diff --git a/.idea/.idea.Unitagram/.idea/efCoreCommonOptions.xml b/.idea/.idea.Unitagram/.idea/efCoreCommonOptions.xml
index 8400ccf..de998a3 100644
--- a/.idea/.idea.Unitagram/.idea/efCoreCommonOptions.xml
+++ b/.idea/.idea.Unitagram/.idea/efCoreCommonOptions.xml
@@ -3,7 +3,7 @@
   <component name="EfCoreCommonOptions">
     <option name="solutionLevelOptions">
       <map>
-        <entry key="migrationsProject" value="98e1523b-92a4-4672-86d0-b2c1524c9b39" />
+        <entry key="migrationsProject" value="92f29964-97b1-45b1-a77c-3580f1e8a8b4" />
         <entry key="startupProject" value="cf23ee9a-1cc2-4b9a-9c3b-78e47d05f987" />
       </map>
     </option>
diff --git a/Unitagram.Domain/OtpConfirmation.cs b/Unitagram.Domain/OtpConfirmation.cs
new file mode 100644
index 0000000..8db0fca
--- /dev/null
+++ b/Unitagram.Domain/OtpConfirmation.cs
@@ -0,0 +1,10 @@
+namespace Unitagram.Domain;
+
+public class OtpConfirmation
+{
+    public Guid UserId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string Value { get; set; } = string.Empty;
+    public int RetryCount { get; set; }
+    public DateTime? RetryDateTime { get; set; }
+}
\ No newline at end of file
diff --git a/Unitagram.Persistence/Configurations/OtpConfirmationConfiguration.cs b/Unitagram.Persistence/Configurations/OtpConfirmationConfiguration.cs
new file mode 100644
index 0000000..3c94af9
--- /dev/null
+++ b/Unitagram.Persistence/Configurations/OtpConfirmationConfiguration.cs
@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using Unitagram.Domain;
+
+namespace Unitagram.Persistence.Configurations;
+
+public class OtpConfirmationConfiguration : IEntityTypeConfiguration<OtpConfirmation>
+{
+    public void Configure(EntityTypeBuilder<OtpConfirmation> builder)
+    {
+        builder.HasKey(o =>  new { o.UserId, o.Name});
+
+        builder.Property(o => o.Name)
+            .HasMaxLength(50);
+
+        builder.Property(o => o.RetryCount)
+            .HasColumnType("tinyint")
+            .HasDefaultValue((byte)0)
+            .IsRequired();
+        
+        builder.Property(o => o.Value)
+            .IsRequired()
+            .HasMaxLength(10);
+
+        builder.Property(o => o.RetryDateTime)
+            .IsRequired(false);
+    }
+}
\ No newline at end of file
diff --git a/Unitagram.Persistence/DatabaseContext/UnitagramDatabaseContext.cs b/Unitagram.Persistence/DatabaseContext/UnitagramDatabaseContext.cs
index 2b4258a..77d084c 100644
--- a/Unitagram.Persistence/DatabaseContext/UnitagramDatabaseContext.cs
+++ b/Unitagram.Persistence/DatabaseContext/UnitagramDatabaseContext.cs
@@ -17,6 +17,7 @@ protected UnitagramDatabaseContext()
     
     public DbSet<University> University { get; set; }
     public DbSet<UniversityUser> UniversityUser { get; set; }
+    public DbSet<OtpConfirmation> OtpConfirmation { get; set; }
     
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
diff --git a/Unitagram.Persistence/Migrations/20230910144223_AddOtpConfirmation.Designer.cs b/Unitagram.Persistence/Migrations/20230910144223_AddOtpConfirmation.Designer.cs
new file mode 100644
index 0000000..1d22711
--- /dev/null
+++ b/Unitagram.Persistence/Migrations/20230910144223_AddOtpConfirmation.Designer.cs
@@ -0,0 +1,106 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Unitagram.Persistence.DatabaseContext;
+
+#nullable disable
+
+namespace Unitagram.Persistence.Migrations
+{
+    [DbContext(typeof(UnitagramDatabaseContext))]
+    [Migration("20230910144223_AddOtpConfirmation")]
+    partial class AddOtpConfirmation
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.10")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("Unitagram.Domain.OtpConfirmation", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<byte>("RetryCount")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("tinyint")
+                        .HasDefaultValue((byte)0);
+
+                    b.Property<DateTime?>("RetryDateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.HasKey("UserId", "Name");
+
+                    b.ToTable("OtpConfirmation");
+                });
+
+            modelBuilder.Entity("Unitagram.Domain.University", b =>
+                {
+                    b.Property<Guid>("UniversityId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreatedOnUtc")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Domain")
+                        .IsRequired()
+                        .HasMaxLength(150)
+                        .HasColumnType("nvarchar(150)");
+
+                    b.Property<DateTime?>("ModifiedOnUtc")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Province")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("UniversityId");
+
+                    b.ToTable("University");
+                });
+
+            modelBuilder.Entity("Unitagram.Domain.UniversityUser", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<Guid>("UniversityId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.HasKey("UserId");
+
+                    b.HasIndex("UniversityId")
+                        .HasDatabaseName("IX_UniversityUser_UniversityId");
+
+                    b.ToTable("UniversityUser");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Unitagram.Persistence/Migrations/20230910144223_AddOtpConfirmation.cs b/Unitagram.Persistence/Migrations/20230910144223_AddOtpConfirmation.cs
new file mode 100644
index 0000000..3f6d0c5
--- /dev/null
+++ b/Unitagram.Persistence/Migrations/20230910144223_AddOtpConfirmation.cs
@@ -0,0 +1,37 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Unitagram.Persistence.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddOtpConfirmation : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "OtpConfirmation",
+                columns: table => new
+                {
+                    UserId = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    Name = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Value = table.Column<string>(type: "nvarchar(10)", maxLength: 10, nullable: false),
+                    RetryCount = table.Column<byte>(type: "tinyint", nullable: false, defaultValue: (byte)0),
+                    RetryDateTime = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OtpConfirmation", x => new { x.UserId, x.Name });
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "OtpConfirmation");
+        }
+    }
+}
diff --git a/Unitagram.Persistence/Migrations/UnitagramDatabaseContextModelSnapshot.cs b/Unitagram.Persistence/Migrations/UnitagramDatabaseContextModelSnapshot.cs
index d0a0c4e..b27a968 100644
--- a/Unitagram.Persistence/Migrations/UnitagramDatabaseContextModelSnapshot.cs
+++ b/Unitagram.Persistence/Migrations/UnitagramDatabaseContextModelSnapshot.cs
@@ -22,6 +22,33 @@ protected override void BuildModel(ModelBuilder modelBuilder)
 
             SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
 
+            modelBuilder.Entity("Unitagram.Domain.OtpConfirmation", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<byte>("RetryCount")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("tinyint")
+                        .HasDefaultValue((byte)0);
+
+                    b.Property<DateTime?>("RetryDateTime")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.HasKey("UserId", "Name");
+
+                    b.ToTable("OtpConfirmation");
+                });
+
             modelBuilder.Entity("Unitagram.Domain.University", b =>
                 {
                     b.Property<Guid>("UniversityId")