diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index c3d995a..660dd14 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -9,5 +9,6 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageVersion>
     <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.2" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="10.0.2" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/FiscalOS.API/Migrations/20260201115839_AddUsersAndRefreshTokens.Designer.cs b/src/FiscalOS.API/Migrations/20260201115839_AddUsersAndRefreshTokens.Designer.cs
deleted file mode 100644
index 207a6db..0000000
--- a/src/FiscalOS.API/Migrations/20260201115839_AddUsersAndRefreshTokens.Designer.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// <auto-generated />
-using System;
-using FiscalOS.API.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace FiscalOS.API.Migrations
-{
-    [DbContext(typeof(AppDbContext))]
-    [Migration("20260201115839_AddUsersAndRefreshTokens")]
-    partial class AddUsersAndRefreshTokens
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "10.0.2");
-
-            modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("RefreshTokens");
-                });
-
-            modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Users");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/src/FiscalOS.API/Migrations/20260201115839_AddUsersAndRefreshTokens.cs b/src/FiscalOS.API/Migrations/20260201115839_AddUsersAndRefreshTokens.cs
deleted file mode 100644
index 54fc763..0000000
--- a/src/FiscalOS.API/Migrations/20260201115839_AddUsersAndRefreshTokens.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace FiscalOS.API.Migrations
-{
-    /// <inheritdoc />
-    public partial class AddUsersAndRefreshTokens : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "RefreshTokens",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "TEXT", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_RefreshTokens", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Users",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "TEXT", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Users", x => x.Id);
-                });
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "RefreshTokens");
-
-            migrationBuilder.DropTable(
-                name: "Users");
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/FiscalOS.API/Migrations/20260201125529_AddUsernameToUsers.cs b/src/FiscalOS.API/Migrations/20260201125529_AddUsernameToUsers.cs
deleted file mode 100644
index 612c7f5..0000000
--- a/src/FiscalOS.API/Migrations/20260201125529_AddUsernameToUsers.cs
+++ /dev/null
@@ -1,62 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace FiscalOS.API.Migrations
-{
-    /// <inheritdoc />
-    public partial class AddUsernameToUsers : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.AddColumn<string>(
-                name: "Username",
-                table: "Users",
-                type: "TEXT",
-                nullable: false,
-                defaultValue: "");
-
-            migrationBuilder.AddColumn<Guid>(
-                name: "UserId",
-                table: "RefreshTokens",
-                type: "TEXT",
-                nullable: false,
-                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
-
-            migrationBuilder.CreateIndex(
-                name: "IX_RefreshTokens_UserId",
-                table: "RefreshTokens",
-                column: "UserId");
-
-            migrationBuilder.AddForeignKey(
-                name: "FK_RefreshTokens_Users_UserId",
-                table: "RefreshTokens",
-                column: "UserId",
-                principalTable: "Users",
-                principalColumn: "Id",
-                onDelete: ReferentialAction.Cascade);
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropForeignKey(
-                name: "FK_RefreshTokens_Users_UserId",
-                table: "RefreshTokens");
-
-            migrationBuilder.DropIndex(
-                name: "IX_RefreshTokens_UserId",
-                table: "RefreshTokens");
-
-            migrationBuilder.DropColumn(
-                name: "Username",
-                table: "Users");
-
-            migrationBuilder.DropColumn(
-                name: "UserId",
-                table: "RefreshTokens");
-        }
-    }
-}
diff --git a/src/FiscalOS.API/Data/AppDbContext.cs b/src/FiscalOS.Infra/Data/AppDbContext.cs
similarity index 61%
rename from src/FiscalOS.API/Data/AppDbContext.cs
rename to src/FiscalOS.Infra/Data/AppDbContext.cs
index aaaa724..acc250d 100644
--- a/src/FiscalOS.API/Data/AppDbContext.cs
+++ b/src/FiscalOS.Infra/Data/AppDbContext.cs
@@ -1,6 +1,8 @@
-namespace FiscalOS.API.Data;
+using FiscalOS.Core.Data;
 
-internal sealed class AppDbContext(IOptions<AppDbContextOptions> ctxOptions) : DbContext
+namespace FiscalOS.Infra.Data;
+
+public sealed class AppDbContext(IOptions<AppDbContextOptions> ctxOptions) : DbContext
 {
   private const string DataSourceKey = "Data Source=";
   private readonly AppDbContextOptions _ctxOptions = ctxOptions.Value;
@@ -20,13 +22,29 @@ internal sealed class AppDbContext(IOptions<AppDbContextOptions> ctxOptions) : D
 
     var connectionString = $"{DataSourceKey}{dbPath}";
 
-    optionsBuilder.UseSqlite(connectionString);
+    optionsBuilder.UseSqlite(connectionString)
+      .AddInterceptors(new TimestampInterceptor());
   }
 
   protected override void OnModelCreating(ModelBuilder modelBuilder)
   {
     base.OnModelCreating(modelBuilder);
 
+    var entityTypes = modelBuilder.Model.GetEntityTypes()
+      .Where(static e => typeof(Entity).IsAssignableFrom(e.ClrType));
+
+    foreach (var entityType in entityTypes)
+    {
+      modelBuilder.Entity(entityType.ClrType)
+          .HasKey(nameof(Entity.Id));
+
+      modelBuilder.Entity(entityType.ClrType)
+          .Property(nameof(Entity.CreatedAt));
+
+      modelBuilder.Entity(entityType.ClrType)
+          .Property(nameof(Entity.UpdatedAt));
+    }
+
     modelBuilder.Entity<User>(static eb =>
     {
       eb.HasMany(static u => u.RefreshTokens)
@@ -34,8 +52,8 @@ internal sealed class AppDbContext(IOptions<AppDbContextOptions> ctxOptions) : D
         .HasForeignKey(static t => t.UserId)
         .OnDelete(DeleteBehavior.Cascade);
 
-      eb.Property(static u => u.Id).ValueGeneratedOnAdd();
       eb.Property(static u => u.Username);
+      eb.Property(static u => u.HashedPassword);
     });
 
     modelBuilder.Entity<RefreshToken>(static eb =>
diff --git a/src/FiscalOS.API/Data/AppDbContextOptions.cs b/src/FiscalOS.Infra/Data/AppDbContextOptions.cs
similarity index 77%
rename from src/FiscalOS.API/Data/AppDbContextOptions.cs
rename to src/FiscalOS.Infra/Data/AppDbContextOptions.cs
index 786acc5..b0d48e4 100644
--- a/src/FiscalOS.API/Data/AppDbContextOptions.cs
+++ b/src/FiscalOS.Infra/Data/AppDbContextOptions.cs
@@ -1,6 +1,6 @@
-namespace FiscalOS.API.Data;
+namespace FiscalOS.Infra.Data;
 
-internal sealed record AppDbContextOptions
+public sealed record AppDbContextOptions
 {
   public string DatabaseFilePath { get; init; } = string.Empty;
   public string GetFullyQualifiedDatabasePath()
@@ -9,7 +9,7 @@ internal sealed record AppDbContextOptions
   }
 }
 
-internal sealed record AppDbContextOptionsSetup : IConfigureOptions<AppDbContextOptions>
+public sealed record AppDbContextOptionsSetup : IConfigureOptions<AppDbContextOptions>
 {
   private const string SectionName = nameof(AppDbContextOptions);
   private readonly IConfiguration _configuration;
diff --git a/src/FiscalOS.API/Data/MigrationService.cs b/src/FiscalOS.Infra/Data/MigrationService.cs
similarity index 84%
rename from src/FiscalOS.API/Data/MigrationService.cs
rename to src/FiscalOS.Infra/Data/MigrationService.cs
index d236525..596b33a 100644
--- a/src/FiscalOS.API/Data/MigrationService.cs
+++ b/src/FiscalOS.Infra/Data/MigrationService.cs
@@ -1,4 +1,4 @@
-namespace FiscalOS.API.Data;
+namespace FiscalOS.Infra.Data;
 
 internal sealed class MigrationService(
   IServiceProvider serviceProvider,
@@ -13,7 +13,7 @@ internal sealed class MigrationService(
 
     using var scope = _serviceProvider.CreateScope();
     var context = scope.ServiceProvider.GetRequiredService<AppDbContext>();
-    await context.Database.MigrateAsync(cancellationToken);
+    await context.Database.MigrateAsync(cancellationToken).ConfigureAwait(false);
 
     logger.LogInformation("Database migrations applied.");
   }
diff --git a/src/FiscalOS.API/Identity/PasswordHasher.cs b/src/FiscalOS.Infra/Identity/PasswordHasher.cs
similarity index 83%
rename from src/FiscalOS.API/Identity/PasswordHasher.cs
rename to src/FiscalOS.Infra/Identity/PasswordHasher.cs
index 31ee6aa..8ebd890 100644
--- a/src/FiscalOS.API/Identity/PasswordHasher.cs
+++ b/src/FiscalOS.Infra/Identity/PasswordHasher.cs
@@ -1,14 +1,6 @@
-using System.Security.Cryptography;
+namespace FiscalOS.Infra.Identity;
 
-namespace FiscalOS.API.Identity;
-
-internal interface IPasswordHasher
-{
-  string Hash(string password);
-  bool Verify(string providedPassword, string hashedPassword);
-}
-
-internal class PasswordHasher : IPasswordHasher
+public sealed class PasswordHasher : IPasswordHasher
 {
   private const int SaltSize = 16;
   private const int HashSize = 32;
diff --git a/src/FiscalOS.Infra/Migrations/20260201115839_AddUsersAndRefreshTokens.Designer.cs b/src/FiscalOS.Infra/Migrations/20260201115839_AddUsersAndRefreshTokens.Designer.cs
new file mode 100644
index 0000000..e0c3eb4
--- /dev/null
+++ b/src/FiscalOS.Infra/Migrations/20260201115839_AddUsersAndRefreshTokens.Designer.cs
@@ -0,0 +1,47 @@
+// <auto-generated />
+using System;
+using FiscalOS.Infra.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FiscalOS.Infra.Migrations
+{
+  [DbContext(typeof(AppDbContext))]
+  [Migration("20260201115839_AddUsersAndRefreshTokens")]
+  partial class AddUsersAndRefreshTokens
+  {
+    /// <inheritdoc />
+    protected override void BuildTargetModel(ModelBuilder modelBuilder)
+    {
+#pragma warning disable 612, 618
+      modelBuilder.HasAnnotation("ProductVersion", "10.0.2");
+
+      modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+          {
+            b.Property<Guid>("Id")
+                      .ValueGeneratedOnAdd()
+                      .HasColumnType("TEXT");
+
+            b.HasKey("Id");
+
+            b.ToTable("RefreshTokens");
+          });
+
+      modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+          {
+            b.Property<Guid>("Id")
+                      .ValueGeneratedOnAdd()
+                      .HasColumnType("TEXT");
+
+            b.HasKey("Id");
+
+            b.ToTable("Users");
+          });
+#pragma warning restore 612, 618
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/FiscalOS.Infra/Migrations/20260201115839_AddUsersAndRefreshTokens.cs b/src/FiscalOS.Infra/Migrations/20260201115839_AddUsersAndRefreshTokens.cs
new file mode 100644
index 0000000..09951ad
--- /dev/null
+++ b/src/FiscalOS.Infra/Migrations/20260201115839_AddUsersAndRefreshTokens.cs
@@ -0,0 +1,48 @@
+using System;
+
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FiscalOS.Infra.Migrations
+{
+  /// <inheritdoc />
+  public partial class AddUsersAndRefreshTokens : Migration
+  {
+    /// <inheritdoc />
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+      migrationBuilder.CreateTable(
+          name: "RefreshTokens",
+          columns: table => new
+          {
+            Id = table.Column<Guid>(type: "TEXT", nullable: false)
+          },
+          constraints: table =>
+          {
+            table.PrimaryKey("PK_RefreshTokens", x => x.Id);
+          });
+
+      migrationBuilder.CreateTable(
+          name: "Users",
+          columns: table => new
+          {
+            Id = table.Column<Guid>(type: "TEXT", nullable: false)
+          },
+          constraints: table =>
+          {
+            table.PrimaryKey("PK_Users", x => x.Id);
+          });
+    }
+
+    /// <inheritdoc />
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+      migrationBuilder.DropTable(
+          name: "RefreshTokens");
+
+      migrationBuilder.DropTable(
+          name: "Users");
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/FiscalOS.Infra/Migrations/20260201125529_AddUsernameToUsers.Designer.cs b/src/FiscalOS.Infra/Migrations/20260201125529_AddUsernameToUsers.Designer.cs
new file mode 100644
index 0000000..b83358a
--- /dev/null
+++ b/src/FiscalOS.Infra/Migrations/20260201125529_AddUsernameToUsers.Designer.cs
@@ -0,0 +1,72 @@
+// <auto-generated />
+using System;
+using FiscalOS.Infra.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FiscalOS.Infra.Migrations
+{
+  [DbContext(typeof(AppDbContext))]
+  [Migration("20260201125529_AddUsernameToUsers")]
+  partial class AddUsernameToUsers
+  {
+    /// <inheritdoc />
+    protected override void BuildTargetModel(ModelBuilder modelBuilder)
+    {
+#pragma warning disable 612, 618
+      modelBuilder.HasAnnotation("ProductVersion", "10.0.2");
+
+      modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+          {
+            b.Property<Guid>("Id")
+                      .ValueGeneratedOnAdd()
+                      .HasColumnType("TEXT");
+
+            b.Property<Guid>("UserId")
+                      .HasColumnType("TEXT");
+
+            b.HasKey("Id");
+
+            b.HasIndex("UserId");
+
+            b.ToTable("RefreshTokens");
+          });
+
+      modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+          {
+            b.Property<Guid>("Id")
+                      .ValueGeneratedOnAdd()
+                      .HasColumnType("TEXT");
+
+            b.Property<string>("Username")
+                      .IsRequired()
+                      .HasColumnType("TEXT");
+
+            b.HasKey("Id");
+
+            b.ToTable("Users");
+          });
+
+      modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+          {
+            b.HasOne("FiscalOS.API.Identity.User", "User")
+                      .WithMany("RefreshTokens")
+                      .HasForeignKey("UserId")
+                      .OnDelete(DeleteBehavior.Cascade)
+                      .IsRequired();
+
+            b.Navigation("User");
+          });
+
+      modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+          {
+            b.Navigation("RefreshTokens");
+          });
+#pragma warning restore 612, 618
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/FiscalOS.Infra/Migrations/20260201125529_AddUsernameToUsers.cs b/src/FiscalOS.Infra/Migrations/20260201125529_AddUsernameToUsers.cs
new file mode 100644
index 0000000..77be84c
--- /dev/null
+++ b/src/FiscalOS.Infra/Migrations/20260201125529_AddUsernameToUsers.cs
@@ -0,0 +1,63 @@
+using System;
+
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FiscalOS.Infra.Migrations
+{
+  /// <inheritdoc />
+  public partial class AddUsernameToUsers : Migration
+  {
+    /// <inheritdoc />
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+      migrationBuilder.AddColumn<string>(
+          name: "Username",
+          table: "Users",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: "");
+
+      migrationBuilder.AddColumn<Guid>(
+          name: "UserId",
+          table: "RefreshTokens",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
+
+      migrationBuilder.CreateIndex(
+          name: "IX_RefreshTokens_UserId",
+          table: "RefreshTokens",
+          column: "UserId");
+
+      migrationBuilder.AddForeignKey(
+          name: "FK_RefreshTokens_Users_UserId",
+          table: "RefreshTokens",
+          column: "UserId",
+          principalTable: "Users",
+          principalColumn: "Id",
+          onDelete: ReferentialAction.Cascade);
+    }
+
+    /// <inheritdoc />
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+      migrationBuilder.DropForeignKey(
+          name: "FK_RefreshTokens_Users_UserId",
+          table: "RefreshTokens");
+
+      migrationBuilder.DropIndex(
+          name: "IX_RefreshTokens_UserId",
+          table: "RefreshTokens");
+
+      migrationBuilder.DropColumn(
+          name: "Username",
+          table: "Users");
+
+      migrationBuilder.DropColumn(
+          name: "UserId",
+          table: "RefreshTokens");
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/FiscalOS.API/Migrations/20260201125529_AddUsernameToUsers.Designer.cs b/src/FiscalOS.Infra/Migrations/20260202010259_AddTimestamps.Designer.cs
similarity index 61%
rename from src/FiscalOS.API/Migrations/20260201125529_AddUsernameToUsers.Designer.cs
rename to src/FiscalOS.Infra/Migrations/20260202010259_AddTimestamps.Designer.cs
index f0afd9e..3585c32 100644
--- a/src/FiscalOS.API/Migrations/20260201125529_AddUsernameToUsers.Designer.cs
+++ b/src/FiscalOS.Infra/Migrations/20260202010259_AddTimestamps.Designer.cs
@@ -1,6 +1,6 @@
 // <auto-generated />
 using System;
-using FiscalOS.API.Data;
+using FiscalOS.Infra.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Migrations;
@@ -8,11 +8,11 @@ using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 
 #nullable disable
 
-namespace FiscalOS.API.Migrations
+namespace FiscalOS.Infra.Migrations
 {
     [DbContext(typeof(AppDbContext))]
-    [Migration("20260201125529_AddUsernameToUsers")]
-    partial class AddUsernameToUsers
+    [Migration("20260202010259_AddTimestamps")]
+    partial class AddTimestamps
     {
         /// <inheritdoc />
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -20,12 +20,18 @@ namespace FiscalOS.API.Migrations
 #pragma warning disable 612, 618
             modelBuilder.HasAnnotation("ProductVersion", "10.0.2");
 
-            modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.RefreshToken", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("TEXT");
 
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("TEXT");
+
                     b.Property<Guid>("UserId")
                         .HasColumnType("TEXT");
 
@@ -36,12 +42,22 @@ namespace FiscalOS.API.Migrations
                     b.ToTable("RefreshTokens");
                 });
 
-            modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.User", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("TEXT");
 
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("HashedPassword")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("TEXT");
+
                     b.Property<string>("Username")
                         .IsRequired()
                         .HasColumnType("TEXT");
@@ -51,9 +67,9 @@ namespace FiscalOS.API.Migrations
                     b.ToTable("Users");
                 });
 
-            modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.RefreshToken", b =>
                 {
-                    b.HasOne("FiscalOS.API.Identity.User", "User")
+                    b.HasOne("FiscalOS.Core.Identity.User", "User")
                         .WithMany("RefreshTokens")
                         .HasForeignKey("UserId")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -62,7 +78,7 @@ namespace FiscalOS.API.Migrations
                     b.Navigation("User");
                 });
 
-            modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.User", b =>
                 {
                     b.Navigation("RefreshTokens");
                 });
diff --git a/src/FiscalOS.Infra/Migrations/20260202010259_AddTimestamps.cs b/src/FiscalOS.Infra/Migrations/20260202010259_AddTimestamps.cs
new file mode 100644
index 0000000..c5376b2
--- /dev/null
+++ b/src/FiscalOS.Infra/Migrations/20260202010259_AddTimestamps.cs
@@ -0,0 +1,75 @@
+using System;
+
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FiscalOS.Infra.Migrations
+{
+  /// <inheritdoc />
+  public partial class AddTimestamps : Migration
+  {
+    /// <inheritdoc />
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+      migrationBuilder.AddColumn<DateTimeOffset>(
+          name: "CreatedAt",
+          table: "Users",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: new DateTimeOffset(new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified), new TimeSpan(0, 0, 0, 0, 0)));
+
+      migrationBuilder.AddColumn<string>(
+          name: "HashedPassword",
+          table: "Users",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: "");
+
+      migrationBuilder.AddColumn<DateTimeOffset>(
+          name: "UpdatedAt",
+          table: "Users",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: new DateTimeOffset(new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified), new TimeSpan(0, 0, 0, 0, 0)));
+
+      migrationBuilder.AddColumn<DateTimeOffset>(
+          name: "CreatedAt",
+          table: "RefreshTokens",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: new DateTimeOffset(new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified), new TimeSpan(0, 0, 0, 0, 0)));
+
+      migrationBuilder.AddColumn<DateTimeOffset>(
+          name: "UpdatedAt",
+          table: "RefreshTokens",
+          type: "TEXT",
+          nullable: false,
+          defaultValue: new DateTimeOffset(new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified), new TimeSpan(0, 0, 0, 0, 0)));
+    }
+
+    /// <inheritdoc />
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+      migrationBuilder.DropColumn(
+          name: "CreatedAt",
+          table: "Users");
+
+      migrationBuilder.DropColumn(
+          name: "HashedPassword",
+          table: "Users");
+
+      migrationBuilder.DropColumn(
+          name: "UpdatedAt",
+          table: "Users");
+
+      migrationBuilder.DropColumn(
+          name: "CreatedAt",
+          table: "RefreshTokens");
+
+      migrationBuilder.DropColumn(
+          name: "UpdatedAt",
+          table: "RefreshTokens");
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/FiscalOS.API/Migrations/AppDbContextModelSnapshot.cs b/src/FiscalOS.Infra/Migrations/AppDbContextModelSnapshot.cs
similarity index 63%
rename from src/FiscalOS.API/Migrations/AppDbContextModelSnapshot.cs
rename to src/FiscalOS.Infra/Migrations/AppDbContextModelSnapshot.cs
index 8e86d70..1595455 100644
--- a/src/FiscalOS.API/Migrations/AppDbContextModelSnapshot.cs
+++ b/src/FiscalOS.Infra/Migrations/AppDbContextModelSnapshot.cs
@@ -1,13 +1,13 @@
 // <auto-generated />
 using System;
-using FiscalOS.API.Data;
+using FiscalOS.Infra.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 
 #nullable disable
 
-namespace FiscalOS.API.Migrations
+namespace FiscalOS.Infra.Migrations
 {
     [DbContext(typeof(AppDbContext))]
     partial class AppDbContextModelSnapshot : ModelSnapshot
@@ -17,12 +17,18 @@ namespace FiscalOS.API.Migrations
 #pragma warning disable 612, 618
             modelBuilder.HasAnnotation("ProductVersion", "10.0.2");
 
-            modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.RefreshToken", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("TEXT");
 
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("TEXT");
+
                     b.Property<Guid>("UserId")
                         .HasColumnType("TEXT");
 
@@ -33,12 +39,22 @@ namespace FiscalOS.API.Migrations
                     b.ToTable("RefreshTokens");
                 });
 
-            modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.User", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("TEXT");
 
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("HashedPassword")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTimeOffset>("UpdatedAt")
+                        .HasColumnType("TEXT");
+
                     b.Property<string>("Username")
                         .IsRequired()
                         .HasColumnType("TEXT");
@@ -48,9 +64,9 @@ namespace FiscalOS.API.Migrations
                     b.ToTable("Users");
                 });
 
-            modelBuilder.Entity("FiscalOS.API.Identity.RefreshToken", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.RefreshToken", b =>
                 {
-                    b.HasOne("FiscalOS.API.Identity.User", "User")
+                    b.HasOne("FiscalOS.Core.Identity.User", "User")
                         .WithMany("RefreshTokens")
                         .HasForeignKey("UserId")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -59,7 +75,7 @@ namespace FiscalOS.API.Migrations
                     b.Navigation("User");
                 });
 
-            modelBuilder.Entity("FiscalOS.API.Identity.User", b =>
+            modelBuilder.Entity("FiscalOS.Core.Identity.User", b =>
                 {
                     b.Navigation("RefreshTokens");
                 });
diff --git a/src/FiscalOS.Infra/Usings.cs b/src/FiscalOS.Infra/Usings.cs
new file mode 100644
index 0000000..3910b7f
--- /dev/null
+++ b/src/FiscalOS.Infra/Usings.cs
@@ -0,0 +1,13 @@
+global using System.Security.Cryptography;
+
+global using FiscalOS.Core.Identity;
+global using FiscalOS.Infra.Data;
+global using FiscalOS.Infra.Identity;
+
+global using Microsoft.EntityFrameworkCore;
+global using Microsoft.EntityFrameworkCore.Diagnostics;
+global using Microsoft.Extensions.Configuration;
+global using Microsoft.Extensions.DependencyInjection;
+global using Microsoft.Extensions.Hosting;
+global using Microsoft.Extensions.Logging;
+global using Microsoft.Extensions.Options;
\ No newline at end of file