diff --git a/js/components/pages/page-create.js b/js/components/pages/page-create.js
index 6765f2e..2a1b942 100644
--- a/js/components/pages/page-create.js
+++ b/js/components/pages/page-create.js
@@ -1,5 +1,6 @@
 import { t, i18n } from '../../i18n.js';
 import { router } from '../../router.js';
+import { cryptoService } from '../../services/crypto.js';
 
 class PageCreate extends HTMLElement {
     constructor() {
@@ -9,8 +10,11 @@ class PageCreate extends HTMLElement {
             description: '',
             price: '',
             category: '',
-            location: ''
+            location: '',
+            moneroAddress: ''
         };
+        this.imageFiles = [];
+        this.imagePreviews = [];
     }
 
     connectedCallback() {
@@ -103,13 +107,30 @@ class PageCreate extends HTMLElement {
                         <label class="label" data-i18n="create.images">${t('create.images')}</label>
                         <div class="image-upload">
                             <input type="file" id="images" name="images" accept="image/*" multiple hidden>
-                            <label for="images" class="upload-area">
+                            <label for="images" class="upload-area" id="upload-area">
                                 <span class="upload-icon">📷</span>
                                 <span data-i18n="create.uploadImages">${t('create.uploadImages')}</span>
                             </label>
+                            <div class="image-previews" id="image-previews">
+                                ${this.renderImagePreviews()}
+                            </div>
                         </div>
                     </div>
                     
+                    <div class="form-group">
+                        <label class="label" for="moneroAddress">${t('create.moneroAddress')}</label>
+                        <input 
+                            type="text" 
+                            class="input" 
+                            id="moneroAddress" 
+                            name="moneroAddress"
+                            value="${this.escapeHtml(this.formData.moneroAddress)}"
+                            required
+                            placeholder="${t('create.moneroPlaceholder')}"
+                        >
+                        <p class="field-hint">${t('create.moneroHint')}</p>
+                    </div>
+                    
                     <div class="form-actions">
                         <button type="button" class="btn btn-outline btn-lg" id="cancel-btn">
                             ${t('create.cancel')}
@@ -128,13 +149,76 @@ class PageCreate extends HTMLElement {
     setupEventListeners() {
         const form = this.querySelector('#create-form');
         const cancelBtn = this.querySelector('#cancel-btn');
+        const imageInput = this.querySelector('#images');
 
         form.addEventListener('submit', (e) => this.handleSubmit(e));
         cancelBtn.addEventListener('click', () => router.back());
 
         form.querySelectorAll('input, textarea, select').forEach(input => {
             input.addEventListener('input', (e) => {
-                this.formData[e.target.name] = e.target.value;
+                if (e.target.name) {
+                    this.formData[e.target.name] = e.target.value;
+                }
+            });
+        });
+        
+        imageInput?.addEventListener('change', (e) => this.handleImageSelect(e));
+    }
+    
+    handleImageSelect(e) {
+        const files = Array.from(e.target.files);
+        
+        files.forEach(file => {
+            if (this.imageFiles.length >= 5) return;
+            
+            this.imageFiles.push(file);
+            
+            const reader = new FileReader();
+            reader.onload = (event) => {
+                this.imagePreviews.push(event.target.result);
+                this.updateImagePreviews();
+            };
+            reader.readAsDataURL(file);
+        });
+    }
+    
+    updateImagePreviews() {
+        const container = this.querySelector('#image-previews');
+        const uploadArea = this.querySelector('#upload-area');
+        
+        if (container) {
+            container.innerHTML = this.renderImagePreviews();
+            this.setupRemoveListeners();
+        }
+        
+        if (uploadArea) {
+            uploadArea.style.display = this.imageFiles.length >= 5 ? 'none' : 'flex';
+        }
+    }
+    
+    renderImagePreviews() {
+        if (this.imagePreviews.length === 0) return '';
+        
+        return this.imagePreviews.map((src, index) => /* html */`
+            <div class="image-preview">
+                <img src="${src}" alt="Preview ${index + 1}">
+                <button type="button" class="remove-image" data-index="${index}" aria-label="Remove">
+                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                        <line x1="18" y1="6" x2="6" y2="18"></line>
+                        <line x1="6" y1="6" x2="18" y2="18"></line>
+                    </svg>
+                </button>
+            </div>
+        `).join('');
+    }
+    
+    setupRemoveListeners() {
+        this.querySelectorAll('.remove-image').forEach(btn => {
+            btn.addEventListener('click', (e) => {
+                const index = parseInt(e.currentTarget.dataset.index);
+                this.imageFiles.splice(index, 1);
+                this.imagePreviews.splice(index, 1);
+                this.updateImagePreviews();
             });
         });
     }
@@ -209,6 +293,57 @@ style.textContent = /* css */`
         margin-bottom: var(--space-sm);
     }
     
+    page-create .image-previews {
+        display: grid;
+        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
+        gap: var(--space-sm);
+        padding: var(--space-sm);
+    }
+    
+    page-create .image-previews:empty {
+        display: none;
+    }
+    
+    page-create .image-preview {
+        position: relative;
+        aspect-ratio: 1;
+        border-radius: var(--radius-md);
+        overflow: hidden;
+    }
+    
+    page-create .image-preview img {
+        width: 100%;
+        height: 100%;
+        object-fit: cover;
+    }
+    
+    page-create .remove-image {
+        position: absolute;
+        top: var(--space-xs);
+        right: var(--space-xs);
+        width: 24px;
+        height: 24px;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        background: var(--color-error);
+        color: white;
+        border-radius: var(--radius-full);
+        cursor: pointer;
+        opacity: 0;
+        transition: opacity var(--transition-fast);
+    }
+    
+    page-create .image-preview:hover .remove-image {
+        opacity: 1;
+    }
+    
+    page-create .field-hint {
+        font-size: var(--font-size-sm);
+        color: var(--color-text-muted);
+        margin-top: var(--space-xs);
+    }
+    
     page-create .form-actions {
         display: flex;
         gap: var(--space-md);
diff --git a/locales/de.json b/locales/de.json
index d960801..95d9048 100644
--- a/locales/de.json
+++ b/locales/de.json
@@ -124,7 +124,10 @@
     "description": "Beschreibung",
     "descriptionPlaceholder": "Beschreibe deinen Artikel ausführlich...",
     "images": "Bilder",
-    "uploadImages": "Bilder hochladen",
+    "uploadImages": "Bilder hochladen (max. 5)",
+    "moneroAddress": "Deine Monero-Adresse",
+    "moneroPlaceholder": "4... oder 8...",
+    "moneroHint": "Käufer senden die Zahlung direkt an diese Adresse.",
     "cancel": "Abbrechen",
     "publish": "Veröffentlichen",
     "publishing": "Wird veröffentlicht..."
diff --git a/locales/en.json b/locales/en.json
index da53ada..7a0d8fe 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -124,7 +124,10 @@
     "description": "Description",
     "descriptionPlaceholder": "Describe your item in detail...",
     "images": "Images",
-    "uploadImages": "Upload images",
+    "uploadImages": "Upload images (max. 5)",
+    "moneroAddress": "Your Monero Address",
+    "moneroPlaceholder": "4... or 8...",
+    "moneroHint": "Buyers will send payment directly to this address.",
     "cancel": "Cancel",
     "publish": "Publish",
     "publishing": "Publishing..."
diff --git a/locales/fr.json b/locales/fr.json
index ec17573..860fc68 100644
--- a/locales/fr.json
+++ b/locales/fr.json
@@ -124,7 +124,10 @@
     "description": "Description",
     "descriptionPlaceholder": "Décrivez votre article en détail...",
     "images": "Images",
-    "uploadImages": "Télécharger des images",
+    "uploadImages": "Télécharger des images (max. 5)",
+    "moneroAddress": "Votre adresse Monero",
+    "moneroPlaceholder": "4... ou 8...",
+    "moneroHint": "Les acheteurs envoient le paiement directement à cette adresse.",
     "cancel": "Annuler",
     "publish": "Publier",
     "publishing": "Publication en cours..."
diff --git a/manifest.json b/manifest.json
index 96e4448..36e643b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,11 +1,11 @@
 {
-  "name": "dgray - Kleinanzeigen",
+  "name": "dgray.io - Marktplatz",
   "short_name": "dgray",
-  "description": "Deine lokale Kleinanzeigen-Plattform zum Tauschen und Handeln",
+  "description": "Anonymer Marktplatz mit Monero-Bezahlung",
   "start_url": "/",
   "display": "standalone",
-  "background_color": "#ffffff",
-  "theme_color": "#2563eb",
+  "background_color": "#F8F7F5",
+  "theme_color": "#6B7B8C",
   "orientation": "portrait-primary",
   "scope": "/",
   "lang": "de",
diff --git a/service-worker.js b/service-worker.js
index e7cf273..f49264f 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -1,4 +1,4 @@
-const CACHE_NAME = 'dgray-v19';
+const CACHE_NAME = 'dgray-v20';
 const STATIC_ASSETS = [
     '/',
     '/index.html',
@@ -10,6 +10,12 @@ const STATIC_ASSETS = [
     '/js/router.js',
     '/js/i18n.js',
     '/js/services/api.js',
+    '/js/services/crypto.js',
+    '/js/services/chat.js',
+    '/js/data/mock-listings.js',
+    '/js/components/chat-widget.js',
+    '/js/components/listing-card.js',
+    '/js/components/search-box.js',
     '/locales/de.json',
     '/locales/en.json',
     '/locales/fr.json',
@@ -46,14 +52,24 @@ self.addEventListener('activate', (event) => {
 
 self.addEventListener('fetch', (event) => {
     const { request } = event;
+    const url = new URL(request.url);
     
     if (request.method !== 'GET') return;
     
-    if (request.url.includes('/api/')) {
+    // API calls: Network First
+    if (url.pathname.includes('/api/')) {
         event.respondWith(networkFirst(request));
-    } else {
-        event.respondWith(cacheFirst(request));
+        return;
     }
+    
+    // HTML and JS: Stale-While-Revalidate (show cached, update in background)
+    if (url.pathname.endsWith('.html') || url.pathname.endsWith('.js') || url.pathname === '/') {
+        event.respondWith(staleWhileRevalidate(request));
+        return;
+    }
+    
+    // Everything else: Cache First
+    event.respondWith(cacheFirst(request));
 });
 
 async function cacheFirst(request) {
@@ -89,3 +105,17 @@ async function networkFirst(request) {
         });
     }
 }
+
+async function staleWhileRevalidate(request) {
+    const cache = await caches.open(CACHE_NAME);
+    const cached = await cache.match(request);
+    
+    const fetchPromise = fetch(request).then((response) => {
+        if (response.ok) {
+            cache.put(request, response.clone());
+        }
+        return response;
+    }).catch(() => cached);
+    
+    return cached || fetchPromise;
+}