diff --git a/documentation/Dotkernel_API.postman_collection.json b/documentation/Dotkernel_API.postman_collection.json
index 3360a72..595fdba 100644
--- a/documentation/Dotkernel_API.postman_collection.json
+++ b/documentation/Dotkernel_API.postman_collection.json
@@ -73,7 +73,7 @@
 								"header": [],
 								"body": {
 									"mode": "raw",
-									"raw": "{\r\n    \"identity\": \"{{$randomUserName}}\",\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"firstName\": \"{{$randomFirstName}}\",\r\n    \"lastName\": \"{{$randomLastName}}\",\r\n    \"status\": \"active\",\r\n    \"roles\": [\r\n        {\r\n            \"uuid\": \"{{$randomUUID}}\"\r\n        }\r\n    ]\r\n}",
+									"raw": "{\r\n    \"identity\": \"{{$randomUserName}}\",\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"firstName\": \"{{$randomFirstName}}\",\r\n    \"lastName\": \"{{$randomLastName}}\",\r\n    \"status\": \"active\",\r\n    \"roles\": [\r\n        {\r\n            \"id\": \"{{$randomUUID}}\"\r\n        }\r\n    ]\r\n}",
 									"options": {
 										"raw": {
 											"language": "json"
@@ -178,7 +178,7 @@
 								"header": [],
 								"body": {
 									"mode": "raw",
-									"raw": "{\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"firstName\": \"{{$randomFirstName}}\",\r\n    \"lastName\": \"{{$randomLastName}}\",\r\n    \"roles\": [\r\n        {\r\n            \"uuid\": \"{{$randomUUID}}\"\r\n        }\r\n    ],\r\n    \"status\": \"active\"\r\n}",
+									"raw": "{\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"firstName\": \"{{$randomFirstName}}\",\r\n    \"lastName\": \"{{$randomLastName}}\",\r\n    \"roles\": [\r\n        {\r\n            \"id\": \"{{$randomUUID}}\"\r\n        }\r\n    ],\r\n    \"status\": \"active\"\r\n}",
 									"options": {
 										"raw": {
 											"language": "json"
@@ -209,7 +209,8 @@
 											""
 										],
 										"type": "text/javascript",
-										"packages": {}
+										"packages": {},
+										"requests": {}
 									}
 								}
 							],
@@ -1176,7 +1177,9 @@
 										"exec": [
 											""
 										],
-										"type": "text/javascript"
+										"type": "text/javascript",
+										"packages": {},
+										"requests": {}
 									}
 								}
 							],
@@ -1185,7 +1188,7 @@
 								"header": [],
 								"body": {
 									"mode": "raw",
-									"raw": "{\r\n    \"identity\": \"{{$randomUserName}}\",\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"status\": \"pending\",\r\n    \"detail\": {\r\n        \"firstName\": \"{{$randomFirstName}}\",\r\n        \"lastName\": \"{{$randomLastName}}\",\r\n        \"email\": \"{{$randomExampleEmail}}\"\r\n    },\r\n    \"roles\": [\r\n        {\r\n            \"uuid\": \"{{$randomUUID}}\"\r\n        }\r\n    ]\r\n}",
+									"raw": "{\r\n    \"identity\": \"{{$randomUserName}}\",\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"status\": \"pending\",\r\n    \"detail\": {\r\n        \"firstName\": \"{{$randomFirstName}}\",\r\n        \"lastName\": \"{{$randomLastName}}\",\r\n        \"email\": \"{{$randomExampleEmail}}\"\r\n    },\r\n    \"roles\": [\r\n        {\r\n            \"id\": \"{{$randomUUID}}\"\r\n        }\r\n    ]\r\n}",
 									"options": {
 										"raw": {
 											"language": "json"
@@ -1314,7 +1317,7 @@
 								"header": [],
 								"body": {
 									"mode": "raw",
-									"raw": "{\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"status\": \"active\",\r\n    \"detail\": {\r\n        \"firstName\": \"{{$randomFirstName}}\",\r\n        \"lastName\": \"{{$randomLastName}}\",\r\n        \"email\": \"{{$randomExampleEmail}}\"\r\n    },\r\n    \"roles\": [\r\n        {\r\n            \"uuid\": \"{{$randomUUID}}\"\r\n        }\r\n    ]\r\n}",
+									"raw": "{\r\n    \"password\": \"dotkernel\",\r\n    \"passwordConfirm\": \"dotkernel\",\r\n    \"status\": \"active\",\r\n    \"detail\": {\r\n        \"firstName\": \"{{$randomFirstName}}\",\r\n        \"lastName\": \"{{$randomLastName}}\",\r\n        \"email\": \"{{$randomExampleEmail}}\"\r\n    },\r\n    \"roles\": [\r\n        {\r\n            \"id\": \"{{$randomUUID}}\"\r\n        }\r\n    ]\r\n}",
 									"options": {
 										"raw": {
 											"language": "json"
diff --git a/src/Admin/src/Command/AdminCreateCommand.php b/src/Admin/src/Command/AdminCreateCommand.php
index 7e9010e..d251e80 100644
--- a/src/Admin/src/Command/AdminCreateCommand.php
+++ b/src/Admin/src/Command/AdminCreateCommand.php
@@ -99,7 +99,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
      *     firstName: string,
      *     lastName: string,
      *     status: 'active',
-     *     roles: array{uuid: non-empty-string}[],
+     *     roles: array{id: non-empty-string}[],
      * }
      * @throws Exception
      */
@@ -118,7 +118,7 @@ private function getData(InputInterface $input): array
             'lastName'        => trim($input->getOption('lastName')),
             'status'          => AdminStatusEnum::Active->value,
             'roles'           => [
-                ['uuid' => $adminRole->getUuid()->toString()],
+                ['id' => $adminRole->getId()->toString()],
             ],
         ];
     }
diff --git a/src/Admin/src/InputFilter/AdminRoleInputFilter.php b/src/Admin/src/InputFilter/AdminRoleInputFilter.php
index 2e1c962..82c10f0 100644
--- a/src/Admin/src/InputFilter/AdminRoleInputFilter.php
+++ b/src/Admin/src/InputFilter/AdminRoleInputFilter.php
@@ -9,7 +9,7 @@
 
 /**
  * @phpstan-type AdminRoleDataType array{
- *     uuid: non-empty-string,
+ *     id: non-empty-string,
  * }
  * @extends AbstractInputFilter<AdminRoleDataType>
  */
@@ -17,6 +17,6 @@ class AdminRoleInputFilter extends AbstractInputFilter
 {
     public function __construct()
     {
-        $this->add(new UuidInput('uuid'));
+        $this->add(new UuidInput('id'));
     }
 }
diff --git a/src/Admin/src/OpenAPI.php b/src/Admin/src/OpenAPI.php
index 4207cea..7ceb480 100644
--- a/src/Admin/src/OpenAPI.php
+++ b/src/Admin/src/OpenAPI.php
@@ -118,9 +118,9 @@
                     property: 'roles',
                     type: 'array',
                     items: new OA\Items(
-                        required: ['uuid'],
+                        required: ['id'],
                         properties: [
-                            new OA\Property(property: 'uuid', type: 'string'),
+                            new OA\Property(property: 'id', type: 'string'),
                         ],
                     ),
                 ),
@@ -157,15 +157,15 @@
  * @see DeleteAdminResourceHandler::handle()
  */
 #[OA\Delete(
-    path: '/admin/{uuid}',
-    description: 'Authenticated (super)admin deletes an admin account identified by its UUID',
+    path: '/admin/{id}',
+    description: 'Authenticated (super)admin deletes an admin account identified by its id',
     summary: 'Admin deletes an admin account',
     security: [['AuthToken' => []]],
     tags: ['Admin'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'Admin UUID',
+            name: 'id',
+            description: 'Admin id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -187,15 +187,15 @@
  * @see GetAdminResourceHandler::handle()
  */
 #[OA\Get(
-    path: '/admin/{uuid}',
-    description: 'Authenticated (super)admin fetches an admin account identified by its UUID',
+    path: '/admin/{id}',
+    description: 'Authenticated (super)admin fetches an admin account identified by its id',
     summary: 'Admin fetches an admin account',
     security: [['AuthToken' => []]],
     tags: ['Admin'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'Admin UUID',
+            name: 'id',
+            description: 'Admin id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -218,7 +218,7 @@
  * @see PatchAdminResourceHandler::handle()
  */
 #[OA\Patch(
-    path: '/admin/{uuid}',
+    path: '/admin/{id}',
     description: 'Authenticated (super)admin updates an existing admin account',
     summary: 'Admin updates an admin account',
     security: [['AuthToken' => []]],
@@ -236,9 +236,9 @@
                     property: 'roles',
                     type: 'array',
                     items: new OA\Items(
-                        required: ['uuid'],
+                        required: ['id'],
                         properties: [
-                            new OA\Property(property: 'uuid', type: 'string'),
+                            new OA\Property(property: 'id', type: 'string'),
                         ],
                     ),
                 ),
@@ -249,8 +249,8 @@
     tags: ['Admin'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'Admin UUID',
+            name: 'id',
+            description: 'Admin id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -352,15 +352,15 @@
  * @see GetAdminRoleResourceHandler::handle()
  */
 #[OA\Get(
-    path: '/admin/role/{uuid}',
-    description: 'Authenticated (super)admin fetches an admin role identified by its UUID',
+    path: '/admin/role/{id}',
+    description: 'Authenticated (super)admin fetches an admin role identified by its id',
     summary: 'Admin fetches an admin role',
     security: [['AuthToken' => []]],
     tags: ['AdminRole'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'Admin role UUID',
+            name: 'id',
+            description: 'Admin role id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -418,9 +418,9 @@
                     property: 'roles',
                     type: 'array',
                     items: new OA\Items(
-                        required: ['uuid'],
+                        required: ['id'],
                         properties: [
-                            new OA\Property(property: 'uuid', type: 'string'),
+                            new OA\Property(property: 'id', type: 'string'),
                         ],
                     ),
                 ),
@@ -444,7 +444,7 @@
 #[OA\Schema(
     schema: 'Admin',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(property: 'identity', type: 'string'),
         new OA\Property(property: 'firstName', type: 'string'),
         new OA\Property(property: 'lastName', type: 'string'),
@@ -454,7 +454,7 @@
             type: 'array',
             items: new OA\Items(
                 properties: [
-                    new OA\Property(property: 'uuid', type: 'string'),
+                    new OA\Property(property: 'id', type: 'string'),
                     new OA\Property(property: 'name', type: 'string', example: AdminRoleEnum::Admin->value),
                 ],
                 type: 'object',
@@ -489,7 +489,7 @@
 #[OA\Schema(
     schema: 'AdminRole',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(property: 'name', type: 'string', example: AdminRoleEnum::Admin->value),
         new OA\Property(
             property: '_links',
diff --git a/src/Admin/src/RoutesDelegator.php b/src/Admin/src/RoutesDelegator.php
index 35a6e75..fbcce60 100644
--- a/src/Admin/src/RoutesDelegator.php
+++ b/src/Admin/src/RoutesDelegator.php
@@ -28,7 +28,7 @@ class RoutesDelegator
      */
     public function __invoke(ContainerInterface $container, string $serviceName, callable $callback): Application
     {
-        $uuid = ConfigProvider::REGEXP_UUID;
+        $id = ConfigProvider::REGEXP_UUID;
 
         /** @var RouteCollectorInterface $routeCollector */
         $routeCollector = $container->get(RouteCollectorInterface::class);
@@ -37,14 +37,14 @@ public function __invoke(ContainerInterface $container, string $serviceName, cal
             ->get('', GetAdminCollectionHandler::class, 'admin::list-admin')
             ->post('', PostAdminResourceHandler::class, 'admin::create-admin');
 
-        $routeCollector->group('/admin/' . $uuid)
+        $routeCollector->group('/admin/' . $id)
             ->delete('', DeleteAdminResourceHandler::class, 'admin::delete-admin')
             ->get('', GetAdminResourceHandler::class, 'admin::view-admin')
             ->patch('', PatchAdminResourceHandler::class, 'admin::update-admin');
 
         $routeCollector->group('/admin/role')
             ->get('', GetAdminRoleCollectionHandler::class, 'admin::list-role')
-            ->get('/' . $uuid, GetAdminRoleResourceHandler::class, 'admin::view-role');
+            ->get('/' . $id, GetAdminRoleResourceHandler::class, 'admin::view-role');
 
         $routeCollector->group('/admin/account')
             ->get('', GetAdminAccountResourceHandler::class, 'admin::view-account')
diff --git a/src/Admin/src/Service/AdminService.php b/src/Admin/src/Service/AdminService.php
index 8864b6e..24b33cc 100644
--- a/src/Admin/src/Service/AdminService.php
+++ b/src/Admin/src/Service/AdminService.php
@@ -47,9 +47,9 @@ public function deleteAdmin(Admin $admin): void
     /**
      * @throws NotFoundException
      */
-    public function findAdmin(string $uuid): Admin
+    public function findAdmin(string $id): Admin
     {
-        $admin = $this->adminRepository->find($uuid);
+        $admin = $this->adminRepository->find($id);
         if (! $admin instanceof Admin) {
             throw NotFoundException::create(Message::ADMIN_NOT_FOUND);
         }
@@ -119,12 +119,12 @@ public function saveAdmin(array $data, ?Admin $admin = null): Admin
             $admin->setStatus($status);
         }
 
-        $this->validateUniqueAdmin((string) $admin->getIdentity(), $admin->getUuid());
+        $this->validateUniqueAdmin((string) $admin->getIdentity(), $admin->getId());
 
         if (array_key_exists('roles', $data) && count($data['roles']) > 0) {
             $admin->resetRoles();
             foreach ($data['roles'] as $roleData) {
-                $adminRole = $this->adminRoleRepository->find($roleData['uuid']);
+                $adminRole = $this->adminRoleRepository->find($roleData['id']);
                 if (! $adminRole instanceof AdminRole) {
                     throw NotFoundException::create(Message::ROLE_NOT_FOUND);
                 }
@@ -144,14 +144,14 @@ public function saveAdmin(array $data, ?Admin $admin = null): Admin
     /**
      * @throws ConflictException
      */
-    public function validateUniqueAdmin(string $identity, ?UuidInterface $uuid = null): void
+    public function validateUniqueAdmin(string $identity, ?UuidInterface $id = null): void
     {
         $admin = $this->adminRepository->findOneBy(['identity' => $identity]);
         if ($admin instanceof Admin) {
-            if ($uuid === null) {
+            if ($id === null) {
                 throw ConflictException::create(Message::DUPLICATE_IDENTITY);
             }
-            if ($admin->getUuid()->toString() !== $uuid->toString()) {
+            if (! $admin->getId()->equals($id)) {
                 throw ConflictException::create(Message::DUPLICATE_IDENTITY);
             }
         }
diff --git a/src/Admin/src/Service/AdminServiceInterface.php b/src/Admin/src/Service/AdminServiceInterface.php
index 42e01ac..b721a76 100644
--- a/src/Admin/src/Service/AdminServiceInterface.php
+++ b/src/Admin/src/Service/AdminServiceInterface.php
@@ -20,7 +20,7 @@ public function deleteAdmin(Admin $admin): void;
     /**
      * @throws NotFoundException
      */
-    public function findAdmin(string $uuid): Admin;
+    public function findAdmin(string $id): Admin;
 
     /**
      * @param array<non-empty-string, mixed> $params
diff --git a/src/App/src/Attribute/Resource.php b/src/App/src/Attribute/Resource.php
index 7fef438..7ca0e8a 100644
--- a/src/App/src/Attribute/Resource.php
+++ b/src/App/src/Attribute/Resource.php
@@ -18,8 +18,8 @@
      */
     public function __construct(
         public string $entity,
-        public string $identifier = 'uuid',
-        public string $placeholder = 'uuid',
+        public string $identifier = 'id',
+        public string $placeholder = 'id',
         public ?string $guard = null,
     ) {
     }
diff --git a/src/App/src/ConfigProvider.php b/src/App/src/ConfigProvider.php
index 31504d0..77ef179 100644
--- a/src/App/src/ConfigProvider.php
+++ b/src/App/src/ConfigProvider.php
@@ -127,8 +127,8 @@ public static function getCollection(string $collectionClass, string $route, str
     public static function getResource(
         string $resourceClass,
         string $route,
-        string $resourceIdentifier = 'uuid',
-        string $resourceIdentifierPlaceholder = 'uuid'
+        string $resourceIdentifier = 'id',
+        string $resourceIdentifierPlaceholder = 'id'
     ): array {
         return [
             '__class__'                    => RouteBasedResourceMetadata::class,
diff --git a/src/Core/src/Admin/src/Entity/Admin.php b/src/Core/src/Admin/src/Entity/Admin.php
index cb2bd08..b9badb8 100644
--- a/src/Core/src/Admin/src/Entity/Admin.php
+++ b/src/Core/src/Admin/src/Entity/Admin.php
@@ -10,6 +10,7 @@
 use Core\App\Entity\PasswordTrait;
 use Core\App\Entity\RoleInterface;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\Setting\Entity\Setting;
 use DateTimeImmutable;
 use Doctrine\Common\Collections\ArrayCollection;
@@ -29,6 +30,7 @@ class Admin extends AbstractEntity implements UserEntityInterface
 {
     use PasswordTrait;
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     /** @var non-empty-string|null $identity */
     #[ORM\Column(name: 'identity', type: 'string', length: 191, unique: true)]
@@ -53,8 +55,8 @@ enumType: AdminStatusEnum::class,
     /** @var Collection<int, RoleInterface> $roles */
     #[ORM\ManyToMany(targetEntity: AdminRole::class)]
     #[ORM\JoinTable(name: 'admin_roles')]
-    #[ORM\JoinColumn(name: 'userUuid', referencedColumnName: 'uuid')]
-    #[ORM\InverseJoinColumn(name: 'roleUuid', referencedColumnName: 'uuid')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id')]
+    #[ORM\InverseJoinColumn(name: 'role_id', referencedColumnName: 'id')]
     protected Collection $roles;
 
     /** @var Collection<int, Setting> $settings */
@@ -65,7 +67,6 @@ public function __construct()
     {
         parent::__construct();
 
-        $this->created();
         $this->roles    = new ArrayCollection();
         $this->settings = new ArrayCollection();
     }
@@ -219,7 +220,7 @@ public function getIdentifier(): string
 
     /**
      * @return array{
-     *      uuid: non-empty-string,
+     *      id: non-empty-string,
      *      identity: non-empty-string|null,
      *      firstName: string|null,
      *      lastName: string|null,
@@ -232,7 +233,7 @@ public function getIdentifier(): string
     public function getArrayCopy(): array
     {
         return [
-            'uuid'      => $this->uuid->toString(),
+            'id'        => $this->id->toString(),
             'identity'  => $this->identity,
             'firstName' => $this->firstName,
             'lastName'  => $this->lastName,
diff --git a/src/Core/src/Admin/src/Entity/AdminIdentity.php b/src/Core/src/Admin/src/Entity/AdminIdentity.php
index dc3f50d..27559b1 100644
--- a/src/Core/src/Admin/src/Entity/AdminIdentity.php
+++ b/src/Core/src/Admin/src/Entity/AdminIdentity.php
@@ -14,7 +14,7 @@ class AdminIdentity implements UserInterface
      * @param array<non-empty-string, string> $details
      */
     public function __construct(
-        public string $uuid,
+        public string $id,
         public string $identity,
         public AdminStatusEnum $status,
         public array $roles = [],
@@ -22,9 +22,9 @@ public function __construct(
     ) {
     }
 
-    public function getUuid(): string
+    public function getId(): string
     {
-        return $this->uuid;
+        return $this->id;
     }
 
     public function getIdentity(): string
diff --git a/src/Core/src/Admin/src/Entity/AdminLogin.php b/src/Core/src/Admin/src/Entity/AdminLogin.php
index 46b1790..870ddcf 100644
--- a/src/Core/src/Admin/src/Entity/AdminLogin.php
+++ b/src/Core/src/Admin/src/Entity/AdminLogin.php
@@ -7,6 +7,7 @@
 use Core\Admin\Repository\AdminLoginRepository;
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\App\Enum\SuccessFailureEnum;
 use Core\App\Enum\YesNoEnum;
 use DateTimeImmutable;
@@ -18,6 +19,7 @@
 class AdminLogin extends AbstractEntity
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\Column(name: 'identity', type: 'string', length: 191, nullable: true)]
     protected ?string $identity = null;
@@ -70,13 +72,6 @@ class AdminLogin extends AbstractEntity
     #[ORM\Column(type: 'success_failure_enum', nullable: true, enumType: SuccessFailureEnum::class)]
     protected SuccessFailureEnum $loginStatus = SuccessFailureEnum::Fail;
 
-    public function __construct()
-    {
-        parent::__construct();
-
-        $this->created();
-    }
-
     public function getIdentity(): ?string
     {
         return $this->identity;
@@ -283,7 +278,7 @@ public function setLoginStatus(SuccessFailureEnum $loginStatus): self
 
     /**
      * @return array{
-     *     uuid: non-empty-string,
+     *     id: non-empty-string,
      *     identity: string|null,
      *     adminIp: string|null,
      *     country: string|null,
@@ -308,7 +303,7 @@ public function setLoginStatus(SuccessFailureEnum $loginStatus): self
     public function getArrayCopy(): array
     {
         return [
-            'uuid'          => $this->uuid->toString(),
+            'id'            => $this->id->toString(),
             'identity'      => $this->identity,
             'adminIp'       => $this->adminIp,
             'country'       => $this->country,
diff --git a/src/Core/src/Admin/src/Entity/AdminRole.php b/src/Core/src/Admin/src/Entity/AdminRole.php
index fb36102..d26fab0 100644
--- a/src/Core/src/Admin/src/Entity/AdminRole.php
+++ b/src/Core/src/Admin/src/Entity/AdminRole.php
@@ -10,6 +10,7 @@
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\RoleInterface;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
@@ -21,6 +22,7 @@
 class AdminRole extends AbstractEntity implements RoleInterface
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\Column(
         name: 'name',
@@ -31,13 +33,6 @@ enumType: AdminRoleEnum::class,
     )]
     protected AdminRoleEnum $name = AdminRoleEnum::Admin;
 
-    public function __construct()
-    {
-        parent::__construct();
-
-        $this->created();
-    }
-
     public function getName(): AdminRoleEnum
     {
         return $this->name;
@@ -59,7 +54,7 @@ public function setName(BackedEnum $name): self
     public function getArrayCopy(): array
     {
         return [
-            'uuid'    => $this->uuid->toString(),
+            'id'      => $this->id->toString(),
             'name'    => $this->name->value,
             'created' => $this->created,
             'updated' => $this->updated,
diff --git a/src/Core/src/Admin/src/Repository/AdminRepository.php b/src/Core/src/Admin/src/Repository/AdminRepository.php
index f366ac5..d700264 100644
--- a/src/Core/src/Admin/src/Repository/AdminRepository.php
+++ b/src/Core/src/Admin/src/Repository/AdminRepository.php
@@ -60,7 +60,7 @@ public function getAdmins(array $params = [], array $filters = []): QueryBuilder
             ->orderBy($params['sort'], $params['dir'])
             ->setFirstResult($params['offset'])
             ->setMaxResults($params['limit'])
-            ->groupBy('admin.uuid');
+            ->groupBy('admin.id');
         $queryBuilder->getQuery()->useQueryCache(true);
 
         return $queryBuilder;
diff --git a/src/Core/src/App/src/Command/RouteListCommand.php b/src/Core/src/App/src/Command/RouteListCommand.php
index d399ed5..95133ec 100644
--- a/src/Core/src/App/src/Command/RouteListCommand.php
+++ b/src/Core/src/App/src/Command/RouteListCommand.php
@@ -101,7 +101,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 str_pad((string) $index++, 4, ' ', STR_PAD_LEFT),
                 $route['method'],
                 $route['name'],
-                str_replace(ConfigProvider::REGEXP_UUID, '{uuid}', $route['path']),
+                str_replace(ConfigProvider::REGEXP_UUID, '{id}', $route['path']),
             ]);
         }
         $table->render();
diff --git a/src/Core/src/App/src/ConfigProvider.php b/src/Core/src/App/src/ConfigProvider.php
index 918ac03..e19f4bf 100644
--- a/src/Core/src/App/src/ConfigProvider.php
+++ b/src/Core/src/App/src/ConfigProvider.php
@@ -6,6 +6,7 @@
 
 use Core\App\Command\RouteListCommand;
 use Core\App\DBAL\Types\SuccessFailureEnumType;
+use Core\App\DBAL\Types\UuidType;
 use Core\App\DBAL\Types\YesNoEnumType;
 use Core\App\Event\TablePrefixEventListener;
 use Core\App\Factory\EntityListenerResolverFactory;
@@ -26,9 +27,6 @@
 use Dot\Mail\Factory\MailServiceAbstractFactory;
 use Dot\Mail\Service\MailService as DotMailService;
 use Mezzio\Application;
-use Ramsey\Uuid\Doctrine\UuidBinaryOrderedTimeType;
-use Ramsey\Uuid\Doctrine\UuidBinaryType;
-use Ramsey\Uuid\Doctrine\UuidType;
 use Roave\PsrContainerDoctrine\EntityManagerFactory;
 use Symfony\Component\Cache\Adapter\AdapterInterface;
 
@@ -68,11 +66,6 @@
  *               },
  *          },
  *      },
- *      connection: array{
- *          orm_default: array{
- *              doctrine_mapping_types: array<non-empty-string, non-empty-string>,
- *          },
- *      },
  *      driver: array{
  *          orm_default: array{
  *              class: class-string<MappingDriver>,
@@ -100,7 +93,7 @@
  */
 class ConfigProvider
 {
-    public const REGEXP_UUID = '{uuid:[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}}';
+    public const REGEXP_UUID = '{id:[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}}';
 
     /**
      * @return ConfigType
@@ -174,14 +167,6 @@ private function getDoctrineConfig(): array
                     ],
                 ],
             ],
-            'connection'    => [
-                'orm_default' => [
-                    'doctrine_mapping_types' => [
-                        UuidBinaryType::NAME            => 'binary',
-                        UuidBinaryOrderedTimeType::NAME => 'binary',
-                    ],
-                ],
-            ],
             'driver'        => [
                 // The default metadata driver aggregates all other drivers into a single one.
                 // Override `orm_default` only if you know what you're doing.
@@ -205,11 +190,9 @@ private function getDoctrineConfig(): array
                 'check_database_platform' => true,
             ],
             'types'         => [
-                UuidType::NAME                  => UuidType::class,
-                UuidBinaryType::NAME            => UuidBinaryType::class,
-                UuidBinaryOrderedTimeType::NAME => UuidBinaryOrderedTimeType::class,
-                SuccessFailureEnumType::NAME    => SuccessFailureEnumType::class,
-                YesNoEnumType::NAME             => YesNoEnumType::class,
+                UuidType::NAME               => UuidType::class,
+                SuccessFailureEnumType::NAME => SuccessFailureEnumType::class,
+                YesNoEnumType::NAME          => YesNoEnumType::class,
             ],
         ];
     }
diff --git a/src/Core/src/App/src/DBAL/Types/UuidType.php b/src/Core/src/App/src/DBAL/Types/UuidType.php
new file mode 100644
index 0000000..852e1d2
--- /dev/null
+++ b/src/Core/src/App/src/DBAL/Types/UuidType.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Core\App\DBAL\Types;
+
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+class UuidType extends \Ramsey\Uuid\Doctrine\UuidType
+{
+    public const NAME = 'uuid';
+
+    public function getSQLDeclaration(array $column, AbstractPlatform $platform): string
+    {
+        return 'UUID';
+    }
+}
diff --git a/src/Core/src/App/src/Entity/AbstractEntity.php b/src/Core/src/App/src/Entity/AbstractEntity.php
index e0e54bc..dea496a 100644
--- a/src/Core/src/App/src/Entity/AbstractEntity.php
+++ b/src/Core/src/App/src/Entity/AbstractEntity.php
@@ -6,8 +6,6 @@
 
 use Doctrine\ORM\Mapping as ORM;
 use Laminas\Stdlib\ArraySerializableInterface;
-use Ramsey\Uuid\Uuid;
-use Ramsey\Uuid\UuidInterface;
 
 use function is_array;
 use function method_exists;
@@ -16,18 +14,13 @@
 #[ORM\MappedSuperclass]
 abstract class AbstractEntity implements ArraySerializableInterface, EntityInterface
 {
-    #[ORM\Id]
-    #[ORM\Column(name: 'uuid', type: 'uuid_binary', unique: true)]
-    protected UuidInterface $uuid;
-
     public function __construct()
     {
-        $this->uuid = Uuid::uuid7();
+        $this->initId();
     }
 
-    public function getUuid(): UuidInterface
+    protected function initId(): void
     {
-        return $this->uuid;
     }
 
     /**
diff --git a/src/Core/src/App/src/Entity/EntityInterface.php b/src/Core/src/App/src/Entity/EntityInterface.php
index 80ce609..3b37b86 100644
--- a/src/Core/src/App/src/Entity/EntityInterface.php
+++ b/src/Core/src/App/src/Entity/EntityInterface.php
@@ -9,7 +9,7 @@
 
 interface EntityInterface
 {
-    public function getUuid(): UuidInterface;
+    public function getId(): UuidInterface;
 
     public function getCreated(): ?DateTimeImmutable;
 
diff --git a/src/Core/src/App/src/Entity/NumericIdentifierTrait.php b/src/Core/src/App/src/Entity/NumericIdentifierTrait.php
new file mode 100644
index 0000000..54fb41a
--- /dev/null
+++ b/src/Core/src/App/src/Entity/NumericIdentifierTrait.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Core\App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+trait NumericIdentifierTrait
+{
+    #[ORM\Id]
+    #[ORM\Column(name: 'id', type: 'integer', options: ['unsigned' => true])]
+    #[ORM\GeneratedValue(strategy: 'AUTO')]
+    protected ?int $id;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function setId(int $id): static
+    {
+        $this->id = $id;
+
+        return $this;
+    }
+}
diff --git a/src/Core/src/App/src/Entity/RoleInterface.php b/src/Core/src/App/src/Entity/RoleInterface.php
index 2a2e138..7c2c601 100644
--- a/src/Core/src/App/src/Entity/RoleInterface.php
+++ b/src/Core/src/App/src/Entity/RoleInterface.php
@@ -9,7 +9,7 @@
 
 /**
  * @phpstan-type RoleType array{
- *     uuid: non-empty-string,
+ *     id: non-empty-string,
  *     name: non-empty-string,
  *     created: DateTimeImmutable,
  *     updated: DateTimeImmutable|null
diff --git a/src/Core/src/App/src/Entity/UuidIdentifierTrait.php b/src/Core/src/App/src/Entity/UuidIdentifierTrait.php
new file mode 100644
index 0000000..9e6f2ef
--- /dev/null
+++ b/src/Core/src/App/src/Entity/UuidIdentifierTrait.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Core\App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use Ramsey\Uuid\Uuid;
+use Ramsey\Uuid\UuidInterface;
+
+trait UuidIdentifierTrait
+{
+    #[ORM\Id]
+    #[ORM\Column(name: 'id', type: 'uuid', unique: true, nullable: false)]
+    protected UuidInterface $id;
+
+    public function getId(): UuidInterface
+    {
+        return $this->id;
+    }
+
+    public function setId(UuidInterface $id): static
+    {
+        $this->id = $id;
+
+        return $this;
+    }
+
+    protected function initId(): void
+    {
+        $this->id = Uuid::uuid7();
+    }
+}
diff --git a/src/Core/src/Security/src/Entity/OAuthAccessToken.php b/src/Core/src/Security/src/Entity/OAuthAccessToken.php
index efb6f28..db7af22 100644
--- a/src/Core/src/Security/src/Entity/OAuthAccessToken.php
+++ b/src/Core/src/Security/src/Entity/OAuthAccessToken.php
@@ -4,6 +4,7 @@
 
 namespace Core\Security\Entity;
 
+use Core\App\Entity\NumericIdentifierTrait;
 use Core\Security\Repository\OAuthAccessTokenRepository;
 use DateTimeImmutable;
 use Doctrine\Common\Collections\ArrayCollection;
@@ -26,10 +27,7 @@
 #[ORM\Table(name: 'oauth_access_tokens')]
 class OAuthAccessToken implements AccessTokenEntityInterface
 {
-    #[ORM\Id]
-    #[ORM\Column(name: 'id', type: 'integer', options: ['unsigned' => true])]
-    #[ORM\GeneratedValue(strategy: 'IDENTITY')]
-    private int $id;
+    use NumericIdentifierTrait;
 
     #[ORM\ManyToOne(targetEntity: OAuthClient::class)]
     #[ORM\JoinColumn(name: 'client_id', referencedColumnName: 'id')]
@@ -64,18 +62,6 @@ public function __construct()
         $this->scopes = new ArrayCollection();
     }
 
-    public function setId(int $id): self
-    {
-        $this->id = $id;
-
-        return $this;
-    }
-
-    public function getId(): ?int
-    {
-        return $this->id;
-    }
-
     public function setClient(ClientEntityInterface $client): self
     {
         $this->client = $client;
diff --git a/src/Core/src/Security/src/Entity/OAuthAuthCode.php b/src/Core/src/Security/src/Entity/OAuthAuthCode.php
index 72369c2..2b184ea 100644
--- a/src/Core/src/Security/src/Entity/OAuthAuthCode.php
+++ b/src/Core/src/Security/src/Entity/OAuthAuthCode.php
@@ -4,6 +4,7 @@
 
 namespace Core\Security\Entity;
 
+use Core\App\Entity\NumericIdentifierTrait;
 use Core\Security\Repository\OAuthAuthCodeRepository;
 use DateTimeImmutable;
 use Doctrine\Common\Collections\ArrayCollection;
@@ -22,11 +23,7 @@
 class OAuthAuthCode implements AuthCodeEntityInterface
 {
     use AuthCodeTrait;
-
-    #[ORM\Id]
-    #[ORM\Column(name: 'id', type: 'integer', options: ['unsigned' => true])]
-    #[ORM\GeneratedValue(strategy: 'IDENTITY')]
-    private int $id;
+    use NumericIdentifierTrait;
 
     #[ORM\ManyToOne(targetEntity: OAuthClient::class)]
     #[ORM\JoinColumn(name: 'client_id', referencedColumnName: 'id')]
@@ -51,18 +48,6 @@ public function __construct()
         $this->scopes          = new ArrayCollection();
     }
 
-    public function setId(int $id): self
-    {
-        $this->id = $id;
-
-        return $this;
-    }
-
-    public function getId(): int
-    {
-        return $this->id;
-    }
-
     public function setClient(ClientEntityInterface $client): self
     {
         $this->client = $client;
diff --git a/src/Core/src/Security/src/Entity/OAuthClient.php b/src/Core/src/Security/src/Entity/OAuthClient.php
index a2b4da3..a52ace1 100644
--- a/src/Core/src/Security/src/Entity/OAuthClient.php
+++ b/src/Core/src/Security/src/Entity/OAuthClient.php
@@ -4,6 +4,7 @@
 
 namespace Core\Security\Entity;
 
+use Core\App\Entity\NumericIdentifierTrait;
 use Core\Security\Repository\OAuthClientRepository;
 use Core\User\Entity\User;
 use Doctrine\ORM\Mapping as ORM;
@@ -13,16 +14,13 @@
 #[ORM\Table(name: 'oauth_clients')]
 class OAuthClient implements ClientEntityInterface
 {
+    use NumericIdentifierTrait;
+
     public const NAME_ADMIN    = 'admin';
     public const NAME_FRONTEND = 'frontend';
 
-    #[ORM\Id]
-    #[ORM\Column(name: 'id', type: 'integer', options: ['unsigned' => true])]
-    #[ORM\GeneratedValue(strategy: 'IDENTITY')]
-    private int $id;
-
     #[ORM\ManyToOne(targetEntity: User::class)]
-    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'uuid', nullable: true)]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: true)]
     private ?User $user = null;
 
     #[ORM\Column(name: 'name', type: 'string', length: 40)]
@@ -40,18 +38,6 @@ class OAuthClient implements ClientEntityInterface
     #[ORM\Column(name: 'isConfidential', type: 'boolean', options: ['default' => false])]
     private bool $isConfidential = false;
 
-    public function setId(int $id): self
-    {
-        $this->id = $id;
-
-        return $this;
-    }
-
-    public function getId(): ?int
-    {
-        return $this->id;
-    }
-
     public function setUser(?User $user = null): self
     {
         $this->user = $user;
diff --git a/src/Core/src/Security/src/Entity/OAuthRefreshToken.php b/src/Core/src/Security/src/Entity/OAuthRefreshToken.php
index db0ba61..ae6dc16 100644
--- a/src/Core/src/Security/src/Entity/OAuthRefreshToken.php
+++ b/src/Core/src/Security/src/Entity/OAuthRefreshToken.php
@@ -4,6 +4,7 @@
 
 namespace Core\Security\Entity;
 
+use Core\App\Entity\NumericIdentifierTrait;
 use Core\Security\Repository\OAuthRefreshTokenRepository;
 use DateTimeImmutable;
 use Doctrine\ORM\Mapping as ORM;
@@ -14,10 +15,7 @@
 #[ORM\Table(name: 'oauth_refresh_tokens')]
 class OAuthRefreshToken implements RefreshTokenEntityInterface
 {
-    #[ORM\Id]
-    #[ORM\Column(name: 'id', type: 'integer', options: ['unsigned' => true])]
-    #[ORM\GeneratedValue(strategy: 'IDENTITY')]
-    private int $id;
+    use NumericIdentifierTrait;
 
     #[ORM\ManyToOne(targetEntity: OAuthAccessToken::class)]
     #[ORM\JoinColumn(name: 'access_token_id', referencedColumnName: 'id')]
@@ -29,18 +27,6 @@ class OAuthRefreshToken implements RefreshTokenEntityInterface
     #[ORM\Column(name: 'expires_at', type: 'datetime_immutable')]
     private DateTimeImmutable $expiresAt;
 
-    public function setId(int $id): self
-    {
-        $this->id = $id;
-
-        return $this;
-    }
-
-    public function getId(): ?int
-    {
-        return $this->id;
-    }
-
     public function getIdentifier(): string
     {
         return (string) $this->getId();
@@ -48,8 +34,6 @@ public function getIdentifier(): string
 
     public function setIdentifier(mixed $identifier): self
     {
-        $this->setId((int) $identifier);
-
         return $this;
     }
 
diff --git a/src/Core/src/Security/src/Entity/OAuthScope.php b/src/Core/src/Security/src/Entity/OAuthScope.php
index f90e52f..9afe161 100644
--- a/src/Core/src/Security/src/Entity/OAuthScope.php
+++ b/src/Core/src/Security/src/Entity/OAuthScope.php
@@ -4,6 +4,7 @@
 
 namespace Core\Security\Entity;
 
+use Core\App\Entity\NumericIdentifierTrait;
 use Core\Security\Repository\OAuthScopeRepository;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
@@ -18,13 +19,9 @@
 #[ORM\Table(name: 'oauth_scopes')]
 class OAuthScope implements ScopeEntityInterface
 {
+    use NumericIdentifierTrait;
     use ScopeTrait;
 
-    #[ORM\Id]
-    #[ORM\Column(name: 'id', type: 'integer', options: ['unsigned' => true])]
-    #[ORM\GeneratedValue(strategy: 'IDENTITY')]
-    private int $id;
-
     #[ORM\Column(name: 'scope', type: 'string', length: 191)]
     private string $scope = '';
 
@@ -42,18 +39,6 @@ public function __construct()
         $this->authCodes    = new ArrayCollection();
     }
 
-    public function setId(int $id): self
-    {
-        $this->id = $id;
-
-        return $this;
-    }
-
-    public function getId(): ?int
-    {
-        return $this->id;
-    }
-
     public function getIdentifier(): string
     {
         return $this->getScope();
diff --git a/src/Core/src/Setting/src/Entity/Setting.php b/src/Core/src/Setting/src/Entity/Setting.php
index c24b92b..c99960a 100644
--- a/src/Core/src/Setting/src/Entity/Setting.php
+++ b/src/Core/src/Setting/src/Entity/Setting.php
@@ -7,6 +7,7 @@
 use Core\Admin\Entity\Admin;
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\Setting\Enum\SettingIdentifierEnum;
 use Core\Setting\Repository\SettingRepository;
 use Doctrine\ORM\Mapping as ORM;
@@ -22,9 +23,10 @@
 class Setting extends AbstractEntity
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\ManyToOne(targetEntity: Admin::class, inversedBy: 'settings')]
-    #[ORM\JoinColumn(name: 'admin_uuid', referencedColumnName: 'uuid')]
+    #[ORM\JoinColumn(name: 'admin_id', referencedColumnName: 'id')]
     protected ?Admin $admin = null;
 
     #[ORM\Column(type: 'setting_enum', enumType: SettingIdentifierEnum::class)]
diff --git a/src/Core/src/User/src/Entity/User.php b/src/Core/src/User/src/Entity/User.php
index 69a91c3..0f3ba32 100644
--- a/src/Core/src/User/src/Entity/User.php
+++ b/src/Core/src/User/src/Entity/User.php
@@ -8,6 +8,7 @@
 use Core\App\Entity\PasswordTrait;
 use Core\App\Entity\RoleInterface;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\User\Enum\UserStatusEnum;
 use Core\User\Repository\UserRepository;
 use DateTimeImmutable;
@@ -28,12 +29,13 @@
  * @phpstan-import-type RoleType from RoleInterface
  */
 #[ORM\Entity(repositoryClass: UserRepository::class)]
-#[ORM\Table(name: 'user')]
+#[ORM\Table(name: '`user`')]
 #[ORM\HasLifecycleCallbacks]
 class User extends AbstractEntity implements UserEntityInterface
 {
     use PasswordTrait;
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\OneToOne(targetEntity: UserAvatar::class, mappedBy: 'user', cascade: ['persist', 'remove'])]
     protected ?UserAvatar $avatar = null;
@@ -48,8 +50,8 @@ class User extends AbstractEntity implements UserEntityInterface
     /** @var Collection<int, RoleInterface> */
     #[ORM\ManyToMany(targetEntity: UserRole::class)]
     #[ORM\JoinTable(name: 'user_roles')]
-    #[ORM\JoinColumn(name: 'userUuid', referencedColumnName: 'uuid')]
-    #[ORM\InverseJoinColumn(name: 'roleUuid', referencedColumnName: 'uuid')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id')]
+    #[ORM\InverseJoinColumn(name: 'role_id', referencedColumnName: 'id')]
     protected Collection $roles;
 
     /** @var non-empty-string|null $identity */
@@ -78,7 +80,6 @@ public function __construct()
         $this->roles          = new ArrayCollection();
         $this->resetPasswords = new ArrayCollection();
 
-        $this->created();
         $this->renewHash();
     }
 
@@ -340,7 +341,7 @@ public function hasRoles(): bool
 
     /**
      * @return array{
-     *     uuid: non-empty-string,
+     *     id: non-empty-string,
      *     avatar: UserAvatarType|null,
      *     detail: UserDetailType|null,
      *     hash: non-empty-string,
@@ -354,7 +355,7 @@ public function hasRoles(): bool
     public function getArrayCopy(): array
     {
         return [
-            'uuid'     => $this->uuid->toString(),
+            'id'       => $this->id->toString(),
             'avatar'   => $this->avatar?->getArrayCopy(),
             'detail'   => $this->detail?->getArrayCopy(),
             'hash'     => $this->hash,
diff --git a/src/Core/src/User/src/Entity/UserAvatar.php b/src/Core/src/User/src/Entity/UserAvatar.php
index 7edf86b..ad37e16 100644
--- a/src/Core/src/User/src/Entity/UserAvatar.php
+++ b/src/Core/src/User/src/Entity/UserAvatar.php
@@ -6,6 +6,7 @@
 
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\User\EventListener\UserAvatarEventListener;
 use Core\User\Repository\UserAvatarRepository;
 use DateTimeImmutable;
@@ -13,7 +14,7 @@
 
 /**
  * @phpstan-type UserAvatarType array{
- *      uuid: non-empty-string,
+ *      id: non-empty-string,
  *      url: non-empty-string|null,
  *      created: DateTimeImmutable,
  *      updated: DateTimeImmutable|null
@@ -26,9 +27,10 @@
 class UserAvatar extends AbstractEntity
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\OneToOne(targetEntity: User::class, inversedBy: 'avatar')]
-    #[ORM\JoinColumn(name: 'userUuid', referencedColumnName: 'uuid')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id')]
     protected ?User $user = null;
 
     #[ORM\Column(name: 'name', type: 'string', length: 191)]
@@ -37,13 +39,6 @@ class UserAvatar extends AbstractEntity
     /** @var non-empty-string|null $url */
     protected ?string $url = null;
 
-    public function __construct()
-    {
-        parent::__construct();
-
-        $this->created();
-    }
-
     public function getUser(): ?User
     {
         return $this->user;
@@ -89,7 +84,7 @@ public function setUrl(string $url): self
     public function getArrayCopy(): array
     {
         return [
-            'uuid'    => $this->uuid->toString(),
+            'id'      => $this->id->toString(),
             'url'     => $this->url,
             'created' => $this->created,
             'updated' => $this->updated,
diff --git a/src/Core/src/User/src/Entity/UserDetail.php b/src/Core/src/User/src/Entity/UserDetail.php
index 16e0d9d..a7ecfd6 100644
--- a/src/Core/src/User/src/Entity/UserDetail.php
+++ b/src/Core/src/User/src/Entity/UserDetail.php
@@ -6,13 +6,14 @@
 
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\User\Repository\UserDetailRepository;
 use DateTimeImmutable;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * @phpstan-type UserDetailType array{
- *      uuid: non-empty-string,
+ *      id: non-empty-string,
  *      firstName: non-empty-string|null,
  *      lastName: non-empty-string|null,
  *      email: non-empty-string|null,
@@ -26,9 +27,10 @@
 class UserDetail extends AbstractEntity
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\OneToOne(targetEntity: User::class, inversedBy: 'detail')]
-    #[ORM\JoinColumn(name: 'userUuid', referencedColumnName: 'uuid')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id')]
     protected ?User $user = null;
 
     /** @var non-empty-string|null $firstName */
@@ -43,13 +45,6 @@ class UserDetail extends AbstractEntity
     #[ORM\Column(name: 'email', type: 'string', length: 191)]
     protected ?string $email = null;
 
-    public function __construct()
-    {
-        parent::__construct();
-
-        $this->created();
-    }
-
     public function getUser(): ?User
     {
         return $this->user;
@@ -118,7 +113,7 @@ public function setEmail(string $email): self
     public function getArrayCopy(): array
     {
         return [
-            'uuid'      => $this->uuid->toString(),
+            'id'        => $this->id->toString(),
             'firstName' => $this->firstName,
             'lastName'  => $this->lastName,
             'email'     => $this->email,
diff --git a/src/Core/src/User/src/Entity/UserResetPassword.php b/src/Core/src/User/src/Entity/UserResetPassword.php
index 41ab84a..9ad4507 100644
--- a/src/Core/src/User/src/Entity/UserResetPassword.php
+++ b/src/Core/src/User/src/Entity/UserResetPassword.php
@@ -6,6 +6,7 @@
 
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\User\Enum\UserResetPasswordStatusEnum;
 use Core\User\Repository\UserResetPasswordRepository;
 use DateInterval;
@@ -20,9 +21,10 @@
 class UserResetPassword extends AbstractEntity
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\ManyToOne(targetEntity: User::class, cascade: ['persist', 'remove'], inversedBy: 'resetPasswords')]
-    #[ORM\JoinColumn(name: 'userUuid', referencedColumnName: 'uuid')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id')]
     protected ?User $user = null;
 
     #[ORM\Column(name: 'expires', type: 'datetime_immutable')]
@@ -43,7 +45,6 @@ public function __construct()
     {
         parent::__construct();
 
-        $this->created();
         $this->expires = DateTimeImmutable::createFromMutable(
             (new DateTime())->add(new DateInterval('P1D'))
         );
@@ -124,7 +125,7 @@ public function markAsCompleted(): self
 
     /**
      * @return array{
-     *     uuid: non-empty-string,
+     *     id: non-empty-string,
      *     expires: DateTimeImmutable,
      *     hash: non-empty-string,
      *     status: 'completed'|'requested',
@@ -135,7 +136,7 @@ public function markAsCompleted(): self
     public function getArrayCopy(): array
     {
         return [
-            'uuid'    => $this->uuid->toString(),
+            'id'      => $this->id->toString(),
             'expires' => $this->expires,
             'hash'    => $this->hash,
             'status'  => $this->status->value,
diff --git a/src/Core/src/User/src/Entity/UserRole.php b/src/Core/src/User/src/Entity/UserRole.php
index 23e1888..9383102 100644
--- a/src/Core/src/User/src/Entity/UserRole.php
+++ b/src/Core/src/User/src/Entity/UserRole.php
@@ -8,6 +8,7 @@
 use Core\App\Entity\AbstractEntity;
 use Core\App\Entity\RoleInterface;
 use Core\App\Entity\TimestampsTrait;
+use Core\App\Entity\UuidIdentifierTrait;
 use Core\User\Enum\UserRoleEnum;
 use Core\User\Repository\UserRoleRepository;
 use Doctrine\ORM\Mapping as ORM;
@@ -21,6 +22,7 @@
 class UserRole extends AbstractEntity implements RoleInterface
 {
     use TimestampsTrait;
+    use UuidIdentifierTrait;
 
     #[ORM\Column(
         name: 'name',
@@ -31,13 +33,6 @@ enumType: UserRoleEnum::class,
     )]
     protected UserRoleEnum $name = UserRoleEnum::User;
 
-    public function __construct()
-    {
-        parent::__construct();
-
-        $this->created();
-    }
-
     public function getName(): UserRoleEnum
     {
         return $this->name;
@@ -59,7 +54,7 @@ public function setName(BackedEnum $name): RoleInterface
     public function getArrayCopy(): array
     {
         return [
-            'uuid'    => $this->uuid->toString(),
+            'id'      => $this->id->toString(),
             'name'    => $this->name->value,
             'created' => $this->created,
             'updated' => $this->updated,
diff --git a/src/Core/src/User/src/EventListener/UserAvatarEventListener.php b/src/Core/src/User/src/EventListener/UserAvatarEventListener.php
index 0c7b06e..21601dc 100644
--- a/src/Core/src/User/src/EventListener/UserAvatarEventListener.php
+++ b/src/Core/src/User/src/EventListener/UserAvatarEventListener.php
@@ -48,7 +48,7 @@ private function setAvatarUrl(UserAvatar $avatar): void
             sprintf(
                 '%s/%s/%s',
                 rtrim($this->config['uploads']['user']['url'], '/'),
-                $avatar->getUser()->getUuid()->toString(),
+                $avatar->getUser()->getId()->toString(),
                 $avatar->getName()
             )
         );
diff --git a/src/Core/src/User/src/Repository/UserRepository.php b/src/Core/src/User/src/Repository/UserRepository.php
index ed7bb6c..f82e675 100644
--- a/src/Core/src/User/src/Repository/UserRepository.php
+++ b/src/Core/src/User/src/Repository/UserRepository.php
@@ -81,7 +81,7 @@ public function getUsers(array $params = [], array $filters = []): QueryBuilder
             ->orderBy($params['sort'], $params['dir'])
             ->setFirstResult($params['offset'])
             ->setMaxResults($params['limit'])
-            ->groupBy('user.uuid');
+            ->groupBy('user.id');
         $queryBuilder->getQuery()->useQueryCache(true);
 
         return $queryBuilder;
diff --git a/src/User/src/InputFilter/UserRoleInputFilter.php b/src/User/src/InputFilter/UserRoleInputFilter.php
index 5077dab..ae6ff58 100644
--- a/src/User/src/InputFilter/UserRoleInputFilter.php
+++ b/src/User/src/InputFilter/UserRoleInputFilter.php
@@ -9,7 +9,7 @@
 
 /**
  * @phpstan-type UserRoleDataType array{
- *     uuid: non-empty-string,
+ *     id: non-empty-string,
  * }
  * @extends AbstractInputFilter<UserRoleDataType>
  */
@@ -17,6 +17,6 @@ class UserRoleInputFilter extends AbstractInputFilter
 {
     public function __construct()
     {
-        $this->add(new UuidInput('uuid'));
+        $this->add(new UuidInput('id'));
     }
 }
diff --git a/src/User/src/OpenAPI.php b/src/User/src/OpenAPI.php
index ce9b6a3..9b9734d 100644
--- a/src/User/src/OpenAPI.php
+++ b/src/User/src/OpenAPI.php
@@ -143,9 +143,9 @@
                     property: 'roles',
                     type: 'array',
                     items: new OA\Items(
-                        required: ['uuid'],
+                        required: ['id'],
                         properties: [
-                            new OA\Property(property: 'uuid', type: 'string'),
+                            new OA\Property(property: 'id', type: 'string'),
                         ],
                     ),
                 ),
@@ -187,15 +187,15 @@
  * @see DeleteUserResourceHandler::handle()
  */
 #[OA\Delete(
-    path: '/user/{uuid}',
-    description: 'Authenticated (super)admin deletes (anonymizes) a user account identified by its UUID',
+    path: '/user/{id}',
+    description: 'Authenticated (super)admin deletes (anonymizes) a user account identified by its id',
     summary: 'Admin deletes (anonymizes) user account',
     security: [['AuthToken' => []]],
     tags: ['User'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -217,15 +217,15 @@
  * @see GetUserResourceHandler::handle()
  */
 #[OA\Get(
-    path: '/user/{uuid}',
-    description: 'Authenticated (super)admin fetches a user account identified by its UUID',
+    path: '/user/{id}',
+    description: 'Authenticated (super)admin fetches a user account identified by its id',
     summary: 'Admin views user account',
     security: [['AuthToken' => []]],
     tags: ['User'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -248,7 +248,7 @@
  * @see PatchUserResourceHandler::handle()
  */
 #[OA\Patch(
-    path: '/user/{uuid}',
+    path: '/user/{id}',
     description: 'Authenticated (super)admin updates an existing user account',
     summary: 'Admin updates user account',
     security: [['AuthToken' => []]],
@@ -274,9 +274,9 @@
                     property: 'roles',
                     type: 'array',
                     items: new OA\Items(
-                        required: ['uuid'],
+                        required: ['id'],
                         properties: [
-                            new OA\Property(property: 'uuid', type: 'string'),
+                            new OA\Property(property: 'id', type: 'string'),
                         ],
                     ),
                 ),
@@ -287,8 +287,8 @@
     tags: ['User'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -322,15 +322,15 @@
  * @see DeleteUserAvatarResourceHandler::handle()
  */
 #[OA\Delete(
-    path: '/user/{uuid}/avatar',
-    description: 'Authenticated (super)admin deletes a user avatar identified by user UUID',
+    path: '/user/{id}/avatar',
+    description: 'Authenticated (super)admin deletes a user avatar identified by user id',
     summary: 'Admin deletes user avatar',
     security: [['AuthToken' => []]],
     tags: ['UserAvatar'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -352,15 +352,15 @@
  * @see GetUserAvatarResourceHandler::handle()
  */
 #[OA\Get(
-    path: '/user/{uuid}/avatar',
-    description: 'Authenticated (super)admin fetches a user avatar identified by user UUID',
+    path: '/user/{id}/avatar',
+    description: 'Authenticated (super)admin fetches a user avatar identified by user id',
     summary: 'Admin views user avatar',
     security: [['AuthToken' => []]],
     tags: ['UserAvatar'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -383,8 +383,8 @@
  * @see PostUserAvatarResourceHandler::handle()
  */
 #[OA\Post(
-    path: '/user/{uuid}/avatar',
-    description: 'Authenticated (super)admin creates user avatar for user identified by user UUID',
+    path: '/user/{id}/avatar',
+    description: 'Authenticated (super)admin creates user avatar for user identified by user id',
     summary: 'Admin creates user avatar',
     security: [['AuthToken' => []]],
     requestBody: new OA\RequestBody(
@@ -404,8 +404,8 @@
     tags: ['UserAvatar'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -502,15 +502,15 @@
  * @see GetUserRoleResourceHandler::handle()
  */
 #[OA\Get(
-    path: '/user/role/{uuid}',
-    description: 'Authenticated (super)admin fetches a user role identified by its UUID',
+    path: '/user/role/{id}',
+    description: 'Authenticated (super)admin fetches a user role identified by its id',
     summary: 'Admin views user role',
     security: [['AuthToken' => []]],
     tags: ['UserRole'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'UserRole UUID',
+            name: 'id',
+            description: 'UserRole id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -533,15 +533,15 @@
  * @see PatchUserActivateHandler::handle()
  */
 #[OA\Patch(
-    path: '/user/{uuid}/activate',
+    path: '/user/{id}/activate',
     description: 'Authenticated (super)admin activates an existing user account',
     summary: 'Admin activates user account',
     security: [['AuthToken' => []]],
     tags: ['User'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -575,15 +575,15 @@
  * @see PatchUserDeactivateHandler::handle()
  */
 #[OA\Patch(
-    path: '/user/{uuid}/deactivate',
+    path: '/user/{id}/deactivate',
     description: 'Authenticated (super)admin deactivates an existing user account',
     summary: 'Admin deactivates user account',
     security: [['AuthToken' => []]],
     tags: ['User'],
     parameters: [
         new OA\Parameter(
-            name: 'uuid',
-            description: 'User UUID',
+            name: 'id',
+            description: 'User id',
             in: 'path',
             required: true,
             schema: new OA\Schema(type: 'string'),
@@ -1118,7 +1118,7 @@
 #[OA\Schema(
     schema: 'User',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(property: 'hash', type: 'string'),
         new OA\Property(property: 'identity', type: 'string'),
         new OA\Property(property: 'status', type: 'string', example: UserStatusEnum::Active),
@@ -1167,7 +1167,7 @@
 #[OA\Schema(
     schema: 'UserAvatar',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(
             property: 'url',
             type: 'string',
@@ -1203,7 +1203,7 @@
 #[OA\Schema(
     schema: 'UserDetail',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(property: 'firstName', type: 'string'),
         new OA\Property(property: 'lastName', type: 'string'),
         new OA\Property(property: 'email', type: 'string'),
@@ -1219,7 +1219,7 @@
 #[OA\Schema(
     schema: 'UserResetPassword',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(property: 'expires', type: 'object', example: new DateTimeImmutable()),
         new OA\Property(property: 'hash', type: 'string'),
         new OA\Property(property: 'status', type: 'string', example: UserResetPasswordStatusEnum::Requested),
@@ -1252,7 +1252,7 @@
 #[OA\Schema(
     schema: 'UserRole',
     properties: [
-        new OA\Property(property: 'uuid', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
+        new OA\Property(property: 'id', type: 'string', example: '1234abcd-abcd-4321-12ab-123456abcdef'),
         new OA\Property(property: 'name', type: 'string', example: UserRoleEnum::User->value),
         new OA\Property(
             property: '_links',
diff --git a/src/User/src/RoutesDelegator.php b/src/User/src/RoutesDelegator.php
index d52dd58..5cfd662 100644
--- a/src/User/src/RoutesDelegator.php
+++ b/src/User/src/RoutesDelegator.php
@@ -44,7 +44,7 @@ class RoutesDelegator
      */
     public function __invoke(ContainerInterface $container, string $serviceName, callable $callback): Application
     {
-        $uuid = ConfigProvider::REGEXP_UUID;
+        $id = ConfigProvider::REGEXP_UUID;
 
         /** @var RouteCollectorInterface $routeCollector */
         $routeCollector = $container->get(RouteCollectorInterface::class);
@@ -54,22 +54,22 @@ public function __invoke(ContainerInterface $container, string $serviceName, cal
             ->post('', PostUserResourceHandler::class, 'user::create-user');
 
         $routeCollector
-            ->patch('/user/' . $uuid . '/activate', PatchUserActivateHandler::class, 'user::activate-user')
-            ->patch('/user/' . $uuid . '/deactivate', PatchUserDeactivateHandler::class, 'user::deactivate-user');
+            ->patch('/user/' . $id . '/activate', PatchUserActivateHandler::class, 'user::activate-user')
+            ->patch('/user/' . $id . '/deactivate', PatchUserDeactivateHandler::class, 'user::deactivate-user');
 
-        $routeCollector->group('/user/' . $uuid)
+        $routeCollector->group('/user/' . $id)
             ->delete('', DeleteUserResourceHandler::class, 'user::delete-user')
             ->get('', GetUserResourceHandler::class, 'user::view-user')
             ->patch('', PatchUserResourceHandler::class, 'user::update-user');
 
-        $routeCollector->group('/user/' . $uuid . '/avatar')
+        $routeCollector->group('/user/' . $id . '/avatar')
             ->delete('', DeleteUserAvatarResourceHandler::class, 'user::delete-user-avatar')
             ->get('', GetUserAvatarResourceHandler::class, 'user::view-user-avatar')
             ->post('', PostUserAvatarResourceHandler::class, 'user::create-user-avatar');
 
         $routeCollector->group('/user/role')
             ->get('', GetUserRoleCollectionHandler::class, 'user::list-role')
-            ->get('/' . $uuid, GetUserRoleResourceHandler::class, 'user::view-role');
+            ->get('/' . $id, GetUserRoleResourceHandler::class, 'user::view-role');
 
         $routeCollector->group('/user/account')
             ->delete('', DeleteUserAccountResourceHandler::class, 'user::delete-account')
diff --git a/src/User/src/Service/UserAvatarService.php b/src/User/src/Service/UserAvatarService.php
index 43f8fd9..3662db7 100644
--- a/src/User/src/Service/UserAvatarService.php
+++ b/src/User/src/Service/UserAvatarService.php
@@ -118,7 +118,7 @@ protected function getUserAvatarDirectoryPath(User $user): string
         return sprintf(
             '%s/%s/',
             rtrim($this->config['uploads']['user']['path'], '/'),
-            $user->getUuid()->toString()
+            $user->getId()->toString()
         );
     }
 
diff --git a/src/User/src/Service/UserService.php b/src/User/src/Service/UserService.php
index 10e8b11..a78769b 100644
--- a/src/User/src/Service/UserService.php
+++ b/src/User/src/Service/UserService.php
@@ -209,12 +209,12 @@ public function saveUser(array $data, ?User $user = null): User
             }
         }
 
-        $this->validateUniqueUser((string) $user->getIdentity(), $user->getEmail(), $user->getUuid());
+        $this->validateUniqueUser((string) $user->getIdentity(), $user->getEmail(), $user->getId());
 
         if (array_key_exists('roles', $data) && count($data['roles']) > 0) {
             $user->resetRoles();
             foreach ($data['roles'] as $roleData) {
-                $userRole = $this->userRoleRepository->find($roleData['uuid']);
+                $userRole = $this->userRoleRepository->find($roleData['id']);
                 if (! $userRole instanceof UserRole) {
                     throw NotFoundException::create(Message::ROLE_NOT_FOUND);
                 }
@@ -277,27 +277,27 @@ private function revokeTokens(User $user): void
      * @throws ConflictException
      * @throws NotFoundException
      */
-    private function validateUniqueUser(string $identity, string $email, ?UuidInterface $uuid = null): void
+    private function validateUniqueUser(string $identity, string $email, ?UuidInterface $id = null): void
     {
         $user = $this->userRepository->findOneBy(['identity' => $identity]);
         if ($user instanceof User) {
-            if ($uuid === null) {
+            if ($id === null) {
                 throw ConflictException::create(Message::DUPLICATE_IDENTITY);
             }
-            if ($user->getUuid()->toString() !== $uuid->toString()) {
+            if (! $user->getId()->equals($id)) {
                 throw ConflictException::create(Message::DUPLICATE_IDENTITY);
             }
         }
 
         $userDetail = $this->userDetailRepository->findOneBy(['email' => $email]);
         if ($userDetail instanceof UserDetail) {
-            if ($uuid === null) {
+            if ($id === null) {
                 throw ConflictException::create(Message::DUPLICATE_EMAIL);
             }
             if (! $userDetail->getUser() instanceof User) {
                 throw NotFoundException::create(Message::USER_NOT_FOUND);
             }
-            if ($userDetail->getUser()->getUuid()->toString() !== $uuid->toString()) {
+            if (! $userDetail->getUser()->getId()->equals($id)) {
                 throw ConflictException::create(Message::DUPLICATE_EMAIL);
             }
         }
diff --git a/test/Functional/AbstractFunctionalTest.php b/test/Functional/AbstractFunctionalTest.php
index f38f207..6086451 100644
--- a/test/Functional/AbstractFunctionalTest.php
+++ b/test/Functional/AbstractFunctionalTest.php
@@ -441,7 +441,7 @@ protected function replaceService(string $service, object $mockInstance): void
      *     password: non-empty-string,
      *     passwordConfirm: non-empty-string,
      *     status: \Core\User\Enum\UserStatusEnum,
-     *     roles: array{uuid: non-empty-string}[]
+     *     roles: array{id: non-empty-string}[]
      * }
      * @throws ContainerExceptionInterface
      * @throws NotFoundExceptionInterface
@@ -470,7 +470,7 @@ protected function getValidUserData(array $data): array
             'passwordConfirm' => $data['password'] ?? self::DEFAULT_PASSWORD,
             'status'          => $status,
             'roles'           => [
-                ['uuid' => $userRole->getUuid()->toString()],
+                ['id' => $userRole->getId()->toString()],
             ],
         ];
     }
diff --git a/test/Functional/AdminTest.php b/test/Functional/AdminTest.php
index a25daae..266df27 100644
--- a/test/Functional/AdminTest.php
+++ b/test/Functional/AdminTest.php
@@ -52,7 +52,7 @@ public function testUserCannotViewAdminAccount(): void
         $identity = $this->createUser()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD);
 
-        $response = $this->get('/admin/' . $admin->getUuid()->toString());
+        $response = $this->get('/admin/' . $admin->getId()->toString());
 
         $this->assertResponseForbidden($response);
     }
@@ -84,7 +84,7 @@ public function testUserCannotUpdateAdminAccount(): void
         $identity = $this->createUser()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD);
 
-        $response = $this->patch('/admin/' . $admin->getUuid()->toString());
+        $response = $this->patch('/admin/' . $admin->getId()->toString());
         $this->assertResponseForbidden($response);
     }
 
@@ -100,7 +100,7 @@ public function testUserCannotDeleteAdminAccount(): void
         $identity = $this->createUser()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD);
 
-        $response = $this->delete('/admin/' . $admin->getUuid()->toString());
+        $response = $this->delete('/admin/' . $admin->getId()->toString());
         $this->assertResponseForbidden($response);
     }
 
@@ -131,11 +131,11 @@ public function testAdminCanViewAdminAccount(): void
         $identity = $admin->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
-        $response = $this->get('/admin/' . $admin->getUuid()->toString());
+        $response = $this->get('/admin/' . $admin->getId()->toString());
         $data     = json_decode($response->getBody()->getContents(), true);
 
         $this->assertResponseOk($response);
-        $this->assertSame($admin->getUuid()->toString(), $data['uuid']);
+        $this->assertSame($admin->getId()->toString(), $data['id']);
     }
 
     /**
@@ -164,7 +164,7 @@ public function testCannotCreateDuplicateAdminAccount(): void
             'status'          => $admin->getStatus()->value,
             'roles'           => [
                 [
-                    'uuid' => $adminRole->getUuid()->toString(),
+                    'id' => $adminRole->getId()->toString(),
                 ],
             ],
         ];
@@ -204,7 +204,7 @@ public function testAdminCanCreateAdminAccount(): void
             'status'          => $admin->getStatus()->value,
             'roles'           => [
                 [
-                    'uuid' => $adminRole->getUuid()->toString(),
+                    'id' => $adminRole->getId()->toString(),
                 ],
             ],
         ];
@@ -241,7 +241,7 @@ public function testAdminCanUpdateAdminAccount(): void
             'lastName'  => 'Admin',
         ];
 
-        $response = $this->patch('/admin/' . $admin->getUuid()->toString(), $updateData);
+        $response = $this->patch('/admin/' . $admin->getId()->toString(), $updateData);
         $data     = json_decode($response->getBody()->getContents(), true);
 
         $this->assertResponseOk($response);
@@ -261,12 +261,12 @@ public function testAdminCanDeleteAdminAccount(): void
         $identity = $admin->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
-        $response = $this->delete('/admin/' . $admin->getUuid()->toString());
+        $response = $this->delete('/admin/' . $admin->getId()->toString());
 
         $this->assertResponseNoContent($response);
 
         $adminRepository = $this->getEntityManager()->getRepository(Admin::class);
-        $admin           = $adminRepository->find($admin->getUuid()->toString());
+        $admin           = $adminRepository->find($admin->getId()->toString());
 
         $this->assertEmpty($admin);
     }
@@ -287,7 +287,7 @@ public function testAdminCanViewPersonalAccount(): void
         $data     = json_decode($response->getBody()->getContents(), true);
 
         $this->assertResponseOk($response);
-        $this->assertSame($admin->getUuid()->toString(), $data['uuid']);
+        $this->assertSame($admin->getId()->toString(), $data['id']);
         $this->assertSame($admin->getIdentity(), $data['identity']);
         $this->assertSame($admin->getFirstName(), $data['firstName']);
         $this->assertSame($admin->getLastName(), $data['lastName']);
@@ -345,11 +345,11 @@ public function testAdminCanViewAdminRole(): void
 
         $adminRole = $admin->getRoles()[0];
 
-        $response = $this->get('/admin/role/' . $adminRole->getUuid()->toString());
+        $response = $this->get('/admin/role/' . $adminRole->getId()->toString());
         $data     = json_decode($response->getBody()->getContents(), true);
 
         $this->assertResponseOk($response);
-        $this->assertSame($adminRole->getUuid()->toString(), $data['uuid']);
+        $this->assertSame($adminRole->getId()->toString(), $data['id']);
         $this->assertSame($adminRole->getName()->value, $data['name']);
     }
 
@@ -379,7 +379,7 @@ public function testAdminCreateUserAccountDuplicateEmail(): void
                 'email'     => 'user1@test.com',
             ],
             'roles'           => [
-                ['uuid' => $userRole->getUuid()->toString()],
+                ['id' => $userRole->getId()->toString()],
             ],
         ];
 
@@ -420,7 +420,7 @@ public function testAdminCanCreateUserAccount(): void
                 'email'     => 'test@user.com',
             ],
             'roles'           => [
-                ['uuid' => $userRole->getUuid()->toString()],
+                ['id' => $userRole->getId()->toString()],
             ],
         ];
 
@@ -428,14 +428,14 @@ public function testAdminCanCreateUserAccount(): void
         $data     = json_decode($response->getBody()->getContents(), true);
 
         $this->assertResponseCreated($response);
-        $this->assertArrayHasKey('uuid', $data);
+        $this->assertArrayHasKey('id', $data);
         $this->assertArrayHasKey('hash', $data);
         $this->assertArrayHasKey('identity', $data);
         $this->assertArrayHasKey('status', $data);
         $this->assertArrayHasKey('avatar', $data);
         $this->assertArrayHasKey('detail', $data);
         $this->assertArrayHasKey('roles', $data);
-        $this->assertNotEmpty($data['uuid']);
+        $this->assertNotEmpty($data['id']);
         $this->assertNotEmpty($data['hash']);
         $this->assertSame($userData['identity'], $data['identity']);
         $this->assertSame(UserStatusEnum::Pending->value, $data['status']);
@@ -447,7 +447,7 @@ public function testAdminCanCreateUserAccount(): void
         $this->assertSame($userData['detail']['lastName'], $data['detail']['lastName']);
         $this->assertSame($userData['detail']['email'], $data['detail']['email']);
         $this->assertNotEmpty($data['roles']);
-        $this->assertSame($userRole->getUuid()->toString(), $data['roles'][0]['uuid']);
+        $this->assertSame($userRole->getId()->toString(), $data['roles'][0]['id']);
         $this->assertSame($userRole->getName()->value, $data['roles'][0]['name']);
     }
 
@@ -466,12 +466,12 @@ public function testAdminCanActiveUserAccount(): void
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
         $this->assertFalse($user->isActive());
-        $response = $this->patch(sprintf('/user/%s/activate', $user->getUuid()->toString()));
+        $response = $this->patch(sprintf('/user/%s/activate', $user->getId()->toString()));
 
         $this->assertResponseOk($response);
 
         $userRepository = $this->getEntityManager()->getRepository(User::class);
-        $user           = $userRepository->find($user->getUuid()->toString());
+        $user           = $userRepository->find($user->getId()->toString());
         assert($user instanceof User);
 
         $this->assertTrue($user->isActive());
@@ -489,12 +489,12 @@ public function testAdminCanDeleteUserAccount(): void
         $identity = $this->createAdmin()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
-        $response = $this->delete('/user/' . $user->getUuid()->toString());
+        $response = $this->delete('/user/' . $user->getId()->toString());
 
         $this->assertResponseNoContent($response);
 
         $userRepository = $this->getEntityManager()->getRepository(User::class);
-        $user           = $userRepository->find($user->getUuid()->toString());
+        $user           = $userRepository->find($user->getId()->toString());
         assert($user instanceof User);
 
         $this->assertTrue($user->isDeleted());
@@ -530,7 +530,7 @@ public function testAdminUpdateUserAccountDuplicateEmail(): void
         $identity = $this->createAdmin()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
-        $response = $this->patch('/user/' . $user2->getUuid()->toString(), [
+        $response = $this->patch('/user/' . $user2->getId()->toString(), [
             'detail' => [
                 'email' => $user1->getDetail()->getEmail(),
             ],
@@ -543,7 +543,7 @@ public function testAdminUpdateUserAccountDuplicateEmail(): void
         $this->assertSame(Message::DUPLICATE_EMAIL, $data['detail']);
 
         $userDetailRepository = $this->getEntityManager()->getRepository(UserDetail::class);
-        $userDetail           = $userDetailRepository->find($user2->getDetail()->getUuid());
+        $userDetail           = $userDetailRepository->find($user2->getDetail()->getId());
         assert($userDetail instanceof UserDetail);
 
         $this->assertSame($user2->getDetail()->getEmail(), $userDetail->getEmail());
@@ -573,12 +573,12 @@ public function testAdminCanUpdateUserAccount(): void
             'status' => UserStatusEnum::Active->value,
             'roles'  => [
                 [
-                    'uuid' => $userRole->getUuid()->toString(),
+                    'id' => $userRole->getId()->toString(),
                 ],
             ],
         ];
 
-        $response = $this->patch('/user/' . $user->getUuid()->toString(), $updateData);
+        $response = $this->patch('/user/' . $user->getId()->toString(), $updateData);
 
         $this->assertResponseOk($response);
 
@@ -588,7 +588,7 @@ public function testAdminCanUpdateUserAccount(): void
         $this->assertInstanceOf(BackedEnum::class, $status);
         $this->assertSame($updateData['detail']['firstName'], $data['detail']['firstName']);
         $this->assertSame($updateData['detail']['lastName'], $data['detail']['lastName']);
-        $this->assertSame($updateData['roles'][0]['uuid'], $data['roles'][0]['uuid']);
+        $this->assertSame($updateData['roles'][0]['id'], $data['roles'][0]['id']);
     }
 
     /**
@@ -603,12 +603,12 @@ public function testAdminCanViewUserAccount(): void
         $identity = $this->createAdmin()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
-        $response = $this->get('/user/' . $user->getUuid()->toString());
+        $response = $this->get('/user/' . $user->getId()->toString());
 
         $this->assertResponseOk($response);
 
         $data = json_decode($response->getBody()->getContents(), true);
-        $this->assertSame($user->getUuid()->toString(), $data['uuid']);
+        $this->assertSame($user->getId()->toString(), $data['id']);
     }
 
     /**
@@ -621,7 +621,7 @@ public function testAdminViewNotFoundUserAccount(): void
         $identity = $this->createAdmin()->getIdentity();
         $this->loginAs($identity, self::DEFAULT_PASSWORD, 'admin', 'admin');
 
-        $response = $this->get('/user/' . (new User())->getUuid()->toString());
+        $response = $this->get('/user/' . (new User())->getId()->toString());
 
         $this->assertResponseNotFound($response);
     }
diff --git a/test/Functional/UserTest.php b/test/Functional/UserTest.php
index a5eb490..1eae7fa 100644
--- a/test/Functional/UserTest.php
+++ b/test/Functional/UserTest.php
@@ -256,7 +256,7 @@ public function testActivateMyAccount(): void
         $this->assertResponseOk($response);
 
         $userRepository = $this->getEntityManager()->getRepository(User::class);
-        $user           = $userRepository->find($user->getUuid()->toString());
+        $user           = $userRepository->find($user->getId()->toString());
         assert($user instanceof User);
 
         $this->assertTrue($user->isActive());
@@ -307,7 +307,7 @@ public function testDeleteMyAccount(): void
         $this->assertResponseNoContent($response);
 
         $userRepository = $this->getEntityManager()->getRepository(User::class);
-        $deletedUser    = $userRepository->find($user->getUuid()->toString());
+        $deletedUser    = $userRepository->find($user->getId()->toString());
         assert($deletedUser instanceof User);
 
         $this->assertTrue($deletedUser->isDeleted());
diff --git a/test/Unit/Admin/Service/AdminServiceTest.php b/test/Unit/Admin/Service/AdminServiceTest.php
index 1281a7d..b69fdd4 100644
--- a/test/Unit/Admin/Service/AdminServiceTest.php
+++ b/test/Unit/Admin/Service/AdminServiceTest.php
@@ -59,7 +59,7 @@ public function testCreateAdminSuperAdminRole(): void
         $data = $this->getAdmin([
             'roles' => [
                 [
-                    'uuid' => 'uuid',
+                    'id'   => 'id',
                     'name' => AdminRoleEnum::Superuser,
                 ],
             ],
diff --git a/test/Unit/User/Service/UserServiceTest.php b/test/Unit/User/Service/UserServiceTest.php
index ca53e8b..5504500 100644
--- a/test/Unit/User/Service/UserServiceTest.php
+++ b/test/Unit/User/Service/UserServiceTest.php
@@ -78,11 +78,11 @@ public function testCreateUserWithMultipleRoles(): void
         $data = $this->getUser([
             'roles' => [
                 [
-                    'uuid' => 'uuid',
+                    'id'   => 'id',
                     'name' => UserRoleEnum::Guest,
                 ],
                 [
-                    'uuid' => 'uuid',
+                    'id'   => 'id',
                     'name' => UserRoleEnum::User,
                 ],
             ],
@@ -102,7 +102,7 @@ public function testCreateUserWithDefaultRole(): void
         $data = $this->getUser([
             'roles' => [
                 [
-                    'uuid' => 'uuid',
+                    'id'   => 'id',
                     'name' => UserRoleEnum::User,
                 ],
             ],
@@ -196,7 +196,10 @@ private function getUser(array $data = []): array
                 'email'     => 'test@dotkernel2.com',
             ],
             'roles'    => [
-                ['uuid' => 'uuid', 'name' => UserRoleEnum::User],
+                [
+                    'id'   => 'id',
+                    'name' => UserRoleEnum::User,
+                ],
             ],
         ];