diff --git a/package.json b/package.json
index f14220a..bf1f732 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "g1flux",
   "private": true,
-  "version": "1.4.0",
+  "version": "1.4.1",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/src/services/DataService.ts b/src/services/DataService.ts
index 3968270..9d199d0 100644
--- a/src/services/DataService.ts
+++ b/src/services/DataService.ts
@@ -12,7 +12,7 @@
  * Pour activer : définir VITE_USE_LIVE_API=true dans .env.local
  */
 
-import { fetchTransfers, buildIdentityKeyMap, fetchCurrentUD } from './adapters/SubsquidAdapter';
+import { fetchTransfers, buildIdentityKeyMap, fetchCurrentUD, ss58ToDuniterKey } from './adapters/SubsquidAdapter';
 import { resolveGeoByKeys, cleanCityName } from './adapters/CesiumAdapter';
 import {
   getTransactionsForPeriod,
@@ -69,9 +69,14 @@ async function fetchLiveTransactions(periodDays: number): Promise<{
   }
 
   // Clés Duniter uniques des émetteurs ET destinataires (un seul appel Cesium+)
+  // Pour les membres WoT : via keyMap (genesis key = _id Cesium+)
+  // Pour les non-membres : conversion directe SS58 → Duniter key
+  const resolveKey = (ss58: string): string =>
+    keyMap.get(ss58) ?? ss58ToDuniterKey(ss58);
+
   const allDuniterKeys = [...new Set([
-    ...rawTransfers.map((t) => keyMap.get(t.fromId)),
-    ...rawTransfers.map((t) => keyMap.get(t.toId)),
+    ...rawTransfers.map((t) => t.fromId ? resolveKey(t.fromId) : undefined),
+    ...rawTransfers.map((t) => t.toId   ? resolveKey(t.toId)   : undefined),
   ].filter(Boolean) as string[])];
 
   // Résolution géo par clé Duniter (_id Cesium+)
@@ -89,7 +94,7 @@ async function fetchLiveTransactions(periodDays: number): Promise<{
   const arcs:       TransactionArc[] = [];
 
   for (const t of rawTransfers) {
-    const fromDuniterKey = keyMap.get(t.fromId);
+    const fromDuniterKey = t.fromId ? resolveKey(t.fromId) : undefined;
     if (!fromDuniterKey) continue;
     const fromGeo = geoMap.get(fromDuniterKey);
     if (!fromGeo) continue;
@@ -110,7 +115,7 @@ async function fetchLiveTransactions(periodDays: number): Promise<{
     });
 
     // Arc : les deux extrémités géolocalisées + villes différentes
-    const toDuniterKey = keyMap.get(t.toId);
+    const toDuniterKey = t.toId ? resolveKey(t.toId) : undefined;
     if (!toDuniterKey) continue;
     const toGeo = geoMap.get(toDuniterKey);
     if (!toGeo) continue;