Creamy Vegan Corn Chowder

Name: Creamy Vegan Corn Chowder
Ingredients: 2 tablespoons vegan butter; 1 medium onion, (diced); 2 medium carrots, (diced); 2 medium celery stalks, (diced); 3 garlic cloves, (minced); 2 tablespoons all-purpose flour; 4 cups vegetable broth; 1 (14 ounce or 400 ml) can full-fat coconut milk; 5 cups fresh corn kernels ((about 5 to 6 ears of corn)); 1 medium russet potato, (scrubbed and diced); 1 teaspoon dried thyme; 1/4 cup nutritional yeast flakes; 1 tablespoon red wine vinegar; Salt and pepper, (to taste); Chopped fresh chives, (for serving)