diff --git a/FoodsharingSiegen.Contracts/Entity/User.cs b/FoodsharingSiegen.Contracts/Entity/User.cs
index 24bea47..e93600a 100644
--- a/FoodsharingSiegen.Contracts/Entity/User.cs
+++ b/FoodsharingSiegen.Contracts/Entity/User.cs
@@ -1,5 +1,5 @@
 using System.ComponentModel.DataAnnotations.Schema;
-using FoodsharingSiegen.Shared.Helper;
+using FoodsharingSiegen.Contracts.Helper;
 
 namespace FoodsharingSiegen.Contracts.Entity
 {
@@ -33,8 +33,8 @@ namespace FoodsharingSiegen.Contracts.Entity
         [NotMapped]
         public string Password
         {
-            get => AuthHelper.TryDecrypt(EncryptedPassword, out var password) ? password : string.Empty;
-            set => EncryptedPassword = AuthHelper.Encrypt(value);
+            get => Cryptor.TryDecrypt(EncryptedPassword, out var password) ? password : string.Empty;
+            set => EncryptedPassword = Cryptor.Encrypt(value);
         }
 
         #endregion
diff --git a/FoodsharingSiegen.Contracts/FoodsharingSiegen.Contracts.csproj b/FoodsharingSiegen.Contracts/FoodsharingSiegen.Contracts.csproj
index 78e054a..445c813 100644
--- a/FoodsharingSiegen.Contracts/FoodsharingSiegen.Contracts.csproj
+++ b/FoodsharingSiegen.Contracts/FoodsharingSiegen.Contracts.csproj
@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\FoodsharingSiegen.Shared\FoodsharingSiegen.Shared.csproj" />
+      <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="6.16.0" />
     </ItemGroup>
 
 </Project>
diff --git a/FoodsharingSiegen.Contracts/Helper/Cryptor.cs b/FoodsharingSiegen.Contracts/Helper/Cryptor.cs
new file mode 100644
index 0000000..7023e2c
--- /dev/null
+++ b/FoodsharingSiegen.Contracts/Helper/Cryptor.cs
@@ -0,0 +1,105 @@
+using System.Security.Cryptography;
+using System.Text;
+using Microsoft.IdentityModel.Tokens;
+
+namespace FoodsharingSiegen.Contracts.Helper
+{
+    public static class Cryptor
+    {
+        /// <summary>
+        /// The signing key
+        /// </summary>
+        private const string SigningKey = "2uasw2§$%1nd47n9s43&%Zs3529s23&/%AW";
+        
+        #region Public Method TryDecrypt
+
+        /// <summary>
+        /// Decrypts the crypted text (a. beging, 04.04.2022)
+        /// </summary>
+        /// <param name="cryptedText">The crypted text</param>
+        /// <param name="plainText"></param>
+        /// <returns>The string</returns>
+        public static bool TryDecrypt(string cryptedText, out string plainText)
+        {
+            plainText = string.Empty;
+            
+            try
+            {
+                CreateAlgorithm(out var tripleDes);
+            
+                var toEncryptArray = Convert.FromBase64String(cryptedText);
+
+                var cTransform = tripleDes.CreateDecryptor();
+                var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+                tripleDes.Clear();
+
+                plainText = Encoding.UTF8.GetString(resultArray);
+
+                return true;
+            }
+            catch (Exception e)
+            {
+                return false;
+            }
+        }
+
+        #endregion
+
+        #region Public Method Encrypt
+
+        /// <summary>
+        /// Encrypts the plain text (a. beging, 04.04.2022)
+        /// </summary>
+        /// <param name="plainText">The plain text</param>
+        /// <returns>The string</returns>
+        public static string Encrypt(string plainText)
+        {
+            CreateAlgorithm(out var tripleDes);
+            
+            var toEncryptArray = Encoding.UTF8.GetBytes(plainText );
+            
+            
+ 
+            var cTransform = tripleDes.CreateEncryptor();
+
+            var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
+
+            tripleDes.Clear();
+
+            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
+        }
+
+        #endregion
+        
+        #region Private Method GetSigningKey
+
+        /// <summary>
+        /// Gets the signing key (a. beging, 04.04.2022)
+        /// </summary>
+        /// <returns>The security key</returns>
+        public static SecurityKey GetSigningKey() => new SymmetricSecurityKey(Encoding.ASCII.GetBytes(SigningKey));
+
+        #endregion
+        
+        #region Private Method CreateAlgorithm
+
+        /// <summary>
+        /// Creates the algorithm using the specified triple des (a. beging, 04.04.2022)
+        /// </summary>
+        /// <param name="tripleDes">The triple des</param>
+        private static void CreateAlgorithm(out TripleDES tripleDes)
+        {
+            var md5 = MD5.Create();
+            var keyArray = md5.ComputeHash(Encoding.UTF8.GetBytes(SigningKey));
+            md5.Clear();
+            
+            tripleDes = TripleDES.Create();
+            tripleDes.Key = keyArray;
+            tripleDes.Mode = CipherMode.ECB;
+            tripleDes.Padding = PaddingMode.PKCS7;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/FoodsharingSiegen.Contracts/Helper/EntityExtensions.cs b/FoodsharingSiegen.Contracts/Helper/EntityExtensions.cs
new file mode 100644
index 0000000..8fec741
--- /dev/null
+++ b/FoodsharingSiegen.Contracts/Helper/EntityExtensions.cs
@@ -0,0 +1,38 @@
+using FoodsharingSiegen.Contracts.Entity;
+
+namespace FoodsharingSiegen.Contracts.Helper
+{
+    /// <summary>
+    /// The entity extensions class (a. beging, 08.04.2022)
+    /// </summary>
+    public static class EntityExtensions
+    {
+        #region Public Method IsAdmin
+
+        /// <summary>
+        /// Describes whether is admin
+        /// </summary>
+        /// <param name="user">The user</param>
+        /// <returns>The bool</returns>
+        public static bool IsAdmin(this User user) => user.Type == UserType.Admin;
+
+        #endregion
+
+        #region Public Method IsInGroup
+
+        /// <summary>
+        /// Describes whether is in group
+        /// </summary>
+        /// <param name="user">The user</param>
+        /// <param name="groups">The groups</param>
+        /// <returns>The bool</returns>
+        public static bool IsInGroup(this User user, params UserGroup[] groups)
+        {
+            if (user.Type == UserType.Admin) return true;
+            if (groups.Any(x => user.GroupsList.Contains(x))) return true;
+            return false;
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/FoodsharingSiegen.Server/Auth/AuthService.cs b/FoodsharingSiegen.Server/Auth/AuthService.cs
index eb4cc06..4409f92 100644
--- a/FoodsharingSiegen.Server/Auth/AuthService.cs
+++ b/FoodsharingSiegen.Server/Auth/AuthService.cs
@@ -1,14 +1,12 @@
-using System.IdentityModel.Tokens.Jwt;
-using System.Security.Claims;
 using FoodsharingSiegen.Contracts;
 using FoodsharingSiegen.Contracts.Entity;
+using FoodsharingSiegen.Contracts.Helper;
 using FoodsharingSiegen.Server.Data;
 using FoodsharingSiegen.Server.Data.Service;
 using FoodsharingSiegen.Server.Service;
 using FoodsharingSiegen.Shared.Helper;
 using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.IdentityModel.Tokens;
 
 namespace FoodsharingSiegen.Server.Auth
 {
@@ -23,7 +21,7 @@ namespace FoodsharingSiegen.Server.Auth
         /// <summary>
         /// Gets or sets the value of the user (ab)
         /// </summary>
-        public User? User { get; set; }
+        public User? User => _user;
 
         #endregion
 
@@ -39,6 +37,11 @@ namespace FoodsharingSiegen.Server.Auth
         /// </summary>
         private readonly LocalStorageService _localStorageService;
 
+        /// <summary>
+        /// The user
+        /// </summary>
+        private User? _user;
+
         #endregion
 
         #region Setup/Teardown
@@ -49,7 +52,10 @@ namespace FoodsharingSiegen.Server.Auth
         /// <param name="context">The context</param>
         /// <param name="localStorageService">The local storage service</param>
         /// <param name="authenticationStateProvider">The authentication state provider</param>
-        public AuthService(FsContext context, LocalStorageService localStorageService, AuthenticationStateProvider authenticationStateProvider) : base(context)
+        public AuthService(
+            FsContext context,
+            LocalStorageService localStorageService,
+            AuthenticationStateProvider authenticationStateProvider) : base(context)
         {
             _localStorageService = localStorageService;
             _authenticationStateProvider = authenticationStateProvider;
@@ -57,6 +63,22 @@ namespace FoodsharingSiegen.Server.Auth
 
         #endregion
 
+        #region Public Method Initialize
+
+        /// <summary>
+        /// Initializes this instance (a. beging, 11.04.2022)
+        /// </summary>
+        public async Task Initialize()
+        {
+            if (_user != null) return;
+            
+            var token = await _localStorageService.GetItem<string>(StorageKeys.TokenKey);
+            if (AuthHelper.ValidateToken(token, out var user) && user != null)
+                _user = user;
+        }
+
+        #endregion
+
         #region Public Method Login
 
         /// <summary>
@@ -87,13 +109,13 @@ namespace FoodsharingSiegen.Server.Auth
 
             #endregion Ensure Admin
             
-            var encryptedPassword = AuthHelper.Encrypt(password);
+            var encryptedPassword = Cryptor.Encrypt(password);
 
-            User = await Context.Users.FirstOrDefaultAsync(x => x.Mail.ToLower() == mailAddress.ToLower() && x.EncryptedPassword == encryptedPassword);
+            _user = await Context.Users.FirstOrDefaultAsync(x => x.Mail.ToLower() == mailAddress.ToLower() && x.EncryptedPassword == encryptedPassword);
             
-            if (User != null)
+            if (_user != null)
             {
-                var serializedToken = AuthHelper.CreateToken(User.Id);
+                var serializedToken = AuthHelper.CreateToken(_user);
                 await _localStorageService.SetItem(StorageKeys.TokenKey, serializedToken);
 
                 return new OperationResult();
@@ -115,7 +137,7 @@ namespace FoodsharingSiegen.Server.Auth
             try
             {
                 await _localStorageService.RemoveItem(StorageKeys.TokenKey);
-                User = null;
+                _user = null;
                 ((TokenAuthStateProvider) _authenticationStateProvider).MarkUserAsLoggedOut();
                 return new OperationResult();
             }
diff --git a/FoodsharingSiegen.Server/Auth/TokenAuthStateProvider.cs b/FoodsharingSiegen.Server/Auth/TokenAuthStateProvider.cs
index 59eade6..2c84edf 100644
--- a/FoodsharingSiegen.Server/Auth/TokenAuthStateProvider.cs
+++ b/FoodsharingSiegen.Server/Auth/TokenAuthStateProvider.cs
@@ -38,7 +38,7 @@ namespace FoodsharingSiegen.Server.Service
         public override async Task<AuthenticationState> GetAuthenticationStateAsync()
         {
             var token = await _localStorageService.GetItem<string>(StorageKeys.TokenKey);
-            var tokenValid = await AuthHelper.ValidateToken(token);
+            var tokenValid = AuthHelper.ValidateToken(token, out _);
 
             var identity = new ClaimsIdentity();
             if (tokenValid)
diff --git a/FoodsharingSiegen.Server/FoodsharingSiegen.Server.csproj b/FoodsharingSiegen.Server/FoodsharingSiegen.Server.csproj
index 2fd10f9..a76b7ed 100644
--- a/FoodsharingSiegen.Server/FoodsharingSiegen.Server.csproj
+++ b/FoodsharingSiegen.Server/FoodsharingSiegen.Server.csproj
@@ -8,6 +8,7 @@
 
     <ItemGroup>
       <ProjectReference Include="..\FoodsharingSiegen.Contracts\FoodsharingSiegen.Contracts.csproj" />
+      <ProjectReference Include="..\FoodsharingSiegen.Shared\FoodsharingSiegen.Shared.csproj" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/FoodsharingSiegen.Server/Pages/FsBase.cs b/FoodsharingSiegen.Server/Pages/FsBase.cs
new file mode 100644
index 0000000..a291f96
--- /dev/null
+++ b/FoodsharingSiegen.Server/Pages/FsBase.cs
@@ -0,0 +1,41 @@
+using FoodsharingSiegen.Contracts.Entity;
+using FoodsharingSiegen.Server.Auth;
+using Microsoft.AspNetCore.Components;
+
+namespace FoodsharingSiegen.Server.Pages
+{
+    /// <summary>
+    /// The fs base class (a. beging, 08.04.2022)
+    /// </summary>
+    /// <seealso cref="ComponentBase"/>
+    public class FsBase : ComponentBase
+    {
+        #region Dependencies (Injected)
+        
+        /// <summary>
+        /// Gets or sets the value of the auth service (ab)
+        /// </summary>
+        [Inject] private AuthService? AuthService { get; set; }
+
+        #endregion
+
+
+        #region Override OnInitializedAsync
+
+        /// <summary>
+        /// Ons the initialized (a. beging, 11.04.2022)
+        /// </summary>
+        protected override async Task OnInitializedAsync()
+        {
+            await AuthService!.Initialize();
+            await base.OnInitializedAsync();
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Gets the value of the current user (ab)
+        /// </summary>
+        protected User CurrentUser => AuthService?.User ?? new User();
+    }
+}
\ No newline at end of file
diff --git a/FoodsharingSiegen.Server/Pages/Prospects.razor b/FoodsharingSiegen.Server/Pages/Prospects.razor
index db48493..2df9f58 100644
--- a/FoodsharingSiegen.Server/Pages/Prospects.razor
+++ b/FoodsharingSiegen.Server/Pages/Prospects.razor
@@ -4,12 +4,19 @@
 @using FoodsharingSiegen.Server.Dialogs
 @using FoodsharingSiegen.Server.Controls
 @using FoodsharingSiegen.Contracts.Entity
+@using FoodsharingSiegen.Contracts.Helper
+
+@inherits FsBase
 
 <PageTitle>Einarbeitungen</PageTitle>
 
 <h4>Aktuelle Einarbeitungen</h4>
 
-<Button Color="Color.Primary" Clicked="() => ProspectModal.Show()">Hinzufügen</Button>
+<Button
+    Color="Color.Primary"
+    Clicked="() => ProspectModal.Show()"
+    Visibility="@(CurrentUser.IsInGroup(UserGroup.WelcomeTeam, UserGroup.Ambassador) ? Visibility.Default : Visibility.Invisible)"
+    >Hinzufügen</Button>
 
 @{
     var activeProspects = ProspectList?.Where(x => x.Interactions.All(i => i.Type != InteractionType.Complete));
diff --git a/FoodsharingSiegen.Server/Pages/Users.razor b/FoodsharingSiegen.Server/Pages/Users.razor
index 7e7bc6a..e545426 100644
--- a/FoodsharingSiegen.Server/Pages/Users.razor
+++ b/FoodsharingSiegen.Server/Pages/Users.razor
@@ -2,6 +2,8 @@
 @page "/users"
 @using FoodsharingSiegen.Contracts.Entity
 
+@inherits FsBase
+
 @code {
 
     private RenderFragment PopupTitleTemplate(PopupTitleContext<User> value)
@@ -24,7 +26,7 @@
 <h2>Benutzerverwaltung <span style="font-size: .5em; line-height: 0;">Admin</span></h2>
 
 <div class="my-2">
-    <Button Color="Color.Primary" Disabled="@(SelectedUser == null)">Passwort setzen</Button>
+    <Button Color="Color.Primary" Disabled="@(SelectedUser == null)"><i class="fa-solid fa-key"></i>&nbsp;setzen</Button>
 </div>
 
 <DataGrid TItem="User"
@@ -35,7 +37,7 @@
           PopupTitleTemplate="PopupTitleTemplate"
           RowInserted="RowInserted"
           RowUpdated="RowUpdated"
-          SelectedRow="SelectedUser"
+          @bind-SelectedRow="SelectedUser"
           RowDoubleClicked="arg => UserDataGrid.Edit(arg.Item)"
           Editable
           Responsive>
diff --git a/FoodsharingSiegen.Shared/FoodsharingSiegen.Shared.csproj b/FoodsharingSiegen.Shared/FoodsharingSiegen.Shared.csproj
index 2d1eb67..d794571 100644
--- a/FoodsharingSiegen.Shared/FoodsharingSiegen.Shared.csproj
+++ b/FoodsharingSiegen.Shared/FoodsharingSiegen.Shared.csproj
@@ -10,4 +10,8 @@
       <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.16.0" />
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\FoodsharingSiegen.Contracts\FoodsharingSiegen.Contracts.csproj" />
+    </ItemGroup>
+
 </Project>
diff --git a/FoodsharingSiegen.Shared/Helper/AuthHelper.cs b/FoodsharingSiegen.Shared/Helper/AuthHelper.cs
index fcc7285..ceed536 100644
--- a/FoodsharingSiegen.Shared/Helper/AuthHelper.cs
+++ b/FoodsharingSiegen.Shared/Helper/AuthHelper.cs
@@ -1,7 +1,8 @@
 using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
-using System.Security.Cryptography;
-using System.Text;
+using System.Text.Json;
+using FoodsharingSiegen.Contracts.Entity;
+using FoodsharingSiegen.Contracts.Helper;
 using Microsoft.IdentityModel.Tokens;
 
 namespace FoodsharingSiegen.Shared.Helper
@@ -16,22 +17,23 @@ namespace FoodsharingSiegen.Shared.Helper
         /// <summary>
         /// Creates the token using the specified user id (a. beging, 04.04.2022)
         /// </summary>
-        /// <param name="userId">The user id</param>
         /// <returns>The string</returns>
-        public static string CreateToken(Guid userId)
+        public static string CreateToken(User user)
         {
+            user.Password = "";
+            var serializedUser = JsonSerializer.Serialize(user);
+            
             var tokenHandler = new JwtSecurityTokenHandler();
             var tokenDescriptor = new SecurityTokenDescriptor
             {
                 Subject = new ClaimsIdentity(new[]
                 {
-                    new Claim(ClaimTypes.NameIdentifier, userId.ToString()),
-                    new Claim("CanDoShit","yes")
+                    new Claim(ClaimTypes.UserData, serializedUser)
                 }),
                 Expires = DateTime.UtcNow.AddDays(30),
                 Issuer = Issuer,
                 Audience = Audience,
-                SigningCredentials = new SigningCredentials(GetSigningKey(), SecurityAlgorithms.HmacSha256Signature)
+                SigningCredentials = new SigningCredentials(Cryptor.GetSigningKey(), SecurityAlgorithms.HmacSha256Signature)
             };
             
             var token = tokenHandler.CreateToken(tokenDescriptor);
@@ -39,92 +41,52 @@ namespace FoodsharingSiegen.Shared.Helper
         }
 
         #endregion
-
-        #region Public Method Decrypt
-
-        /// <summary>
-        /// Decrypts the crypted text (a. beging, 04.04.2022)
-        /// </summary>
-        /// <param name="cryptedText">The crypted text</param>
-        /// <param name="plainText"></param>
-        /// <returns>The string</returns>
-        public static bool TryDecrypt(string cryptedText, out string plainText)
-        {
-            plainText = string.Empty;
-            
-            try
-            {
-                CreateAlgorithm(out var tripleDes);
-            
-                var toEncryptArray = Convert.FromBase64String(cryptedText);
-
-                var cTransform = tripleDes.CreateDecryptor();
-                var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
-
-                tripleDes.Clear();
-
-                plainText = Encoding.UTF8.GetString(resultArray);
-
-                return true;
-            }
-            catch (Exception e)
-            {
-                return false;
-            }
-        }
-
-        #endregion
-
-        #region Public Method Encrypt
-
-        /// <summary>
-        /// Encrypts the plain text (a. beging, 04.04.2022)
-        /// </summary>
-        /// <param name="plainText">The plain text</param>
-        /// <returns>The string</returns>
-        public static string Encrypt(string plainText)
-        {
-            CreateAlgorithm(out var tripleDes);
-            
-            var toEncryptArray = Encoding.UTF8.GetBytes(plainText );
-            
-            
- 
-            var cTransform = tripleDes.CreateEncryptor();
-
-            var resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
-
-            tripleDes.Clear();
-
-            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
-        }
-
-        #endregion
-
+        
         #region Public Method ValidateToken
 
         /// <summary>
         /// Validates the token using the specified token (a. beging, 04.04.2022)
         /// </summary>
         /// <param name="token">The token</param>
+        /// <param name="user"></param>
         /// <returns>A task containing the bool</returns>
-        public static async Task<bool> ValidateToken(string? token)
+        public static bool ValidateToken(string? token, out User? user)
         {
+            user = null;
+
             try
             {
                 var tokenHandler = new JwtSecurityTokenHandler();
-                var result = await tokenHandler.ValidateTokenAsync(token, new TokenValidationParameters
+                tokenHandler.ValidateToken(token, new TokenValidationParameters
                 {
                     ValidateIssuerSigningKey = true,
-                    IssuerSigningKey = GetSigningKey(),
+                    IssuerSigningKey = Cryptor.GetSigningKey(),
 
                     ValidateAudience = true,
                     ValidAudience = Audience,
 
                     ValidateIssuer = true,
                     ValidIssuer = Issuer
-                });
+                }, out var stuff);
+                
+                var result = tokenHandler.ValidateTokenAsync(token, new TokenValidationParameters
+                {
+                    ValidateIssuerSigningKey = true,
+                    IssuerSigningKey = Cryptor.GetSigningKey(),
 
+                    ValidateAudience = true,
+                    ValidAudience = Audience,
+
+                    ValidateIssuer = true,
+                    ValidIssuer = Issuer
+                }).Result;
+
+                if (result.Claims.TryGetValue(ClaimTypes.UserData, out var jsonObj))
+                {
+                    user = JsonSerializer.Deserialize<User>(jsonObj.ToString());
+                    if (user != null) user.Password = string.Empty;
+                }
+                
                 return result.IsValid;
             }
             catch (Exception e)
@@ -135,40 +97,6 @@ namespace FoodsharingSiegen.Shared.Helper
 
         #endregion
 
-        #region Private Method CreateAlgorithm
-
-        /// <summary>
-        /// Creates the algorithm using the specified triple des (a. beging, 04.04.2022)
-        /// </summary>
-        /// <param name="tripleDes">The triple des</param>
-        private static void CreateAlgorithm(out TripleDES tripleDes)
-        {
-            var md5 = MD5.Create();
-            var keyArray = md5.ComputeHash(Encoding.UTF8.GetBytes(SigningKey));
-            md5.Clear();
-            
-            tripleDes = TripleDES.Create();
-            tripleDes.Key = keyArray;
-            tripleDes.Mode = CipherMode.ECB;
-            tripleDes.Padding = PaddingMode.PKCS7;
-        }
-
-        #endregion
-
-        #region Private Method GetSigningKey
-
-        /// <summary>
-        /// Gets the signing key (a. beging, 04.04.2022)
-        /// </summary>
-        /// <returns>The security key</returns>
-        private static SecurityKey GetSigningKey() => new SymmetricSecurityKey(Encoding.ASCII.GetBytes(SigningKey));
-
-        #endregion
-
-        /// <summary>
-        /// The signing key
-        /// </summary>
-        private const string SigningKey = "2uasw2§$%1nd47n9s43&%Zs3529s23&/%AW";
 
         /// <summary>
         /// The audience