Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc.Server/Models/Bank/AccountBalance.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Yavsc.Models
+{
+  using Yavsc;
+    
+    public partial class AccountBalance: IAccountBalance {
+
+        [Key]
+        public string UserId { get; set; }
+
+        [ForeignKey("UserId")]
+        public virtual ApplicationUser Owner { get; set; }
+
+        [Required,Display(Name="Credits en €")]
+        public decimal Credits { get; set; }
+
+        public long ContactCredits { get; set; }
+    }
+
+}