diff --git a/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommand.cs b/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommand.cs
index 216eb8c..677be8e 100644
--- a/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommand.cs
+++ b/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommand.cs
@@ -1,6 +1,7 @@
 using AipsCore.Application.Abstract.Command;
 using AipsCore.Application.Common.Authentication;
+using AipsCore.Application.Common.Authentication.Dtos;
 
 namespace AipsCore.Application.Models.User.Command.LogIn;
 
-public record LogInUserCommand(string Email, string Password) : ICommand<Token>;
\ No newline at end of file
+public record LogInUserCommand(string Email, string Password) : ICommand<LogInUserResultDto>;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommandHandler.cs b/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommandHandler.cs
index eebaa7d..47abc89 100644
--- a/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommandHandler.cs
+++ b/dotnet/AipsCore/Application/Models/User/Command/LogIn/LogInUserCommandHandler.cs
@@ -1,28 +1,40 @@
 using AipsCore.Application.Abstract.Command;
 using AipsCore.Application.Abstract.UserContext;
 using AipsCore.Application.Common.Authentication;
+using AipsCore.Application.Common.Authentication.Dtos;
 using AipsCore.Domain.Abstract;
-using AipsCore.Domain.Models.User.External;
 
 namespace AipsCore.Application.Models.User.Command.LogIn;
 
-public class LogInUserCommandHandler : ICommandHandler<LogInUserCommand, Token>
+public class LogInUserCommandHandler : ICommandHandler<LogInUserCommand, LogInUserResultDto>
 {
-    private readonly IUserRepository _userRepository;
     private readonly ITokenProvider _tokenProvider;
+    private readonly IRefreshTokenRepository _refreshTokenRepository;
     private readonly IAuthService _authService;
+    private readonly IUnitOfWork _unitOfWork;
     
-    public LogInUserCommandHandler(IUserRepository userRepository, ITokenProvider tokenProvider, IAuthService authService)
+    public LogInUserCommandHandler(
+        ITokenProvider tokenProvider, 
+        IRefreshTokenRepository refreshTokenRepository, 
+        IAuthService authService, 
+        IUnitOfWork unitOfWork)
     {
-        _userRepository = userRepository;
         _tokenProvider = tokenProvider;
+        _refreshTokenRepository = refreshTokenRepository;
         _authService = authService;
+        _unitOfWork = unitOfWork;
     }
     
-    public async Task<Token> Handle(LogInUserCommand command, CancellationToken cancellationToken = default)
+    public async Task<LogInUserResultDto> Handle(LogInUserCommand command, CancellationToken cancellationToken = default)
     {
         var loginResult = await _authService.LoginWithEmailAndPasswordAsync(command.Email, command.Password, cancellationToken);
 
-        return new Token(_tokenProvider.Generate(loginResult.User, loginResult.Roles));
+        var accessToken = _tokenProvider.GenerateAccessToken(loginResult.User, loginResult.Roles);
+        var refreshToken = _tokenProvider.GenerateRefreshToken();
+        
+        await _refreshTokenRepository.AddAsync(refreshToken, loginResult.User.Id, cancellationToken);
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        return new LogInUserResultDto(accessToken, refreshToken);
     }
 }
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/LogOut/LogOutCommand.cs b/dotnet/AipsCore/Application/Models/User/Command/LogOut/LogOutCommand.cs
new file mode 100644
index 0000000..4dba5f9
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/User/Command/LogOut/LogOutCommand.cs
@@ -0,0 +1,5 @@
+using AipsCore.Application.Abstract.Command;
+
+namespace AipsCore.Application.Models.User.Command.LogOut;
+
+public record LogOutCommand(string RefreshToken) : ICommand;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/LogOut/LogOutCommandHandler.cs b/dotnet/AipsCore/Application/Models/User/Command/LogOut/LogOutCommandHandler.cs
new file mode 100644
index 0000000..629fb55
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/User/Command/LogOut/LogOutCommandHandler.cs
@@ -0,0 +1,19 @@
+using AipsCore.Application.Abstract.Command;
+using AipsCore.Application.Abstract.UserContext;
+
+namespace AipsCore.Application.Models.User.Command.LogOut;
+
+public class LogOutCommandHandler : ICommandHandler<LogOutCommand>
+{
+    private readonly IRefreshTokenRepository _refreshTokenRepository;
+    
+    public LogOutCommandHandler(IRefreshTokenRepository refreshTokenRepository)
+    {
+        _refreshTokenRepository = refreshTokenRepository;
+    }
+    
+    public async Task Handle(LogOutCommand command, CancellationToken cancellationToken = default)
+    {
+        await _refreshTokenRepository.RevokeAsync(command.RefreshToken, cancellationToken);
+    }
+}
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/LogOutAll/LogOutAllCommand.cs b/dotnet/AipsCore/Application/Models/User/Command/LogOutAll/LogOutAllCommand.cs
new file mode 100644
index 0000000..da0f25c
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/User/Command/LogOutAll/LogOutAllCommand.cs
@@ -0,0 +1,5 @@
+using AipsCore.Application.Abstract.Command;
+
+namespace AipsCore.Application.Models.User.Command.LogOutAll;
+
+public record LogOutAllCommand : ICommand;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/LogOutAll/LogOutAllCommandHandler.cs b/dotnet/AipsCore/Application/Models/User/Command/LogOutAll/LogOutAllCommandHandler.cs
new file mode 100644
index 0000000..c324d76
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/User/Command/LogOutAll/LogOutAllCommandHandler.cs
@@ -0,0 +1,23 @@
+using AipsCore.Application.Abstract.Command;
+using AipsCore.Application.Abstract.UserContext;
+
+namespace AipsCore.Application.Models.User.Command.LogOutAll;
+
+public class LogOutAllCommandHandler : ICommandHandler<LogOutAllCommand>
+{
+    private readonly IRefreshTokenRepository _refreshTokenRepository;
+    private readonly IUserContext _userContext;
+    
+    public LogOutAllCommandHandler(IRefreshTokenRepository refreshTokenRepository, IUserContext userContext)
+    {
+        _refreshTokenRepository = refreshTokenRepository;
+        _userContext = userContext;
+    }
+    
+    public Task Handle(LogOutAllCommand command, CancellationToken cancellationToken = default)
+    {
+        var userId = _userContext.GetCurrentUserId();
+        
+        return _refreshTokenRepository.RevokeAllAsync(userId, cancellationToken);
+    }
+}
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/RefreshLogIn/RefreshLogInCommand.cs b/dotnet/AipsCore/Application/Models/User/Command/RefreshLogIn/RefreshLogInCommand.cs
new file mode 100644
index 0000000..12c856b
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/User/Command/RefreshLogIn/RefreshLogInCommand.cs
@@ -0,0 +1,6 @@
+using AipsCore.Application.Abstract.Command;
+using AipsCore.Application.Common.Authentication.Dtos;
+
+namespace AipsCore.Application.Models.User.Command.RefreshLogIn;
+
+public record RefreshLogInCommand(string RefreshToken) : ICommand<LogInUserResultDto>;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/RefreshLogIn/RefreshLogInCommandHandler.cs b/dotnet/AipsCore/Application/Models/User/Command/RefreshLogIn/RefreshLogInCommandHandler.cs
new file mode 100644
index 0000000..6d1b568
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/User/Command/RefreshLogIn/RefreshLogInCommandHandler.cs
@@ -0,0 +1,44 @@
+using AipsCore.Application.Abstract.Command;
+using AipsCore.Application.Abstract.UserContext;
+using AipsCore.Application.Common.Authentication;
+using AipsCore.Application.Common.Authentication.Dtos;
+using AipsCore.Domain.Abstract;
+
+namespace AipsCore.Application.Models.User.Command.RefreshLogIn;
+
+public class RefreshLogInCommandHandler : ICommandHandler<RefreshLogInCommand, LogInUserResultDto>
+{
+    private readonly ITokenProvider _tokenProvider;
+    private readonly IRefreshTokenRepository _refreshTokenRepository;
+    private readonly IAuthService _authService;
+    private readonly IUnitOfWork _unitOfWork;
+    
+    public RefreshLogInCommandHandler(
+        ITokenProvider tokenProvider, 
+        IRefreshTokenRepository refreshTokenRepository,
+        IAuthService authService,
+        IUnitOfWork unitOfWork)
+    {
+        _tokenProvider = tokenProvider;
+        _refreshTokenRepository = refreshTokenRepository;
+        _authService = authService;
+        _unitOfWork = unitOfWork;
+    }
+    
+    public async Task<LogInUserResultDto> Handle(RefreshLogInCommand command, CancellationToken cancellationToken = default)
+    {
+        var refreshToken = await _refreshTokenRepository.GetByValueAsync(command.RefreshToken, cancellationToken);
+        
+        var loginResult = await _authService.LoginWithRefreshTokenAsync(refreshToken, cancellationToken);
+
+        var newAccessToken = _tokenProvider.GenerateAccessToken(loginResult.User, loginResult.Roles);
+        var newRefreshToken = _tokenProvider.GenerateRefreshToken();
+        
+        await _refreshTokenRepository.RevokeAsync(refreshToken.Value, cancellationToken);
+        await _refreshTokenRepository.AddAsync(newRefreshToken, loginResult.User.Id, cancellationToken);
+        
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+        
+        return new LogInUserResultDto(newAccessToken, newRefreshToken);
+    }
+}
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/User/Command/SignUp/SignUpUserCommandHandler.cs b/dotnet/AipsCore/Application/Models/User/Command/SignUp/SignUpUserCommandHandler.cs
index 925c22f..0c67df8 100644
--- a/dotnet/AipsCore/Application/Models/User/Command/SignUp/SignUpUserCommandHandler.cs
+++ b/dotnet/AipsCore/Application/Models/User/Command/SignUp/SignUpUserCommandHandler.cs
@@ -1,19 +1,15 @@
 using AipsCore.Application.Abstract.Command;
 using AipsCore.Application.Common.Authentication;
-using AipsCore.Domain.Abstract;
-using AipsCore.Domain.Models.User.External;
 using AipsCore.Domain.Models.User.ValueObjects;
 
 namespace AipsCore.Application.Models.User.Command.SignUp;
 
 public class SignUpUserCommandHandler : ICommandHandler<SignUpUserCommand, UserId>
 {
-    private readonly IUserRepository _userRepository;
     private readonly IAuthService _authService;
     
-    public SignUpUserCommandHandler(IUserRepository userRepository, IAuthService authService)
+    public SignUpUserCommandHandler(IAuthService authService)
     {
-        _userRepository = userRepository;
         _authService = authService;
     }