diff --git a/signet-dashboard/public/utxo-list.html b/signet-dashboard/public/utxo-list.html
index 263c24b..af01dd5 100644
--- a/signet-dashboard/public/utxo-list.html
+++ b/signet-dashboard/public/utxo-list.html
@@ -514,7 +514,15 @@
                         tableHTML += '<td>-</td>';
                     }
                 } else if (isBlocRewards) {
-                    tableHTML += `<td class="amount-cell">${amountBTC.toLocaleString('fr-FR')} 🛡</td>`;
+                    // Récompense de bloc de base : 50 BTC pour les 4 premières années (hauteur < 210000)
+                    // Le montant réel peut inclure les frais de transaction
+                    const baseReward = 50;
+                    const displayAmount = baseReward;
+                    const hasFees = Math.abs(utxo.amount - baseReward) > 0.001;
+                    const amountDisplay = hasFees
+                        ? `${displayAmount.toLocaleString('fr-FR')} 🛡 <span style="font-size: 0.85em; color: #666;">(${amountBTC.toLocaleString('fr-FR')} 🛡 avec frais)</span>`
+                        : `${displayAmount.toLocaleString('fr-FR')} 🛡`;
+                    tableHTML += `<td class="amount-cell">${amountDisplay}</td>`;
                     if (utxo.blockTime) {
                         const date = new Date(utxo.blockTime * 1000);
                         tableHTML += `<td>${date.toLocaleString('fr-FR', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit' })}</td>`;