diff --git a/index.html b/index.html
index 5a3ef6a..35a1861 100644
--- a/index.html
+++ b/index.html
@@ -5,14 +5,9 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>BAL Server List</title>
 <link rel="icon" href="Logo_nero.ico" type="image/x-icon">
+<script src="qrcode.min.js"></script>
+<script src="purify.min.js"></script>
 <style>
-/* =========================================================
-   BAL Server List — minimal redesign ("Slate")
-   Same backend fields as the original:
-   url, info, base_fee, version, balance, status,
-   last_block, count_win, points (+ chain, id)
-   ========================================================= */
-
 :root{
   --maxw:1120px;
   --radius:10px;
@@ -48,21 +43,15 @@ body{
 }
 .wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
 
-/* ---------- Header / hero ---------- */
 header.hero{padding:48px 0 28px;border-bottom:1px solid var(--line)}
 .hero .wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
 .brand{display:flex;align-items:center;gap:16px}
 .brand .mark{
-  /* Brand mark: light, rounded container that holds the scalable SVG logo.
-     Background is white so the (dark) logo is clearly visible; the SVG uses
-     fill:currentColor, which inherits this color. */
   width:46px;height:46px;border-radius:12px;flex:none;
   display:grid;place-items:center;
   background:#fff;color:var(--ink);
   border:1px solid var(--line-strong);box-shadow:var(--shadow);overflow:hidden;
 }
-/* The inline logo is a vector (SVG) so it stays crisp at ANY size; we only
-   set a display size here and can change it freely without quality loss. */
 .brand .mark .brand-logo{width:34px;height:34px;display:block}
 .brand h1{
   font-family:var(--display);font-weight:600;
@@ -73,7 +62,6 @@ header.hero{padding:48px 0 28px;border-bottom:1px solid var(--line)}
 .stat .n{font-family:var(--display);font-size:26px;font-weight:600;line-height:1}
 .stat .l{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:6px}
 
-/* ---------- Controls ---------- */
 .controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:22px 0 14px}
 .seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:8px;overflow:hidden}
 .seg button{
@@ -103,12 +91,9 @@ header.hero{padding:48px 0 28px;border-bottom:1px solid var(--line)}
 }
 .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
 
-/* ---------- Table ---------- */
 .table-card{
   background:var(--panel);border:1px solid var(--line);
   border-radius:var(--radius);box-shadow:var(--shadow);
-  /* Show roughly 10 rows; once the list is longer the card scrolls
-     vertically instead of growing the page. The header stays pinned. */
   max-height:350px;overflow:auto;
 }
 table{width:100%;border-collapse:collapse;font-size:14px}
@@ -117,7 +102,6 @@ thead th{
   font-size:11px;letter-spacing:.08em;text-transform:uppercase;
   padding:14px 14px;border-bottom:1px solid var(--line-strong);
   white-space:nowrap;
-  /* Keep the column headers visible while the table body scrolls. */
   position:sticky;top:0;background:var(--panel);z-index:2;
 }
 thead th.num,tbody td.num{text-align:right}
@@ -128,11 +112,6 @@ tbody tr:hover{background:color-mix(in srgb,var(--accent-soft) 50%,transparent)}
 .rank.top{color:var(--accent)}
 .url a{color:var(--ink);text-decoration:none;font-weight:600}
 .url a:hover{color:var(--accent);text-decoration:underline}
-.url .tag{
-  display:inline-block;margin-left:8px;font-size:10px;letter-spacing:.08em;
-  text-transform:uppercase;color:var(--muted);border:1px solid var(--line-strong);
-  border-radius:5px;padding:1px 6px;vertical-align:middle;
-}
 .info{color:var(--muted);font-size:13px;max-width:200px}
 .mono{font-family:var(--mono);font-size:13px}
 .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
@@ -145,7 +124,6 @@ tbody tr:hover{background:color-mix(in srgb,var(--accent-soft) 50%,transparent)}
 .status.offline{color:var(--off)}
 .status.offline .dot{background:var(--off);box-shadow:0 0 0 3px var(--off-soft)}
 
-/* ---------- Add server ---------- */
 .add-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin:40px 0;align-items:start}
 .panel{
   background:var(--panel);border:1px solid var(--line);
@@ -168,24 +146,17 @@ tbody tr:hover{background:color-mix(in srgb,var(--accent-soft) 50%,transparent)}
 .note{font-size:13px;color:var(--muted);margin-top:16px;line-height:1.55}
 .note strong{color:var(--ink)}
 
-/* invoice preview */
 .invoice{display:none}
 .invoice.show{display:block}
 .invoice .row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}
 .invoice .row:last-child{border-bottom:0}
 .invoice .row span:first-child{color:var(--muted)}
 .invoice .row span:last-child{font-family:var(--mono);text-align:right;word-break:break-all}
-.qr{margin:18px auto 4px;width:160px;height:160px;display:grid;
-    grid-template-columns:repeat(21,1fr);gap:0;border:1px solid var(--line-strong);
-    border-radius:8px;overflow:hidden;background:#fff}
-.qr i{background:#000}
+#qrcode{margin:18px auto 4px;width:160px;height:160px}
+#qrcode img{width:160px;height:160px}
 .ok-line{color:var(--ok);font-weight:600;font-size:14px;margin-bottom:14px}
+.err-line{color:#d32f2f;font-weight:600;font-size:14px;margin-bottom:14px}
 
-/* ---------- Info section ---------- */
-/* ---------- Intro highlight card ----------
-   Prominent white box that introduces the page, placed above the
-   "Add your Will Executor" section. The accent stripe + larger title
-   give it more visual weight than the surrounding panels. */
 .intro-card{
   background:var(--panel);border:1px solid var(--line);
   border-left:4px solid var(--accent);
@@ -204,16 +175,14 @@ tbody tr:hover{background:color-mix(in srgb,var(--accent-soft) 50%,transparent)}
 .info-block h3{font-size:15px;margin:0 0 8px;letter-spacing:.01em}
 .info-block p{font-size:14px;color:var(--muted);margin:0;line-height:1.6}
 
-/* ---------- Footer ---------- */
 footer{border-top:1px solid var(--line);margin-top:48px;padding:28px 0;color:var(--muted);font-size:13px}
 footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
 footer a{color:var(--accent);text-decoration:none}
 
-/* ---------- Mobile: table → cards ---------- */
 .mobile-list{display:none}
 @media (max-width:860px){
   .table-card{display:none}
-  .mobile-list{display:grid;gap:12px;max-height:640px;overflow:auto;padding-right:2px}
+  .mobile-list{display:grid;gap:12px;max-height:350px;overflow:auto;padding-right:2px}
   .add-grid{grid-template-columns:1fr}
   .info-grid{grid-template-columns:1fr}
   .hero-stats{gap:20px}
@@ -242,9 +211,9 @@ footer a{color:var(--accent);text-decoration:none}
         </div>
       </div>
       <div class="hero-stats">
-        <div class="stat"><div class="n" id="s-online">5</div><div class="l">Online</div></div>
-        <div class="stat"><div class="n" id="s-total">6</div><div class="l">Servers</div></div>
-        <div class="stat"><div class="n">884,201</div><div class="l">Block</div></div>
+        <div class="stat"><div class="n" id="s-online">0</div><div class="l">Online</div></div>
+        <div class="stat"><div class="n" id="s-total">0</div><div class="l">Servers</div></div>
+        <div class="stat"><div class="n" id="s-block">—</div><div class="l">Block</div></div>
       </div>
     </div>
   </header>
@@ -274,7 +243,6 @@ footer a{color:var(--accent);text-decoration:none}
       <a class="btn-ghost" id="download" href="#" download="willexecutors.json">↓ JSON</a>
     </div>
 
-    <!-- Desktop table -->
     <div class="table-card">
       <table id="tbl">
         <thead>
@@ -295,17 +263,13 @@ footer a{color:var(--accent);text-decoration:none}
       </table>
     </div>
 
-    <!-- Mobile list -->
     <div class="mobile-list" id="mlist"></div>
 
-    <!-- Intro highlight: moved here from the bottom of the page and given a
-         prominent white box so it reads as the page's primary description. -->
     <section class="intro-card">
       <h2>Will Executor Server List</h2>
       <p>This page displays all Will Executor servers that manage the inheritance processing for the Bitcoin After Life plugin on Electrum. Will Executors operate in a competitive environment, racing to broadcast inheritance transactions to network nodes and earn the associated transaction fees.</p>
     </section>
 
-    <!-- Add server -->
     <div class="add-grid">
       <div class="panel">
         <h2>Add your Will Executor</h2>
@@ -316,12 +280,13 @@ footer a{color:var(--accent);text-decoration:none}
         </div>
 
         <div class="invoice" id="invoice">
-          <div class="ok-line">✓ Server added. Pay the invoice to complete.</div>
-          <div class="row"><span>Minimum amount</span><span>50,000 sats</span></div>
-          <div class="row"><span>Chain</span><span id="iv-chain">bitcoin</span></div>
-          <div class="row"><span>Address</span><span id="iv-addr">bc1q…demo…address</span></div>
-          <div class="row"><span>Status</span><span>online</span></div>
-          <div class="qr" id="qr" aria-label="Invoice QR (demo)"></div>
+          <div class="ok-line" id="iv-status">✓ Server added. Pay the invoice to complete.</div>
+          <div class="row"><span>Minimum amount</span><span id="iv-min">—</span></div>
+          <div class="row"><span>Chain</span><span id="iv-chain">—</span></div>
+          <div class="row"><span>Address</span><span id="iv-addr">—</span></div>
+          <div class="row"><span>Balance</span><span id="iv-balance">—</span></div>
+          <div class="row"><span>Status</span><span id="iv-status2">—</span></div>
+          <div id="qrcode"></div>
         </div>
 
         <p class="note">
@@ -340,7 +305,6 @@ footer a{color:var(--accent);text-decoration:none}
       </div>
     </div>
 
-    <!-- Info section -->
     <section class="info-section">
       <div class="info-grid">
         <div class="info-block">
@@ -379,115 +343,163 @@ footer a{color:var(--accent);text-decoration:none}
   </footer>
 
 <script>
-/* ---- Sample data (same shape as the real backend) ----
-   12 example servers so the list demonstrates the scroll behaviour:
-   the table/cards show ~10 entries, the rest are reachable by scrolling.
-   Sorted by `points` (the bid score) at render time. */
-const DATA = [
-  {url:"executor.bitcoin-after.life:9137", onion:false, info:"Primary node · EU",     base_fee:1000, version:"1.2.0", balance:520000, status:"online",  last_block:884201, count_win:142, points:120000},
-  {url:"exec.satoshi.eu:9137",             onion:false, info:"Low latency · DE",       base_fee:800,  version:"1.2.0", balance:410000, status:"online",  last_block:884201, count_win:118, points:98000},
-  {url:"node.lastwill.io:9137",            onion:false, info:"High availability",      base_fee:1500, version:"1.2.0", balance:360000, status:"online",  last_block:884201, count_win:96,  points:84000},
-  {url:"exec7g3k…q.onion:9137",            onion:true,  info:"Privacy-first relay",     base_fee:1200, version:"1.2.0", balance:300000, status:"online",  last_block:884200, count_win:88,  points:76000},
-  {url:"heir.btcrelay.net:9137",           onion:false, info:"US-East",                base_fee:900,  version:"1.2.0", balance:240000, status:"online",  last_block:884201, count_win:71,  points:65000},
-  {url:"will.nodeforge.org:9137",          onion:false, info:"Community operated",     base_fee:1100, version:"1.1.9", balance:190000, status:"online",  last_block:884199, count_win:60,  points:58000},
-  {url:"onx4f…z.onion:9137",               onion:true,  info:"Tor only",               base_fee:1100, version:"1.2.0", balance:150000, status:"online",  last_block:884201, count_win:52,  points:52000},
-  {url:"exec.coldkeep.io:9137",            onion:false, info:"Backup executor · APAC", base_fee:1300, version:"1.1.9", balance:120000, status:"online",  last_block:884198, count_win:44,  points:47000},
-  {url:"relay.inheritbtc.net:9137",        onion:false, info:"",                       base_fee:1000, version:"1.2.0", balance:95000,  status:"offline", last_block:884150, count_win:38,  points:39000},
-  {url:"kx9d…w.onion:9137",                onion:true,  info:"Privacy relay · backup", base_fee:1400, version:"1.1.9", balance:70000,  status:"online",  last_block:884197, count_win:29,  points:31000},
-  {url:"node.testator.eu:9137",            onion:false, info:"Low fee",                base_fee:600,  version:"1.2.0", balance:48000,  status:"online",  last_block:884201, count_win:21,  points:22000},
-  {url:"exec.legacychain.io:9137",         onion:false, info:"New operator",           base_fee:1200, version:"1.1.9", balance:25000,  status:"offline", last_block:884120, count_win:9,   points:11000},
-];
-
-const fmt = n => n.toLocaleString('en-US');
+let allServers = [];
 let withTor = true, q = "";
 
-function rows(){
-  return DATA
-    .filter(d => withTor ? true : !d.onion)
-    .filter(d => (d.url+" "+d.info).toLowerCase().includes(q.toLowerCase()))
-    .sort((a,b)=>b.points-a.points);
+const fmt = n => (n != null ? Number(n).toLocaleString('en-US') : '—');
+
+function getChain() {
+  const btn = document.querySelector('#chainSeg [aria-pressed="true"]');
+  return btn ? btn.dataset.c : 'bitcoin';
 }
 
-function render(){
-  const list = rows();
+function getFiltered() {
+  return allServers
+    .filter(d => withTor ? true : !d.onion)
+    .filter(d => (d.url + " " + (d.info||"")).toLowerCase().includes(q.toLowerCase()))
+    .sort((a, b) => (b.points||0) - (a.points||0));
+}
+
+function render() {
+  const list = getFiltered();
   const tb = document.getElementById('tbody');
   const ml = document.getElementById('mlist');
   tb.innerHTML = ""; ml.innerHTML = "";
 
-  if(!list.length){
+  if (!list.length) {
     tb.innerHTML = '<tr><td colspan="10" style="padding:28px;text-align:center;color:var(--muted)">No servers found.</td></tr>';
   }
 
-  list.forEach((d,i)=>{
-    const rank = i+1;
-    const st = d.status==="online"
+  list.forEach((d, i) => {
+    const rank = i + 1;
+    const st = d.status === "online"
       ? '<span class="status online"><span class="dot"></span>Online</span>'
       : '<span class="status offline"><span class="dot"></span>Offline</span>';
-    const tag = d.onion ? '<span class="tag">tor</span>' : '';
+    const weLink = `/weinfo/${d.chain||getChain()}/${d.id}`;
 
     tb.insertAdjacentHTML('beforeend', `
       <tr>
         <td class="num"><span class="rank ${rank<=3?'top':''}">${rank}</span></td>
-        <td class="url"><a href="#">${d.url}</a>${tag}</td>
-        <td class="info">${d.info||'—'}</td>
+        <td class="url"><a href="${weLink}">${DOMPurify.sanitize(d.url)}</a></td>
+        <td class="info">${DOMPurify.sanitize(d.info||'—')}</td>
         <td class="num">${fmt(d.base_fee)}</td>
-        <td class="mono">${d.version}</td>
+        <td class="mono">${DOMPurify.sanitize(d.version||'—')}</td>
         <td class="num">${fmt(d.balance)}</td>
         <td>${st}</td>
         <td class="num">${fmt(d.last_block)}</td>
-        <td class="num">${d.count_win}</td>
+        <td class="num">${d.count_win != null ? d.count_win : '—'}</td>
         <td class="num"><span class="score">${fmt(d.points)}</span></td>
       </tr>`);
 
     ml.insertAdjacentHTML('beforeend', `
       <div class="srv">
         <div class="top">
-          <div><div class="rk">#${rank} ${tag}</div><a href="#" style="color:var(--ink);font-weight:600;text-decoration:none;font-size:14px">${d.url}</a></div>
+          <div><div class="rk">#${rank}</div><a href="${weLink}" style="color:var(--ink);font-weight:600;text-decoration:none;font-size:14px">${DOMPurify.sanitize(d.url)}</a></div>
           ${st}
         </div>
         <div class="grid">
           <div><span>Score</span><b>${fmt(d.points)}</b></div>
-          <div><span>Wins</span><b>${d.count_win}</b></div>
+          <div><span>Wins</span><b>${d.count_win != null ? d.count_win : '—'}</b></div>
           <div><span>Fee</span><b>${fmt(d.base_fee)} sat</b></div>
           <div><span>Balance</span><b>${fmt(d.balance)}</b></div>
-          <div><span>Version</span><b>${d.version}</b></div>
+          <div><span>Version</span><b>${DOMPurify.sanitize(d.version||'—')}</b></div>
           <div><span>Height</span><b>${fmt(d.last_block)}</b></div>
         </div>
       </div>`);
   });
 
-  const online = DATA.filter(d=>d.status==="online").length;
+  const online = allServers.filter(d => d.status === "online").length;
   document.getElementById('s-online').textContent = online;
-  document.getElementById('s-total').textContent = DATA.length;
+  document.getElementById('s-total').textContent = allServers.length;
+  const top = getFiltered()[0];
+  document.getElementById('s-block').textContent = top ? fmt(top.last_block) : '—';
 }
 
-/* demo JSON download */
-(function(){
-  const blob = new Blob([JSON.stringify(DATA,null,2)],{type:'application/json'});
-  document.getElementById('download').href = URL.createObjectURL(blob);
-})();
+async function fetchData() {
+  const chain = getChain();
+  const params = new URLSearchParams({ page: 0, limit: 100 });
+  if (!withTor) params.append("onion", "no");
+  try {
+    const response = await fetch(`/data/${chain}?${params}`);
+    if (!response.ok) throw new Error(`HTTP ${response.status}`);
+    const obj = await response.json();
+    allServers = Object.entries(obj).map(([key, s]) => ({ ...s, id: key }));
+    render();
+  } catch (err) {
+    console.error('Fetch error:', err);
+    allServers = [];
+    render();
+  }
+}
 
-/* controls */
-document.getElementById('onion').addEventListener('change',e=>{withTor=e.target.checked;render();});
-document.getElementById('filter').addEventListener('input',e=>{q=e.target.value;render();});
+document.getElementById('onion').addEventListener('change', e => {
+  withTor = e.target.checked;
+  fetchData();
+});
 
-document.getElementById('chainSeg').addEventListener('click',e=>{
-  const b=e.target.closest('button'); if(!b)return;
-  [...e.currentTarget.children].forEach(x=>x.setAttribute('aria-pressed','false'));
-  b.setAttribute('aria-pressed','true');
+document.getElementById('filter').addEventListener('input', e => {
+  q = e.target.value;
   render();
 });
 
-/* invoice demo + faux QR */
-document.getElementById('submit').addEventListener('click',()=>{
-  document.getElementById('iv-addr').textContent='bc1q'+Math.random().toString(36).slice(2,10)+'demo'+Math.random().toString(36).slice(2,8);
-  const inv=document.getElementById('invoice'); inv.classList.add('show');
-  const qr=document.getElementById('qr'); qr.innerHTML="";
-  for(let i=0;i<441;i++){ if(Math.random()>.52){qr.appendChild(document.createElement('i'));} else {qr.appendChild(document.createElement('em'));} }
-  inv.scrollIntoView({behavior:'smooth',block:'nearest'});
+document.getElementById('chainSeg').addEventListener('click', e => {
+  const b = e.target.closest('button');
+  if (!b) return;
+  [...e.currentTarget.children].forEach(x => x.setAttribute('aria-pressed', 'false'));
+  b.setAttribute('aria-pressed', 'true');
+  fetchData();
 });
 
-render();
+document.getElementById('submit').addEventListener('click', async () => {
+  const urlInput = document.getElementById('url');
+  let url = urlInput.value.trim();
+  if (!url) return;
+  if (!url.startsWith('http://') && !url.startsWith('https://')) {
+    url = 'https://' + url;
+    urlInput.value = url;
+  }
+  const chain = getChain();
+  try {
+    const response = await fetch('/data', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ url, chain })
+    });
+    const result = await response.json();
+    const inv = document.getElementById('invoice');
+    if (!response.ok) {
+      document.getElementById('iv-status').className = 'err-line';
+      document.getElementById('iv-status').textContent = 'Error: ' + (result.message || result.error || JSON.stringify(result));
+      inv.classList.add('show');
+      document.getElementById('qrcode').innerHTML = '';
+      return;
+    }
+    document.getElementById('iv-status').className = 'ok-line';
+    document.getElementById('iv-status').textContent = '✓ Server added. Pay the invoice to complete.';
+    document.getElementById('iv-min').textContent = (result.min_amount || '50,000') + ' sats';
+    document.getElementById('iv-chain').textContent = result.chain || chain;
+    document.getElementById('iv-addr').textContent = result.address || '—';
+    document.getElementById('iv-balance').textContent = result.balance != null ? fmt(result.balance) : '—';
+    document.getElementById('iv-status2').textContent = result.status || '—';
+    const invoiceuri = `bitcoin:${result.address}?label=BAL&message=Order+For+url+%26+${encodeURIComponent(url)}`;
+    const qrEl = document.getElementById('qrcode');
+    qrEl.innerHTML = '';
+    new QRCode(qrEl, invoiceuri);
+    inv.classList.add('show');
+    inv.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
+  } catch (err) {
+    document.getElementById('iv-status').className = 'err-line';
+    document.getElementById('iv-status').textContent = 'Network error. Please try again.';
+    document.getElementById('invoice').classList.add('show');
+    document.getElementById('qrcode').innerHTML = '';
+  }
+});
+
+(function init() {
+  const blob = new Blob([JSON.stringify(allServers, null, 2)], { type: 'application/json' });
+  document.getElementById('download').href = URL.createObjectURL(blob);
+  fetchData();
+})();
 </script>
 </body>
 </html>