// Then
        assertEquals(count, nonceSet.size(), "All generated nonces should be unique");
    }

    @Test
    @DisplayName("Should generate unique nonces in concurrent environment")
    void testConcurrentNonceGeneration() throws InterruptedException {
        // Given
        int threadCount = 10;
        int noncesPerThread = 1000;
        ConcurrentHashMap<String, Integer> nonceMap = new ConcurrentHashMap<>();