diff --git a/app/src/lib/crypto.ts b/app/src/lib/crypto.ts
index f76d508..4e57fbe 100644
--- a/app/src/lib/crypto.ts
+++ b/app/src/lib/crypto.ts
@@ -45,14 +45,14 @@ export async function sign(data: string): Promise<string> {
 }
 
 export async function verify(data: string, signature: string, publicKeyRaw: Uint8Array): Promise<boolean> {
-	try {
-		const key = await crypto.subtle.importKey('raw', publicKeyRaw as unknown as ArrayBuffer, ALGO, false, ['verify']);
-		const sig = base64Decode(signature);
-		const encoded = new TextEncoder().encode(data);
-		return crypto.subtle.verify(ALGO, key, sig as unknown as ArrayBuffer, encoded as unknown as ArrayBuffer);
-	} catch {
-		return false;
-	}
+  try {
+    const key = await crypto.subtle.importKey('raw', publicKeyRaw as BufferSource, ALGO, false, ['verify']);
+    const sig = base64Decode(signature);
+    const encoded = new TextEncoder().encode(data);
+    return crypto.subtle.verify(ALGO, key, sig as BufferSource, encoded as BufferSource);
+  } catch {
+    return false;
+  }
 }
 
 // --- Base58 (Bitcoin-style) ---