diff --git a/databases/view_db.py b/databases/view_db.py
index 97d47f6..3670d5a 100755
--- a/databases/view_db.py
+++ b/databases/view_db.py
@@ -75,6 +75,20 @@ class P2PKDatabaseViewer:
             stats['unspent_value_btc'] = unspent_sat / 100000000.0
             stats['unspent_value_sat'] = int(unspent_sat)
 
+            # Conta chiavi compresse vs non compresse
+            cursor.execute('SELECT scriptpubkey FROM p2pk_addresses')
+            all_scripts = cursor.fetchall()
+            compressed_count = 0
+            uncompressed_count = 0
+            for (script,) in all_scripts:
+                if script and script.startswith('41') and len(script) == 134:
+                    uncompressed_count += 1
+                elif script and script.startswith('21') and len(script) == 70:
+                    compressed_count += 1
+
+            stats['compressed_count'] = compressed_count
+            stats['uncompressed_count'] = uncompressed_count
+
         except Exception as e:
             print(f"⚠️  Errore nel calcolo statistiche: {e}")
             import traceback
@@ -91,7 +105,9 @@ class P2PKDatabaseViewer:
                 'unique_txs': 0,
                 'unspent_count': 0,
                 'unspent_value_btc': 0.0,
-                'unspent_value_sat': 0
+                'unspent_value_sat': 0,
+                'compressed_count': 0,
+                'uncompressed_count': 0
             }
 
         conn.close()
@@ -140,7 +156,8 @@ class P2PKDatabaseViewer:
 
         rows_html = []
         for row in p2pk_data:
-            pubkey = self.extract_pubkey_from_script(row[4])
+            scriptpubkey = row[4]
+            pubkey = self.extract_pubkey_from_script(scriptpubkey)
             txid_short = row[2][:16] if len(row[2]) > 16 else row[2]
             timestamp_str = datetime.fromtimestamp(row[6]).strftime('%Y-%m-%d %H:%M') if row[6] else 'N/A'
             # row[5] è già in satoshi, lo convertiamo in BTC dividendo per 100000000
@@ -152,8 +169,19 @@ class P2PKDatabaseViewer:
             utxo_status = '🟢 NON SPESO' if is_unspent else '🔴 SPESO'
             utxo_class = 'unspent' if is_unspent else 'spent'
 
+            # Determina se la chiave è compressa o non compressa
+            if scriptpubkey and scriptpubkey.startswith('41') and len(scriptpubkey) == 134:
+                key_type = 'uncompressed'
+                key_type_badge = '<span class="key-type-badge uncompressed">📜 Non Compressa (65 bytes)</span>'
+            elif scriptpubkey and scriptpubkey.startswith('21') and len(scriptpubkey) == 70:
+                key_type = 'compressed'
+                key_type_badge = '<span class="key-type-badge compressed">📦 Compressa (33 bytes)</span>'
+            else:
+                key_type = 'unknown'
+                key_type_badge = '<span class="key-type-badge unknown">❓ Sconosciuta</span>'
+
             row_html = f'''
-                    <tr class="{utxo_class}">
+                    <tr class="{utxo_class} {key_type}">
                         <td>{row[0]}</td>
                         <td><span class="block">{row[1]}</span></td>
                         <td>
@@ -163,7 +191,8 @@ class P2PKDatabaseViewer:
                         <td>{row[3]}</td>
                         <td>
                             <div class="pubkey">
-                                {pubkey}
+                                {key_type_badge}
+                                <div style="margin-top: 5px;">{pubkey}</div>
                                 <button class="copy-btn" onclick="copyToClipboard('{pubkey}')">📋</button>
                             </div>
                         </td>
@@ -462,6 +491,33 @@ class P2PKDatabaseViewer:
         tr.spent {{
             opacity: 0.7;
         }}
+
+        .key-type-badge {{
+            padding: 4px 10px;
+            border-radius: 15px;
+            font-size: 0.8em;
+            font-weight: bold;
+            display: inline-block;
+            margin-bottom: 5px;
+        }}
+
+        .key-type-badge.uncompressed {{
+            background: #cfe2ff;
+            color: #084298;
+            border: 1px solid #9ec5fe;
+        }}
+
+        .key-type-badge.compressed {{
+            background: #d1e7dd;
+            color: #0a3622;
+            border: 1px solid #a3cfbb;
+        }}
+
+        .key-type-badge.unknown {{
+            background: #f8d7da;
+            color: #58151c;
+            border: 1px solid #f1aeb5;
+        }}
     </style>
 </head>
 <body>
@@ -505,6 +561,14 @@ class P2PKDatabaseViewer:
                 <div class="label" style="color: #0c5460;">💎 Valore Non Speso</div>
                 <div class="value" style="color: #0c5460;">{stats['unspent_value_btc']:.8f} BTC</div>
             </div>
+            <div class="stat-card" style="background: #cfe2ff;">
+                <div class="label" style="color: #084298;">📜 Chiavi Non Compresse</div>
+                <div class="value" style="color: #084298;">{stats['uncompressed_count']:,}</div>
+            </div>
+            <div class="stat-card" style="background: #d1e7dd;">
+                <div class="label" style="color: #0a3622;">📦 Chiavi Compresse</div>
+                <div class="value" style="color: #0a3622;">{stats['compressed_count']:,}</div>
+            </div>
         </div>
 
         <div class="content">
@@ -518,6 +582,12 @@ class P2PKDatabaseViewer:
                 <button class="filter-btn spent-filter" onclick="filterByStatus('spent')">🔴 Solo Spesi</button>
             </div>
 
+            <div class="filter-buttons" style="margin-top: 10px;">
+                <button class="filter-btn" onclick="filterByKeyType('all-keys')">🔑 Tutti i Tipi</button>
+                <button class="filter-btn" onclick="filterByKeyType('uncompressed')">📜 Solo Non Compresse</button>
+                <button class="filter-btn" onclick="filterByKeyType('compressed')">📦 Solo Compresse</button>
+            </div>
+
             {self._generate_table_html(p2pk_data)}
         </div>
 
@@ -581,6 +651,32 @@ class P2PKDatabaseViewer:
                 }}
             }}
         }}
+
+        function filterByKeyType(keyType) {{
+            const table = document.getElementById('dataTable');
+            if (!table) return;
+
+            const tr = table.getElementsByTagName('tr');
+
+            // Aggiorna stato pulsanti del gruppo key-type
+            event.target.parentElement.querySelectorAll('.filter-btn').forEach(btn => {{
+                btn.classList.remove('active');
+            }});
+            event.target.classList.add('active');
+
+            // Filtra righe in base al tipo di chiave
+            for (let i = 1; i < tr.length; i++) {{
+                const row = tr[i];
+
+                if (keyType === 'all-keys') {{
+                    row.style.display = '';
+                }} else if (keyType === 'uncompressed') {{
+                    row.style.display = row.classList.contains('uncompressed') ? '' : 'none';
+                }} else if (keyType === 'compressed') {{
+                    row.style.display = row.classList.contains('compressed') ? '' : 'none';
+                }}
+            }}
+        }}
     </script>
 </body>
 </html>