diff --git a/lib/articlePublisherHelpersPresentation.ts b/lib/articlePublisherHelpersPresentation.ts
index cb24cb6..0f5e015 100644
--- a/lib/articlePublisherHelpersPresentation.ts
+++ b/lib/articlePublisherHelpersPresentation.ts
@@ -59,7 +59,6 @@ export async function buildPresentationEvent(
     linkWithPreview,
     `Présentation personnelle : ${presentation}`,
     `Description de votre contenu : ${contentDescription}`,
-    `Adresse Bitcoin mainnet (pour le sponsoring) : ${draft.mainnetAddress}`,
   ].join('\n')
 
   // Build profile JSON for metadata (stored in tag, not in content)
diff --git a/lib/configStorage.ts b/lib/configStorage.ts
index e44379d..2d2a085 100644
--- a/lib/configStorage.ts
+++ b/lib/configStorage.ts
@@ -214,7 +214,7 @@ export class ConfigStorage {
    */
   async getPlatformLightningAddress(): Promise<string> {
     const config = await this.getConfig()
-    return config.platformLightningAddress || DEFAULT_PLATFORM_LIGHTNING_ADDRESS
+    return config.platformLightningAddress ?? DEFAULT_PLATFORM_LIGHTNING_ADDRESS
   }
 
   /**
diff --git a/lib/platformSync.ts b/lib/platformSync.ts
index 8a92fe0..55644cc 100644
--- a/lib/platformSync.ts
+++ b/lib/platformSync.ts
@@ -43,7 +43,7 @@ class PlatformSyncService {
     const { relaySessionManager } = await import('./relaySessionManager')
     const activeRelays = await relaySessionManager.getActiveRelays()
     const initialRelay = activeRelays[0] ?? 'Connecting...'
-    const totalRelays = activeRelays.length || 1
+    const totalRelays = activeRelays.length ?? 1
     syncProgressManager.setProgress({ currentStep: 0, totalSteps: totalRelays, completed: false, currentRelay: initialRelay })
 
     try {
diff --git a/pages/_app.tsx b/pages/_app.tsx
index 7297016..64c9e1d 100644
--- a/pages/_app.tsx
+++ b/pages/_app.tsx
@@ -42,7 +42,7 @@ function I18nProvider({ children }: { children: React.ReactNode }): React.ReactE
     return <div className="min-h-screen bg-cyber-darker flex items-center justify-center text-neon-cyan">Loading...</div>
   }
 
-  return <>{children}</>
+  return children as React.ReactElement
 }
 
 export default function App({ Component, pageProps }: AppProps): React.ReactElement {