diff --git a/api/app/Http/Controllers/AuthController.php b/api/app/Http/Controllers/AuthController.php
index afd66e9..957ed11 100644
--- a/api/app/Http/Controllers/AuthController.php
+++ b/api/app/Http/Controllers/AuthController.php
@@ -53,6 +53,10 @@ class AuthController extends Controller
         if (User::where('email', $request->email)->exists()) {
             return response()->json(['message' => 'Email already registered'], 409);
         }
+        
+        if (User::where('nickname', $request->nickname)->exists()) {
+            return response()->json(['message' => 'Nickname already registered'], 409);
+        }
 
         $user = User::create([
             'email' => $request->email,
diff --git a/api/app/Http/Controllers/ProfileController.php b/api/app/Http/Controllers/ProfileController.php
index eaf8b4c..63ef7d5 100644
--- a/api/app/Http/Controllers/ProfileController.php
+++ b/api/app/Http/Controllers/ProfileController.php
@@ -3,6 +3,12 @@
 namespace App\Http\Controllers;
 
 use Illuminate\Http\Request;
+use App\Models\User;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Str;
+
 
 class ProfileController extends Controller
 {
@@ -52,7 +58,7 @@ class ProfileController extends Controller
 
         $user = $request->user();
 
-        if (!\Hash::check($request->current_password, $user->password)) {
+        if (!Hash::check($request->current_password, $user->password)) {
             return response()->json(
                 [
                     "message" => "Current password is incorrect",
@@ -61,7 +67,7 @@ class ProfileController extends Controller
             );
         }
 
-        $user->password = \Hash::make($request->new_password);
+        $user->password = Hash::make($request->new_password);
         $user->save();
 
         return response()->json([
@@ -69,6 +75,13 @@ class ProfileController extends Controller
         ]);
     }
 
+    public function getCoins(Request $request)
+    {
+        return response()->json([
+            'coins' => $request->user()->coins_balance
+        ]);
+    }
+
     public function updateAvatar(Request $request)
     {
         $request->validate([
@@ -78,7 +91,7 @@ class ProfileController extends Controller
         $user = $request->user();
 
         if ($user->photo_avatar_filename) {
-            \Storage::disk("public")->delete(
+            Storage::disk("public")->delete(
                 "photos_avatars/" . $user->photo_avatar_filename,
             );
         }
@@ -87,7 +100,7 @@ class ProfileController extends Controller
         $filename =
             str_pad($user->id, 5, "0", STR_PAD_LEFT) .
             "_" .
-            \Str::random(10) .
+            Str::random(10) .
             "." .
             $file->extension();
         $file->storeAs("photos_avatars", $filename, "public");
diff --git a/api/app/Http/Controllers/StatisticsController.php b/api/app/Http/Controllers/StatisticsController.php
new file mode 100644
index 0000000..faf7d6e
--- /dev/null
+++ b/api/app/Http/Controllers/StatisticsController.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Controllers\Controller;
+use App\Models\Game;
+use App\Models\User;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+
+class StatisticsController extends Controller
+{
+    public function getPublicStats()
+    {
+        $totalPlayers = User::where('type', 'P')->count();
+
+        $totalGames = Game::where('status', 'Ended')->count();
+        $activeGames = Game::where('status', 'Playing')->count();
+
+        return response()->json([
+            'total_players' => $totalPlayers,
+            'total_games' => $totalGames,
+            'active_games' => $activeGames,
+        ]);
+    }
+
+    public function getLeaderboard(Request $request)
+    {
+        $type = $request->query('type');
+
+        $query = User::where('type', 'P')
+            ->withCount(['wonGames' => function ($query) use ($type) {
+                if ($type) {
+                    $query->where('type', $type);
+                }
+            }])
+            ->orderBy('won_games_count', 'desc')
+            ->take(10);
+
+        $leaderboard = $query->get(['id', 'nickname', 'photo_avatar_filename']);
+
+        return response()->json($leaderboard);
+    }
+
+    public function getPersonalStats(Request $request)
+    {
+        $user = $request->user();
+
+        $totalGames = Game::where('status', 'Ended')
+            ->where(function ($q) use ($user) {
+                $q->where('player1_user_id', $user->id)
+                  ->orWhere('player2_user_id', $user->id);
+            })
+            ->count();
+
+        $totalWins = Game::where('status', 'Ended')
+            ->where('winner_user_id', $user->id)
+            ->count();
+
+        $totalLosses = $totalGames - $totalWins; // Simplest math
+
+        $winRate = 0;
+        if ($totalGames > 0) {
+            $winRate = round(($totalWins / $totalGames) * 100, 1);
+        }
+
+        return response()->json([
+            'nickname' => $user->nickname,
+            'total_games' => $totalGames,
+            'total_wins' => $totalWins,
+            'total_losses' => $totalLosses,
+            'win_rate' => $winRate . '%',
+            'current_balance' => $user->coins_balance, // Extra info
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/api/app/Models/User.php b/api/app/Models/User.php
index 9209a76..b33dc36 100644
--- a/api/app/Models/User.php
+++ b/api/app/Models/User.php
@@ -48,4 +48,14 @@ class User extends Authenticatable
         'blocked' => 'boolean',
         'deleted_at' => 'datetime',
     ];
+
+    public function wonGames()
+    {
+        return $this->hasMany(Game::class, 'winner_user_id');
+    }
+
+    public function games()
+    {
+        return $this->hasMany(Game::class, 'player1_user_id')->orWhere('player2_user_id', $this->id);
+    }
 }
diff --git a/api/routes/api.php b/api/routes/api.php
index 0601edb..b4991af 100644
--- a/api/routes/api.php
+++ b/api/routes/api.php
@@ -5,6 +5,7 @@ use App\Http\Controllers\GameController;
 use App\Http\Controllers\MatchController;
 use App\Http\Controllers\ProfileController;
 use App\Http\Controllers\UserController;
+use App\Http\Controllers\StatisticsController;
 use Illuminate\Support\Facades\Route;
 
 Route::prefix('v1')->group(function () {
@@ -12,14 +13,18 @@ Route::prefix('v1')->group(function () {
     Route::post('/login', [AuthController::class, 'login']);
     Route::post('/register', [AuthController::class, 'register']);
 
+    Route::get('/statistics/public', [StatisticsController::class, 'getPublicStats']);
+    Route::get('/leaderboard', [StatisticsController::class, 'getLeaderboard']);
+
     // Authenticated Routes
     Route::middleware(['auth:sanctum', 'throttle:60,1'])->group(function () {
         Route::post('/logout', [AuthController::class, 'logout']);
-
+        Route::get('/statistics/me', [StatisticsController::class, 'getPersonalStats']);
         Route::prefix('users/me')->group(function () {
             Route::get('/', [ProfileController::class, 'show']);
             Route::put('/', [ProfileController::class, 'update']);
             Route::delete('/', [ProfileController::class, 'destroy']);
+            Route::get('/coins', [ProfileController::class, 'getCoins']);
             Route::put('/password', [
                 ProfileController::class,
                 'updatePassword',