diff --git a/pom.xml b/pom.xml
index 16f7a9a..1f7ab15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,10 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
-
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.mysql</groupId>
             <artifactId>mysql-connector-j</artifactId>
diff --git a/src/main/java/me/jweissen/aeticket/controller/CartController.java b/src/main/java/me/jweissen/aeticket/controller/CartController.java
index fb9930b..6c339dc 100644
--- a/src/main/java/me/jweissen/aeticket/controller/CartController.java
+++ b/src/main/java/me/jweissen/aeticket/controller/CartController.java
@@ -1,12 +1,16 @@
 package me.jweissen.aeticket.controller;
 
+import me.jweissen.aeticket.dto.response.CartEntryResponseDto;
 import me.jweissen.aeticket.service.CartService;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 @RestController
 @RequestMapping("/cart")
 public class CartController {
@@ -16,8 +20,15 @@ public class CartController {
         this.cartService = cartService;
     }
 
+    /*@GetMapping("/list")
+    public ResponseEntity<List<CartEntryResponseDto>> getCartEntries() {
+        return cartService.get
+    }*/
+
     @PostMapping("/add")
     public ResponseEntity<Void> addEntry() {
         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
     }
+
+
 }
diff --git a/src/main/java/me/jweissen/aeticket/dto/response/CartEntryResponseDto.java b/src/main/java/me/jweissen/aeticket/dto/response/CartEntryResponseDto.java
index 5b3ac3c..37c923a 100644
--- a/src/main/java/me/jweissen/aeticket/dto/response/CartEntryResponseDto.java
+++ b/src/main/java/me/jweissen/aeticket/dto/response/CartEntryResponseDto.java
@@ -1,4 +1,4 @@
 package me.jweissen.aeticket.dto.response;
 
-public record CartEntryResponseDto(Integer id, String name, Double price, Integer amount) {
+public record CartEntryResponseDto(Long id, String name, Double price, Integer amount) {
 }
diff --git a/src/main/java/me/jweissen/aeticket/model/Role.java b/src/main/java/me/jweissen/aeticket/model/Role.java
new file mode 100644
index 0000000..31c0609
--- /dev/null
+++ b/src/main/java/me/jweissen/aeticket/model/Role.java
@@ -0,0 +1,6 @@
+package me.jweissen.aeticket.model;
+
+public enum Role {
+    ADMIN,
+    USER,
+}
diff --git a/src/main/java/me/jweissen/aeticket/model/User.java b/src/main/java/me/jweissen/aeticket/model/User.java
index bc7bdfb..95b563e 100644
--- a/src/main/java/me/jweissen/aeticket/model/User.java
+++ b/src/main/java/me/jweissen/aeticket/model/User.java
@@ -4,14 +4,18 @@ import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
 
+import java.util.Collection;
 import java.util.List;
 
 @Entity
 @Table
 @Getter
 @Setter
-public class User {
+public class User implements UserDetails {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private int id;
@@ -39,4 +43,38 @@ public class User {
     @OneToMany(mappedBy = "user")
     @JoinColumn(nullable = false)
     private List<Cart> carts;
+
+    @Enumerated(EnumType.STRING)
+    private Role role;
+
+    @Override
+    public Collection<? extends GrantedAuthority> getAuthorities() {
+        return List.of(new SimpleGrantedAuthority(role.name()));
+    }
+
+    @Override
+    public String getUsername() {
+        return email;
+    }
+
+    @Override
+    public boolean isAccountNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isAccountNonLocked() {
+        return true;
+    }
+
+    @Override
+    public boolean isCredentialsNonExpired() {
+        return true;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return true;
+    }
+}
 }
diff --git a/src/main/java/me/jweissen/aeticket/service/CartEntryService.java b/src/main/java/me/jweissen/aeticket/service/CartEntryService.java
index bedd27c..ef218b9 100644
--- a/src/main/java/me/jweissen/aeticket/service/CartEntryService.java
+++ b/src/main/java/me/jweissen/aeticket/service/CartEntryService.java
@@ -14,7 +14,7 @@ public class CartEntryService {
         return new CartEntryResponseDto(
             category.getId(),
             category.getName(),
-            category.getPrice(),
+            CategoryService.centsToEuros(category.getPrice()),
             cartEntry.getAmount()
         );
     }
diff --git a/src/main/java/me/jweissen/aeticket/service/CartService.java b/src/main/java/me/jweissen/aeticket/service/CartService.java
index 792f5d9..eb18f7a 100644
--- a/src/main/java/me/jweissen/aeticket/service/CartService.java
+++ b/src/main/java/me/jweissen/aeticket/service/CartService.java
@@ -1,5 +1,6 @@
 package me.jweissen.aeticket.service;
 
+import me.jweissen.aeticket.dto.response.CartEntryResponseDto;
 import me.jweissen.aeticket.dto.response.CartEventResponseDto;
 import me.jweissen.aeticket.model.Cart;
 import me.jweissen.aeticket.model.Event;
@@ -33,4 +34,7 @@ public class CartService {
                 CartEntryService.toDtos(cartEntryRepository.getByCartAndEvent(cart.getId(), event.getId()))
             )).toList();
     }
+
+    //public List<CartEntryResponseDto> getCartByAuthToken() {
+
 }
diff --git a/src/main/java/me/jweissen/aeticket/service/CategoryService.java b/src/main/java/me/jweissen/aeticket/service/CategoryService.java
index 7b44853..599065c 100644
--- a/src/main/java/me/jweissen/aeticket/service/CategoryService.java
+++ b/src/main/java/me/jweissen/aeticket/service/CategoryService.java
@@ -10,14 +10,18 @@ import java.util.List;
 public class CategoryService {
     public static CategoryResponseDto toDto(Category category) {
         return new CategoryResponseDto(
-                category.getId(),
-                category.getName(),
-                category.getPrice() / 100.0,
-                category.getStock()
+            category.getId(),
+            category.getName(),
+            centsToEuros(category.getPrice()),
+            category.getStock()
         );
     }
 
     public static List<CategoryResponseDto> toDtos(List<Category> categories) {
         return categories.stream().map(CategoryService::toDto).toList();
     }
+
+    public static Double centsToEuros(int cents) {
+        return cents / 100.0;
+    }
 }