diff --git a/Yavsc/Interfaces/IAccountBalance.cs b/Yavsc/Interfaces/IAccountBalance.cs
index 437e6020..9579903a 100644
--- a/Yavsc/Interfaces/IAccountBalance.cs
+++ b/Yavsc/Interfaces/IAccountBalance.cs
@@ -1,4 +1,4 @@
-namespace Yavsc.Models
+namespace Yavsc.Interfaces
 {
     public interface IAccountBalance
     {
diff --git a/Yavsc/Interfaces/IApplicationUser.cs b/Yavsc/Interfaces/IApplicationUser.cs
index 9539fd40..c1da97c7 100644
--- a/Yavsc/Interfaces/IApplicationUser.cs
+++ b/Yavsc/Interfaces/IApplicationUser.cs
@@ -1,7 +1,6 @@
 using System.Collections.Generic;
-using Yavsc.Models.Identity;
 
-namespace Yavsc.Models
+namespace Yavsc.Interfaces
 {
     public interface IApplicationUser
     {
diff --git a/Yavsc/Interfaces/IBlog.cs b/Yavsc/Interfaces/IBlog.cs
index 6e05bf37..790df7c7 100644
--- a/Yavsc/Interfaces/IBlog.cs
+++ b/Yavsc/Interfaces/IBlog.cs
@@ -1,17 +1,11 @@
-using System;
-
-namespace Yavsc.Models
+namespace Yavsc.Interfaces
 {
-    public interface IBlog
+    public interface IBlog: IIdentified<long>, IRating<long>, ITitle, ILifeTime
+
     {
         string AuthorId { get; set; }
-        string bcontent { get; set; }
-        long Id { get; set; }
-        DateTime modified { get; set; }
-        string photo { get; set; }
-        DateTime posted { get; set; }
-        int rate { get; set; }
-        string title { get; set; }
-        bool visible { get; set; }
+        string Content { get; set; }
+        string Photo { get; set; }
+        bool Visible { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Yavsc/Interfaces/ICircle.cs b/Yavsc/Interfaces/ICircle.cs
index f0240ab0..a61f5679 100644
--- a/Yavsc/Interfaces/ICircle.cs
+++ b/Yavsc/Interfaces/ICircle.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace Yavsc.Models
+namespace Yavsc.Interfaces
 {
     public interface ICircle
     {
diff --git a/Yavsc/Interfaces/ICircleMember.cs b/Yavsc/Interfaces/ICircleMember.cs
index 1bf99206..74528828 100644
--- a/Yavsc/Interfaces/ICircleMember.cs
+++ b/Yavsc/Interfaces/ICircleMember.cs
@@ -1,9 +1,8 @@
-namespace Yavsc.Models
+namespace Yavsc.Interfaces
 {
-    public interface ICircleMember
+    public interface ICircleMember: IIdentified<long>
     {
         ICircle Circle { get; set; }
-        long Id { get; set; }
         IApplicationUser Member { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Yavsc/Interfaces/IContact.cs b/Yavsc/Interfaces/IContact.cs
index 8c6fb536..8be32e5f 100644
--- a/Yavsc/Interfaces/IContact.cs
+++ b/Yavsc/Interfaces/IContact.cs
@@ -1,4 +1,4 @@
-namespace Yavsc.Models
+namespace Yavsc.Interfaces
 {
     public interface IContact
     {
diff --git a/Yavsc/Interfaces/IGoogleCloudMobileDeclaration.cs b/Yavsc/Interfaces/IGoogleCloudMobileDeclaration.cs
index 9ea3033c..2eb1d9b8 100644
--- a/Yavsc/Interfaces/IGoogleCloudMobileDeclaration.cs
+++ b/Yavsc/Interfaces/IGoogleCloudMobileDeclaration.cs
@@ -1,4 +1,4 @@
-namespace Yavsc.Models.Identity
+namespace Yavsc.Interfaces
 {
     public interface IGCMDeclaration
     {
diff --git a/Yavsc/Interfaces/ILifeTime.cs b/Yavsc/Interfaces/ILifeTime.cs
new file mode 100644
index 00000000..fd82fefb
--- /dev/null
+++ b/Yavsc/Interfaces/ILifeTime.cs
@@ -0,0 +1,10 @@
+using System;
+
+namespace Yavsc.Interfaces
+{
+ public interface ILifeTime
+    {
+        DateTime Modified { get; set; }
+        DateTime Posted { get; set; }
+    }
+}
diff --git a/Yavsc/Interfaces/ILocation.cs b/Yavsc/Interfaces/ILocation.cs
index e3cc65e3..614fa86a 100644
--- a/Yavsc/Interfaces/ILocation.cs
+++ b/Yavsc/Interfaces/ILocation.cs
@@ -1,4 +1,4 @@
-namespace Yavsc
+namespace Yavsc.Interfaces
 {
     public interface ILocation
     {
diff --git a/Yavsc/Interfaces/IPosition.cs b/Yavsc/Interfaces/IPosition.cs
index 99b97bc7..d2b3dcc5 100644
--- a/Yavsc/Interfaces/IPosition.cs
+++ b/Yavsc/Interfaces/IPosition.cs
@@ -1,4 +1,4 @@
-namespace Yavsc
+namespace Yavsc.Interfaces
 {
     public interface IPosition
     {
diff --git a/Yavsc/Interfaces/IRating.cs b/Yavsc/Interfaces/IRating.cs
index 9a34ebe7..496739f7 100644
--- a/Yavsc/Interfaces/IRating.cs
+++ b/Yavsc/Interfaces/IRating.cs
@@ -24,7 +24,7 @@ namespace Yavsc.Interfaces
 	/// <summary>
 	/// I rating.
 	/// </summary>
-	public interface IRating: IIdentified<long>
+	public interface IRating<TK>: IIdentified<TK>
 	{
 		/// <summary>
 		/// Gets or sets the rate.
diff --git a/Yavsc/Model/Bank/AccountBalance.cs b/Yavsc/Model/Bank/AccountBalance.cs
index 5fff2c53..8070f37b 100644
--- a/Yavsc/Model/Bank/AccountBalance.cs
+++ b/Yavsc/Model/Bank/AccountBalance.cs
@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Interfaces;
 
 namespace Yavsc.Models
 {
diff --git a/Yavsc/ViewModels/Manage/IndexViewModel.cs b/Yavsc/ViewModels/Manage/IndexViewModel.cs
index c6a8c25d..1b12c792 100644
--- a/Yavsc/ViewModels/Manage/IndexViewModel.cs
+++ b/Yavsc/ViewModels/Manage/IndexViewModel.cs
@@ -22,7 +22,7 @@ namespace Yavsc.ViewModels.Manage
 
         public long PostsCounter { get; set; }
 
-        public IAccountBalance Balance { get; set; }
+        public AccountBalance Balance { get; set; }
 
         public long ActiveCommandCount { get; set; }