['userName'])) {
-
-    // Add DHT version if not exists
-    foreach ($userProfileVersions as $userProfileVersion) {
+  // Add DHT version if not exists
+  foreach ($userProfileVersions as $userProfileVersion) {
 
-      if (!$_modelProfile->versionExists($userId,
-                                         $userProfileVersion['p']['height'],
-                                         $userProfileVersion['p']['seq'])) {
+    if (!$_modelProfile->versionExists($_SESSION['userId'],
+                                       $userProfileVersion['p']['height'],
+                                       $userProfileVersion['p']['seq'])) {
 
-        $profile = $userProfileVersion['p']['v'];
+      $profile = $userProfileVersion['p']['v'];
 
-        $_modelProfile->add($userId,
-                            $userProfileVersion['p']['height'],
-                            $userProfileVersion['p']['seq'],
-                            $userProfileVersion['p']['time'],
-
-                            isset($profile['fullname'])   ? $profile['fullname']   : '',
-                            isset($profile['bio'])        ? $profile['bio']        : '',
-                            isset($profile['location'])   ? $profile['location']   : '',
-                            isset($profile['url'])        ? $profile['url']        : '',
-                            isset($profile['bitmessage']) ? $profile['bitmessage'] : '',
-                            isset($profile['tox'])        ? $profile['tox']        : '');
-      }
+      $_modelProfile->add($_SESSION['userId'],
+                          $userProfileVersion['p']['height'],
+                          $userProfileVersion['p']['seq'],
+                          $userProfileVersion['p']['time'],
+
+                          isset($profile['fullname'])   ? $profile['fullname']   : '',
+                          isset($profile['bio'])        ? $profile['bio']        : '',
+                          isset($profile['location'])   ? $profile['location']   : '',
+                          isset($profile['url'])        ? $profile['url']        : '',
+                          isset($profile['bitmessage']) ? $profile['bitmessage'] : '',
+                          isset($profile['tox'])        ? $profile['tox']        : '');
     }
   }
 
@@ -148,7 +230,6 @@ if ($profile = $_memcache->get('api.user.profile.' . $_SESSION['userName'])) {
 
     $profile = [
       'userName'   => $_SESSION['userName'],
-      'seq'        => $profileInfo['seq'],
       'fullName'   => $profileInfo['fullName'],
       'location'   => $profileInfo['location'],
       'url'        => $profileInfo['url'],
@@ -157,7 +238,6 @@ if ($profile = $_memcache->get('api.user.profile.' . $_SESSION['userName'])) {
       'bio'        => $profileInfo['bio'],
     ];
 
-    $seq        = $profile['seq'];
     $fullName   = $profile['fullName'];
     $location   = $profile['location'];
     $url        = $profile['url'];
diff --git a/src/application/model/avatar.php b/src/application/model/avatar.php
index 95e886c..84f83eb 100644
--- a/src/application/model/avatar.php
+++ b/src/application/model/avatar.php
@@ -23,6 +23,23 @@ class ModelAvatar extends Model {
     }
   }
 
+  public function getMaxSeq(int $userId) {
+
+    try {
+
+      $query = $this->_db->prepare("SELECT MAX(`seq`) AS `revision` FROM `avatar` WHERE `userId` = ?");
+
+      $query->execute([$userId]);
+
+      return (int) $query->fetch()['revision'];
+
+    } catch (PDOException $e) {
+
+      trigger_error($e->getMessage());
+      return false;
+    }
+  }
+
   public function versionExists(int $userId, int $blockId, int $seq) {
 
     try {
diff --git a/src/application/model/profile.php b/src/application/model/profile.php
index e8101c3..8cc4a21 100644
--- a/src/application/model/profile.php
+++ b/src/application/model/profile.php
@@ -23,6 +23,23 @@ class ModelProfile extends Model {
     }
   }
 
+  public function getMaxSeq(int $userId) {
+
+    try {
+
+      $query = $this->_db->prepare("SELECT MAX(`seq`) + 1 AS `revision` FROM  `profile` WHERE `userId` = ?");
+
+      $query->execute([$userId]);
+
+      return (int) $query->fetch()['revision'];
+
+    } catch (PDOException $e) {
+
+      trigger_error($e->getMessage());
+      return false;
+    }
+  }
+
   public function versionExists(int $userId, int $blockId, int $seq) {
 
     try {
diff --git a/src/application/view/settings/profile.phtml b/src/application/view/settings/profile.phtml
index 27c467c..596b9fd 100644
--- a/src/application/view/settings/profile.phtml
+++ b/src/application/view/settings/profile.phtml
@@ -7,8 +7,11 @@
   <div class="left">
     <div class="settingsProfile">
       <h1><?php echo $pageTitle ?></h1>
-      <form action="settings" name="profile" method="POST">
-        <input type="hidden" name="seq" value="<?php echo $seq ?>" />
+      <form action="settings" name="profile" enctype="multipart/form-data" method="POST">
+        <div class="avatar">
+          <img src="<?php echo $avatar ?>" alt="" />
+          <input name="avatar" type="file" value="" />
+        </div>
         <label for="fullName"><?php echo _('Full name') ?></label>
         <input type="text" name="fullName" id="fullName" value="<?php echo $fullName ?>" placeholder="<?php echo _('Not provided') ?>" />
         <?php if ($errorFullName) { ?>
diff --git a/src/public/css/template/default/settings/profile.css b/src/public/css/template/default/settings/profile.css
index b96c3a0..ca4100f 100644
--- a/src/public/css/template/default/settings/profile.css
+++ b/src/public/css/template/default/settings/profile.css
@@ -1,3 +1,17 @@
+.settingsProfile .avatar {
+  margin-bottom: 32px;
+  padding-bottom: 16px;
+  border-bottom: 1px #4d5666 solid;;
+}
+
+.settingsProfile .avatar img {
+  border-radius: 50%;
+  border: 2px #fff solid;
+  vertical-align: middle;
+  margin-right: 16px;
+  width: 42px;
+}
+
 .settingsProfile form {
   background: rgba(39, 46, 57, 0.28);
   padding: 16px;
@@ -18,7 +32,11 @@
   color: #fff
 }
 
-.settingsProfile form input:focus {
+.settingsProfile form input[type="file"] {
+  width: 302px
+}
+
+.settingsProfile form input[type="text"]:focus {
   background: rgb(238, 238, 238);
   color: #1c1d1e
 }